U.s. Federal Government
Barack Obama
This account is run by #Obama2012 campaign staff. Tweets from the President are signed -bo.15,951,742 followers | Follow
The White House
Official WH twitter account. Comments & messages received through official WH pages are subject to the PRA and may be archived. Learn more http://wh.gov/privacy2,891,333 followers | Follow
CDC Emergency
CDC Emergency Preparedness and Response: increasing the nation's ability to prepare for and respond to public health emergencies.1,344,836 followers | Follow
Smithsonian
We're not a museum. We're 19 of them! Plus 9 research centers & the National Zoo. Follow your favorites669,125 followers | Follow
NASA en español
624,704 followers | Follow
The Justice Dept
Official DOJ Twitter account. DOJ does not collect comments or messages through this account. Learn more at justice.gov/privacy-file.htm470,136 followers | Follow
Peace Corps
Welcome to the official Peace Corps Twitter! Life is calling. How far will you go? Tweets by Amber, follows & RTs are not endorsements, thanks for following us!456,604 followers | Follow
Open Government
Official Twitter account of the White House Open Government Initiative456,130 followers | Follow
womenshealth.gov
The Office on Women's Health is part of the U.S. Dept. of Health and Human Services. (Note: following/being followed neither implies nor equals endorsement.)424,210 followers | Follow
Library of Congress
We are the largest library in the world, with millions of books, recordings, photographs, maps and manuscripts in our collections.377,901 followers | Follow
FBI PressOffice
FBI Special Agent--If you have a crime tip, please point your browser here: https://tips.fbi.gov /353,100 followers | Follow
USDA Food Safety
Food Safety and Inspection Service educates consumers about the importance of safe food handling and reducing the risk of foodborne illness292,309 followers | Follow
girlshealth.gov
U.S. DHHS Office on Women's Health website for girls ages 10 - 16. We have resources for parents and teachers too!279,695 followers | Follow
CDC_eHealth
CDC social media, including: videos, eCards, widgets, Twitter chats. Comments received are subject to PRA & may be archived http://go.usa.gov/8Ea.237,257 followers | Follow
Jose Hernandez
Retired NASA Astronaut and native of Stockton. Running for U.S. Congress in California's 10th District. Devoted husband, loving father, and a proud Democrat.233,417 followers | Follow
NIH for Health
NIH…Turning Discovery into Health. Read our Privacy Policy: http://www.nih.gov/about/privacypolicy_parttwo.htm228,571 followers | Follow
Travel - State Dept
Official Twitter for U.S. Department of State Bureau of Consular Affairs: protecting lives and interests of U.S. citizens overseas. Currently on Duty: Corina226,376 followers | Follow
Mental Health NIMH
National Institute of Mental Health is largest scientific organization in world dedicated to mental health research. Privacy Policies: http://1.usa.gov/jfL9Qn218,567 followers | Follow
NASAHurricane
NASA's Hurricane Web Page is one of the ONLY resources that provides data on ALL tropical cyclones around the world in one place!211,492 followers | Follow
healthfinder.gov
Your Source for Reliable Prevention and Wellness Information. Note: Followers' tweets do not necessarily represent the views of healthfinder.gov.164,036 followers | Follow
Safe Healthy Workers
Providing global leadership in worker health and safety for 40 years, The National Institute for Occupational Safety and Health is part of CDC.gov and HHS.gov156,925 followers | Follow
Spirit and Oppy
Roaming the Red Planet on six wheels since Jan 2004. The official mission Twitter of the Spirit and Opportunity rovers.152,637 followers | Follow
US Dept of Education
News and information from the U.S Department of Education.116,739 followers | Follow
GobiernoUSA.gov
Síguenos para mantenerte al tanto de las últimas noticias e información oficial del Gobierno de los EE.UU. en español.115,201 followers | Follow
Curiosity Rover
NASA's next mission to Mars. I'm currently en route to the Red Planet. Arrival anticipated Aug. 5, 2012.101,101 followers | Follow
Pacific Islands NPS
Experience YOUR National Parks every day! Aloha, Talofa, & Hafa Adai! (Note: Following, Mentions, etc do not necessarily = endorsement)98,186 followers | Follow
U.S. Dept of Defense
Official U.S. Department of Defense Twitter: news, images & video about our Total Force serving around the world. (replying/following does not = endorsement)87,633 followers | Follow
Dept. of Agriculture
Stay up to date with the latest news, events and info from the U.S. Department of Agriculture - and live tweeting, too!75,723 followers | Follow
Office of VP Biden
Official OVP twitter account. Comments&messages received through official WH pages are subject to the PRA and may be archived. Learn more http://wh.gov/privacy69,685 followers | Follow
Johnson Space Center
NASA's JSC is the lead center for the International Space Station and the Orion spacecraft, and the home of the Mission Control Center and NASA astronaut corps.65,319 followers | Follow
FDA Drug Information
Receive the latest drug information from the US FDA. Contact us at 1.888.463.6332 or druginfo@fda.hhs.gov. Privacy Policy - http://www.fda.gov/privacy.59,915 followers | Follow
Energy Department
Building the new clean energy economy. Reducing nuclear dangers & environmental risks. Expanding the frontiers of knowledge via innovative scientific research.56,348 followers | Follow
Voice of America
VOA News: a trusted source for news and information from the U.S. and around the world47,123 followers | Follow
U.S. Embassy Jakarta
Follow us! The official Twitter of U.S. Embassy in Jakarta. Every day, 7 a.m. to 11 p.m.46,458 followers | Follow
ChuckGrassley
U.S. Senator born, raised and still living in New Hartford, IA.http://facebook.com/grassleyhttp://www.youtube.com/SenChuckGrassley44,613 followers | Follow
NOAA's Ocean Service
NOAA's National Ocean Service is the nation's premier federal science agency for oceans and coasts.43,931 followers | Follow
Veterans Affairs
Official Twitter page of the U.S. Department of Veterans Affairs. Tweets by Iraq Vet Alex Horton. Following a Twitter user does not signify VA endorsement.42,145 followers | Follow
U.S. Embassy Bangkok
Embassy of the United States of America, Bangkok Thailand - สถานทูตสหรัฐอเมริกา ประจำประเทศไทย41,595 followers | Follow
US Dept. of Labor
Jobs, employment, workforce, safety, labor, government 2.0 issues and regulations news and information from the US Department of Labor40,339 followers | Follow
Sen. Tom Coburn M.D.
Senator from Oklahoma, fighting against wasteful Washington spending40,104 followers | Follow
Scott P. Brown
Serving the great people of Massachusetts in the United States Senate, I'd love to update you via SMS, text BROWN to 68398 to stay connected.39,282 followers | Follow
U.S. Secret Service
The U.S. Secret Service is mandated by Congress to carry out two significant objectives: protection and investigations.38,172 followers | Follow
Treasury Department
Official Treasury Department account. For information about Treasury's Privacy Policy, please visit http://www.treasury.gov/SitePolicies/Pages/privacy.aspx.37,959 followers | Follow
Disability.gov
Disability.gov is the federal government website for comprehensive information on disability programs and services in communities nationwide.35,197 followers | Follow
amhistorymuseum
Real Stories. Real Stuff. At the National Museum of American History. Read our blog: http://blog.americanhistory.si.edu34,584 followers | Follow
Ray LaHood
The official Twitter page of the US Secretary of Transportation33,916 followers | Follow
MedlinePlus.gov
Latest news & info on health & medicine. Tweets are not medical advice. Maintained by the National Library of Medicine. Privacy Policy: http://1.usa.gov/wNSCpz33,874 followers | Follow
Lisa P. Jackson, EPA
Administrator of the U.S. Environmental Protection Agency32,412 followers | Follow
Communications, OECD
Organisation for Economic Co-operation and Development: Better policies for better lives31,622 followers | Follow
Scott Kelly
31,465 followers | Follow
US Embassy Bogota
Perfil oficial de la Embajada de Estados Unidos en Bogotá, Colombia.30,125 followers | Follow
Greenversations
The official blog of the U.S. Environmental Protection Agency28,868 followers | Follow
National Zoo
The Smithsonian's National Zoo demonstrates leadership in animal care, science, education, and sustainability.27,742 followers | Follow
US Dept of Interior
Protecting America’s Great Outdoors and Powering Our Future27,537 followers | Follow
SEC Investor Ed
United States Securities and Exchange Commission's Office of Investor Education and Advocacy27,411 followers | Follow
ChooseMyPlate.gov
#MyPlate is a quick, simple reminder to help people think about food choices to lead healthier lifestyles.27,309 followers | Follow
SmithsonianAirSpace
The Smithsonian National Air and Space Museum maintains the largest collection of historic air & space objects in the world.26,224 followers | Follow
USCG (Official)
Official USCG Twitter account. This is NOT an emergency communication channel. If you are in distress, use VHF Ch. 16 or dial 911.25,158 followers | Follow
LawLibraryofCongress
News and information from the Law Library of Congress in Washington, DC25,110 followers | Follow
U.S. Census Bureau
Your trusted source for quality statistics about our people, places and our economy.23,861 followers | Follow
Food Safety Info Ctr
As part of the USDA National Agricultural Library, FSIC provides food safety information to educators, industry, researchers and the general public.23,673 followers | Follow
TSA Blog Team
This is where you can get quick notes and updates concerning the TSA Blog.23,163 followers | Follow
Earth Observatory
NASA images, stories, and discoveries about climate and the environment.22,560 followers | Follow
americanart
The Smithsonian American Art Museum’s collection is an unparalleled record of the American experience from the colonial period to today.22,460 followers | Follow
Amb Gary Locke
U.S. Ambassador to China, Former Secretary of Commerce, Former Governor of Washington21,900 followers | Follow
USDA Forest Service
The Forest Service manages public lands in national forests and grasslands, which encompass 193 million acres.21,164 followers | Follow
Embaixada EUA Brasil
A Embaixada dos EUA em Brasília trabalha com o governo e a sociedade civil do Brasil para fortalecer os laços entre nossos países.21,092 followers | Follow
US EPA News
Automated news releases from the US Environmental Protection Agency. Note: Twitterfeed sometimes breaks, so pls let @levyj413 know.20,694 followers | Follow
Recovery.Gov
A link to a non-federal site does not constitute an endorsement, and we cannot attest to the accuracy of the information presented on any non-federal site.19,979 followers | Follow
NOAA Ocean Explorer
NOAA Ocean Explorer is an educational Internet offering for all who wish to learn about, discover, and virtually explore the ocean realm.19,877 followers | Follow
Col. Tim Kopra
U.S. Army Astronaut, International Space Station Expedition 20 (STS-127). Ask me what it’s like to be Army Strong from the Space Station at goarmy.com/space.19,871 followers | Follow
US Fish and Wildlife
Pacific Region, US Fish and Wildlife Service includes ID, OR, WA, HI & other Pacific Islands. Accessibility-- go to http://www.fws.gov/pacific/section508/19,337 followers | Follow
US EPA Research
Office of Research & Development (ORD) is the scientific research arm of the US EPA.18,912 followers | Follow
U.S. Commerce Dept.
The official twitter account of the U.S. Department of Commerce.18,598 followers | Follow
foodsafety.gov
News, tips, and recalls from foodsafety.gov, the US government’s one-stop-shop for food safety information. Our follows are not endorsements of contents/authors18,328 followers | Follow
La Casa Blanca
Cuenta oficial de la Casa Blanca. Comentarios recibidos a través de esta página están sujetos a la Ley de Archivos Presidenciales. Vea http://wh.gov/privacidad/18,214 followers | Follow
Hilda L. Solis
Follow the Official Twitter of Hilda L. Solis, 25th U.S. Secretary of Labor18,033 followers | Follow
BusinessUSA
This is the official account of BusinessUSA - a federal govt initiative for smallbiz & exporters.17,702 followers | Follow
United We Serve
Answer President Obama's call to service. | Official United We Serve twitter account, administered by the Corporation for National & Community Service.17,478 followers | Follow
Nat'l Endow f/t Arts
The National Endowment for the Arts is an independent federal agency dedicated to supporting excellence in the arts.17,446 followers | Follow
U.S. EPA Water
The Environmental Protection Agency's Office of Water- working for clean water for all Americans16,861 followers | Follow
USDA Team Nutrition
Team Nutrition is an initiative of the USDA Food and Nutrition Service to support the Child Nutrition Programs16,728 followers | Follow
AmeriCorps
AmeriCorps: an opportunity to make a big difference in your life and in the lives of those around you.16,606 followers | Follow
ConsumerFinance.gov
The Consumer Financial Protection Bureau. Making markets for consumer financial products and services work for Americans, in 140 characters or less.15,473 followers | Follow
Argonne National Lab
As a @ENERGY lab, Argonne delivers science and tech solutions to energy, environment and security challenges. Tweeting for Argonne is web-editor @SoosheBot.15,307 followers | Follow
National Cancer Inst
This feed aggregates official NCI Twitter profiles and other NCI content. This account does not collect comments/messages. Privacy: http://1.usa.gov/oW1EVW15,249 followers | Follow
Portrait Gallery
The Smithsonian's National Portrait Gallery tells the story of America through the individuals who have shaped U.S. culture, one portrait at a time.14,898 followers | Follow
National Archives
The National Archives preserves and makes accessible the more than 9 billion permanently valuable records of the Federal govt14,790 followers | Follow
David Vitter
U.S. Senator for the State of Louisiana http://tinyurl.com/SB44DV info@davidvitter.com14,668 followers | Follow
Nutrition Gov
We provide easy, online access to government information on food and human nutrition.14,370 followers | Follow
U.S. Embassy London
Embassy of the United States of America, London, Official Twitter account.14,347 followers | Follow
FDA/CDRH Industry
Official info for Medical Devices & Radiation-emitting Products industry. Privacy policy www.fda.gov/privacy Contact us dsmica@fda.hhs.gov or 800-638-204114,017 followers | Follow
Veterans Health
Health benefits information from the Veterans Health Administration, US Department of Veterans Affairs. Following does not = endorsement: http://go.usa.gov/y7l13,961 followers | Follow
ExchangesConnect
ExchangesConnect is the online community of the Bureau of Educational and Cultural Affairs (http://exchanges.state.gov), U.S. Dept. of State. Tweets by Melissa.13,474 followers | Follow
NIH Library
This is the official Twitter account for the NIH Library. We tweet about the library, about our products and services, and the groups we support.13,265 followers | Follow
Massie Ritsch
Official feed of External Affairs & Outreach/US Dept. of Education. Connecting ED to education stakeholders. RTs/follows do not imply endorsement/agreement.12,829 followers | Follow
US Fish and Wildlife
The U.S. Fish and Wildlife Service (USFWS) is dedicated to the conservation, protection and enhancement of fish, wildlife and plants, and their habitats.12,827 followers | Follow
US EPA Web
Some recent additions to epa.gov, the official site of the U.S. Environmental Protection Agency; not all are captured.12,606 followers | Follow
Fermilab Today
Fermilab's mission is to advance the understanding of the fundamental nature of matter and energy.12,418 followers | Follow
AmericanIndianMuseum
The Smithsonian's National Museum of the American Indian is committed to advancing knowledge and understanding of the Native cultures of the Western Hemisphere.11,872 followers | Follow
Natl Diabetes Ed
The National Diabetes Education Program is a partnership of NIH & CDC. Read our Privacy Statement: http://go.usa.gov/E0J11,563 followers | Follow
NIAID News
National Institute of Allergy and Infectious Diseases (NIAID), NIH. Following and followers does not equal endorsement. Privacy policy http://go.usa.gov/UTT11,540 followers | Follow
Benefits.gov
Visit Benefits.gov to access over 1,000 benefit and assistance programs. Take advantage of Benefits.gov to find government benefits that are right for you!11,481 followers | Follow
USDA People's Garden
Stay connected with USDA's People's Garden, the nation’s demonstration plot. Get the latest real-time “tweets” on events, workshops, plantings and harvests.11,457 followers | Follow
Sen. Lisa Murkowski
Official Twitter account for U.S. Senator Lisa Murkowski. Follow me for news and updates on what's happening in the Senate and across Alaska.11,417 followers | Follow
NCI Prevention
News and information from the National Cancer Institute's Division of Cancer Prevention. Privacy Policy: http://go.usa.gov/K3x11,110 followers | Follow
NIH_for_Funding NIH
The NIH supports research by funding efforts that advance our understanding of living systems while seeking to reduce the burden of illness and disability.10,761 followers | Follow
Fulbright Programs
Sponsored by U.S. Dept of State, provides funding for students, scholars, artists, teachers, and professionals for grad study, research, and teaching (K-univ).10,622 followers | Follow
U.S. Embassy Kabul
10,588 followers | Follow
U.S. Drug Policy
Restoring balance to U.S. drug control efforts through a public health & safety approach. Comments & messages received are subject to the FRA & may be archived.10,473 followers | Follow
DOS Careers
U.S. Department of State worldwide & domestic careers. Formulate & implement U.S. foreign policy and contribute to improving our global society.10,448 followers | Follow
NCI News&PubAffairs
National Cancer Institute News & Public Affiairs supports journalists, health/science writers & our partners reporting on cancer research (http://j.mp/NCIpriv)10,171 followers | Follow
US Embassy Canada
The Official U.S. Embassy in Ottawa, Canada Twitter site. What's your link to the US? We look forward to hearing from you! #Link2US | http://go.usa.gov/Drc10,154 followers | Follow
Federal Ed Resources
FREE makes it easier to find over 2,000 federally supported teaching and learning resources from the federal government. New sites are added regularly.9,824 followers | Follow
CDC Hepatitis
The official Twitter account of CDC’s Division of Viral Hepatitis and a leading source of credible news & updates on viral hepatitis prevention & control.9,780 followers | Follow
U.S. HSF Committee
The Committee will conduct an independent review of ongoing U.S. human space flight plans and programs, as well as alternatives.9,501 followers | Follow
BerkeleyLab
Lawrence Berkeley National Lab is an @ENERGY national lab. Tweets by Berkeley Lab's Public Affairs Department.9,265 followers | Follow
Federal Transit Admn
Online updates from the Federal Transit Administration9,259 followers | Follow
Farm Service Agency
The Farm Service Agency (FSA) administers and manages farm commodity, credit, conservation, disaster and loan programs.9,169 followers | Follow
Sanctuaries (NOAA)
Today’s National Marine Sanctuary System is a network of special places preserving and protecting our ocean and great lakes.9,050 followers | Follow
Roberta Jacobson
Updates from WHA Assistant Secretary of State Roberta Jacobson8,933 followers | Follow
Communications
Federal Govt's lead agency for scientific research on complementary approaches at the National Institutes of Health. Privacy policies: http://1.usa.gov/cRtNyr8,916 followers | Follow
Pedro Pierluisi
I take my responsibility of serving the 4 million U.S. citizens of Puerto Rico very seriously and I represent them in Congress with pride.8,899 followers | Follow
NIH Human Resources
Office of Human Resources at the National Institutes of Health8,712 followers | Follow
Senior Corps
Senior Corps helps today’s over 55s to contribute their job skills and expertise to community projects and organizations.8,471 followers | Follow
Veterans Benefits
Official Twitter page for the Benefits Administration of the U.S. Department of Veterans Affairs. Following a Twitter user does not signify endorsement.8,124 followers | Follow
ChildPassengerSafety
A NHTSA study found 3 out of 4 kids aren't as secure in the car as they should be because car seats aren't used correctly http://fb.me/childpassengersafety7,987 followers | Follow
Citizen Corps
Citizen Corps is FEMA's grassroots strategy to bring together gov't and community leaders to involve citizens in all-hazards preparedness and response.7,787 followers | Follow
Wicker for Senate
Life-long Mississipian, currently serving in the United States Senate.7,421 followers | Follow
Rep. Erik Paulsen
Proudly serving the people of Minnesota's Third Congressional District7,278 followers | Follow
Smithsonian CivilWar
Explore the 150th anniversary of the American Civil War through the collections, programs, and events of the Smithsonian Institution. http://civilwarstudies.org7,222 followers | Follow
NOAA Satellites
NOAA Satellite and Information Service - The Office of Satellite and Product Operations highlights satellite imagery, hazard products, direct services, etc.7,051 followers | Follow
US Fish and Wildlife
I'm Jennifer and I tweet for USFWS in the southeast, covering states AL, AR, FL, GA, KY, LA, MS, NC, SC, TN, and the Caribbean. @ me wildlife news or Qs!6,953 followers | Follow
BirdFluGov
This is an archive account. Please follow @FluGov for the latest H1N1 flu information.6,855 followers | Follow
USDA APHIS
USDA's Animal and Plant Health Inspection Service (APHIS) protects American agriculture by helping ensure the health of animals and plants.6,526 followers | Follow
Daniel Inouye
United States Senator (D-Hawaii), most senior member of the U.S. Senate, Chairman, Senate Committee on Appropriations and Senate President Pro-Tempore.6,481 followers | Follow
USGS Energy Program
Providing un-biased assessments of energy resources (coal, oil, natural gas, geothermal) based on the latest in geologic science (human)6,384 followers | Follow
USDA Ag Mktg Service
Administers programs to support efficient and fair marketing of U.S. agricultural products, including food, fiber, and specialty crops.6,298 followers | Follow
DHS Lessons Learned
Lessons Learned Information Sharing is DHS's online network of emerg responders and lessons learned6,232 followers | Follow
Freer and Sackler
The Smithsonian's National Museums of Asian Art located on the National Mall in Washington DC. Discover ancient relics and modern artworks of Asia.6,212 followers | Follow
The Resource Center
National Service Resources and Training. Tweets by @lnorvig6,208 followers | Follow
U.S. Embassy Seoul
Welcome to the official Twitter account of the U.S. Embassy Seoul!6,105 followers | Follow
Lina Younes, EPA
USEPA Multilingual Outreach and Communications Liaison Environmentalist, social media enthusiast, polyglot6,094 followers | Follow
FDA Food Recalls
5,980 followers | Follow
US Embassy Budapest
Welcome to the official twitter page of the U.S. Embassy in Budapest, Hungary. Udvozoljuk!5,715 followers | Follow
US Embassy Brussels
Embassy of the United States of America, Brussels, Belgium5,696 followers | Follow
Denali National Park
Home of Mount McKinley, the tallest peak in North America, Denali was the first national park established to conserve wildlife in 1917.5,621 followers | Follow
Breathe Better
An awareness campaign for those at risk for and living with COPD by the National Heart, Lung, and Blood Institute. http://www.nhlbi.nih.gov/about/privacy.htm5,585 followers | Follow
U.S. Dept of Ed FBNP
A Center of the White House Office of Faith-Based & Neighborhood Partnerships/US Dept of Ed. RTs/follows do not imply endorsement/agreement.5,565 followers | Follow
USGS Earthquake SoCa
A Twitter feed of the USGS Earthquake Notification Service for all quakes over 2.5 in Southern California5,469 followers | Follow
US Embassy San Jose
Embajada de Estados Unidos en Costa Rica, Embajada Americana, United States Embassy in San Jose, Costa Rica, American Embassy5,354 followers | Follow
USAID Haiti
Updates from the U.S. Agency for International Development's Mission in Haiti. Visit haiti.usaid.gov for more information on our work. RT is not endorsement.5,289 followers | Follow
Embajada EU en Mex
5,212 followers | Follow
Statue of Liberty
Official Twitter source for the Statue of Liberty part of the National Parks of New York Harbor.5,114 followers | Follow
Alaska NPS
This is the official site of the seventeen national park system areas in Alaska which amount to more than 50 million acres.5,056 followers | Follow
EPAregion9
News, highlights, eco-tips, and other goings-on from the U.S. EPA Pacific Southwest region. CA, AZ, NV, HI, Pacific Islands.5,036 followers | Follow
SI Associates
The Smithsonian Associates: Educational and cultural experiences inspired by the Smithsonian’s exhibitions, collections, and research.5,014 followers | Follow
TransportStats
Bureau of Transportation Statistics -Federal source for transportation numbers4,993 followers | Follow
SmithsonianEducation
Resources for teachers and their classrooms from the Smithsonian Institution4,960 followers | Follow
Amtrak Vacations
THE official Twitter page for Amtrak Vacations - the largest rail vacation travel provider in the US. Exclusive toll-free # for our followers at 877-777-8804.4,856 followers | Follow
US EPA Mid-Atlantic
EPA's mid-Atlantic region protects human health and the environment in Del, DC, Md, Pa, Va and WVa.4,842 followers | Follow
US Fish and Wildlife
The Northeast Region of the U.S. Fish and Wildlife Service, USFWS, includes ME, VT, NH, MA, CT, NY, NJ, PA, MD, RI, WV, DE, and VA.4,820 followers | Follow
The White House
Give the President's Food Safety Working Group your ideas to reform food safety policy via #WHsafefood4,784 followers | Follow
AmeriCorps VISTA
Follow and share the buzz ... AmeriCorps VISTA (Volunteers In Service To America) ... working to end poverty since 19644,697 followers | Follow
U.S. Embassy Sweden
Official news from the U.S. Embassy in Sweden. Please see our Terms of Use: http://stockholm.usembassy.gov/tou.html4,689 followers | Follow
GrandTeton Natl Park
4,636 followers | Follow
NSF Science 360 News
Sponsored by the National Science Foundation, Science360 is an up-to-date view of breaking science news from around the world.4,569 followers | Follow
America.gov Print
We produce publications for IIPdigital and U.S. public diplomacy specialists abroad.4,558 followers | Follow
EPA New England
News/highlights/eco-tips & other info, from the New England regional office of the US EPA. Serving CT, ME, MA, NH, RI & VT. Tweets by Dave Deegan.4,527 followers | Follow
U.S. Embassy Nigeria
Updates from the United States Embassy, Abuja, Nigeria.4,522 followers | Follow
US Embassy NZ
The Official U.S. Embassy in New Zealand & Samoa, & Consulate General in Auckland Twitter site. We welcome your questions, comments, messages, and tweets!4,474 followers | Follow
NSF Biology
4,388 followers | Follow
caseycoleman
Career federal exec and IT professional; love cycling and fitness and dog rescue. Texas Aggie.Passionate about IT and its ability to improve our lives and work.4,365 followers | Follow
femaregion9
This channel provides FEMA mission-related information. For emergencies, call your local fire/EMS/police or 9-1-1.4,323 followers | Follow
femaregion1
This channel provides FEMA mission-related information. For emergencies, call your local fire/EMS/police or 9-1-1.4,274 followers | Follow
CDC's Act Early
CDC's Learn the Signs. Act Early. campaign helps parents of young children learn more about early development and take action if there is a concern.4,254 followers | Follow
State eDiplomacy
Innovative US diplomacy powered by knowledge leadership, superior customer support, and collaborative technology.4,181 followers | Follow
USDA Rural Tour
Visiting rural communities to hear how we can help revitalize and rebuild rural America. Updates by USDA staff on the road with Secretary Vilsack4,160 followers | Follow
Sequoia & Kings Park
Sequoia & Kings Canyon National Parks are home to the Sierra foothill community, extensive groves of sequoias, and alpine wilderness4,152 followers | Follow
US Embassy Madrid
Embassy of the U.S. in Madrid. Embajada de EEUU en Madrid4,150 followers | Follow
Learn and Serve
Learn and Serve America supports and encourages service-learning, helping students engage in school, build civic skills and contribute to our communities.4,083 followers | Follow
NSF Geosciences
Advancing scientific knowledge of Earth's environment [administered by @pffli]4,046 followers | Follow
U.S. Embassy Harare
The U.S. Embassy in Zimbabwe promotes active engagement and partnership with Zimbabweans to build a better future.3,982 followers | Follow
ProtectiveTechnology
The National Personal Protective Technology Laboratory, part of @NIOSH and @CDCgov (our RT, listing or following does not mean endorsement) *Burgh Verified*3,943 followers | Follow
U.S. Mission Geneva
The U.S. Mission represents the U.S. government at the U.N. and other International Organizations in Geneva.3,710 followers | Follow
Coconino Natl Forest
Official page for Coconino National Forest information. Visit our website for addtl forest info.3,680 followers | Follow
U.S. Embassy Serbia
Follow us! The official Twitter of U.S. Embassy in Belgrade, Serbia. Don't hesitate to contact us with questions, suggestions or comments.3,633 followers | Follow
SS&T Committee
News from the U.S. House of Representatives Committee on Science, Space, and Technology Democrats- Official News, Unofficial Twitter3,632 followers | Follow
U.S. Embassy Jordan
3,629 followers | Follow
SmithsonianPods
The latest museum podcasts. Covering everything from Asian Art to X-ray Astronomy!3,612 followers | Follow
U.S. Embassy Oslo
This is the official Twitter profile of the U.S. Embassy in Oslo, Norway. Don't hesitate to contact us with questions, suggestions or comments.3,603 followers | Follow
NASA Ames ERC
The NASA Ames Educator Resource Center helps teachers learn about and use NASA's educational resources. My name is Amber, and it's nice to tweet you.3,565 followers | Follow
femaregion7
FEMA Region 7 - This channel provides FEMA mission-related information. For emergencies, call your local fire/EMS/police or 9-1-1.3,545 followers | Follow
NOAA Coast Survey
NOAA's Coast Survey is the source of U.S. navigational charts and information, providing products and services to the nation's mariners since 1807.3,460 followers | Follow
Americagov Français
Les États-Unis dans le monde francophone: rejoignez la discussion globale sur la démocratie, l'innovation, le climat et la culture!3,399 followers | Follow
Elton Gallegly
U.S. Representative, 24th Congressional District, Ventura & Santa Barbara Counties, CA3,364 followers | Follow
Lister Hill Center
Producers of ClinicalTrials.gov, Profiles in Science, Genetics Home Reference, Turning The Pages & more. NLM Privacy Policy http://www.nlm.nih.gov/privacy.html3,337 followers | Follow
Smithsonian Journeys
The Smithsonian Institution’s official travel program. 150 tours each year to all seven continents focus on the natural world, history, culture, & arts.3,226 followers | Follow
Alcatraz Island
The Rock, originally an army fort and prison (1850 to 1934), for 29 years was the infamous penitentiary before being occupied by American Indians in 1969.3,199 followers | Follow
Everglades Natl Park
The largest subtropical wilderness in the United States, boasts rare and endangered species.3,182 followers | Follow
Botschaft der USA
US-Botschaft Berlin / Diplomatische Vertretungen der Vereinigten Staaten von Amerika in Deutschland3,169 followers | Follow
Dr. Chris Portier
Director: CDC’s Nat’l Center for Environmental Health and the Agency for Toxic Substances and Disease Registry (RT or following does not imply endorsement)3,145 followers | Follow
Forest Service, R5
We manage public lands in California and assist State/Private forest landowners in California, Hawaii and the US Affiliated Pacific Islands.3,051 followers | Follow
National Forests, FL
The official twitter of the National Forests in Florida (Apalachicola, Osceola and Ocala) -- 1.2 million acres of public land managed by the U.S. Forest Service3,047 followers | Follow
U.S. Embassy Zambia
Promoting Peace, Health, and Development through Partnerships with the Zambian People3,044 followers | Follow
U.S. GAO (Legal)
Legal decisions & opinions from the congressional watchdog, the U.S. Government Accountability Office. For our reports, testimonies & podcasts, follow @usgao.3,033 followers | Follow
NOAA Teacher at Sea
NOAA’s Teacher at Sea program gives K-16 teachers insight into our ocean planet & increases understanding of earth system science through real research projects2,997 followers | Follow
SmithsonianMarineStn
Yes, the Smithsonian is in Florida! We are a field station of the National Museum of Natural History, devoted entirely to marine science research and education2,994 followers | Follow
Smithsonian IMAX
Take an immersive journey to new worlds. Our five-story high screens and IMAX technology makes you feel like you're actually in these IMAX adventures!2,969 followers | Follow
Federal Register
We inform citizens of their rights and obligations, document the actions of Federal agencies, and provide a forum for participation in the democratic process.2,950 followers | Follow
SmithsonianVids
Archived lectures, exhibit videos and events from around the Smithsonian2,880 followers | Follow
NPS Volunteers
Bringing together National Park Service VIPs, volunteer managers, and friends.2,871 followers | Follow
Jovens Embaixadores
O Programa Jovens Embaixadores é uma iniciativa de responsabilidade social da Embaixada dos EUA, em parceria com os setores público e privado.2,866 followers | Follow
NSF Math & Phys
Mathematics and physical science in service to society [administered by @pffli]2,845 followers | Follow
NIOSH Mining
NIOSH Office of Mine Safety and Health Research. (RT or following does not mean endorsement)2,794 followers | Follow
SNAP-Ed Connection
The USDA SNAP-Ed Connection is a dynamic online resource center for State and local Supplemental Nutrition Assistance Program Education providers.2,782 followers | Follow
U.S. Embassy Prague
U.S. Embassy Prague, Czech Republic. Become our fan on Facebook: http://facebook.com/USEmbassyPrague2,703 followers | Follow
US-UN Mission Vienna
US Mission working with UN Organizations in Vienna on solutions 4 nuclear non-proliferation and energy, organized crime, outer space, int'l trade, and more.2,673 followers | Follow
WeThePeople
Official WH twitter account. Comments & messages received through official WH pages are subject to the PRA and may be archived. Learn more http://wh.gov/privacy2,653 followers | Follow
Golden Gate NRA
One of the world's largest urban national parks, Golden Gate hugs the California coastline for nearly 60 miles in and around San Francisco.2,603 followers | Follow
USFS Rocky Mountains
The Rocky Mountain Region manages 17 national forests and 7 national grasslands throughout Colorado, Kansas, Nebraska, and most of South Dakota and Wyoming.2,599 followers | Follow
Yosemite Science
Yosemite Division of Resources Management and Science shares news and information about the park's natural and cultural resources.2,560 followers | Follow
EPA Region6
News, links, tips, and conversation from the Dallas regional office of the U.S. Environmental Protection Agency2,556 followers | Follow
Bev Godwin
Public Servant. Federal Citizen Info Center @ GSA. All tweets are my personal views, not that of any current or former employer.2,501 followers | Follow
US Embassy The Hague
Embassy of the United States of America, The Hague, the Netherlands2,474 followers | Follow
Chesapeake Bay Progr
The Chesapeake Bay Program is a regional partnership that has led and directed Chesapeake Bay restoration since 1983.2,430 followers | Follow
US Embassy Kinshasa
The U.S. Embassy in Kinshasa is the official representation in D.R. Congo of the U.S. government.2,429 followers | Follow
US Embassy Ljubljana
The U.S. Embassy in Ljubljana conducts diplomatic relations with Slovenia & its people. Give us a shout if you want info on the US, grants, education, etc!2,219 followers | Follow
National Capital NPS
Official site of National Capital Parks-East, a national park in the Washington DC & MD area with compelling nationally significant natural & historic sites.2,163 followers | Follow
U.S. Currency
Welcome to the Redesigned U.S. Currency Twitter feed, an official U.S. Government account to inform the public about redesigned U.S. Currency.2,156 followers | Follow
Lake Mead NRA
Official News for Lake Mead National Recreation Area - National Park Service. Follow a real @LakeMeadRanger too.2,149 followers | Follow
U.S. Embassy Maputo
The Embassy of the United States of America in Maputo, Mozambique2,128 followers | Follow
SaguaroNationalPark
This is the official Twitter site for Saguaro National Park, home of the Giant Saguaro and the largest roadless Sky Island in the Sonoran Desert.2,052 followers | Follow
US Embassy Warsaw
2,047 followers | Follow
NPS SER EMERGENCY
NPS EMERGENCY OPERATIONS SOUTHEAST REGION ATLANTIC -CARIBBEAN / GULF COAST1,990 followers | Follow
US Embassy Libraries
US Embassy Libraries includes Information Resource Centers based in US embassies & consulates worldwide and American Corner and Binational Center partnerships.1,929 followers | Follow
Lake Tahoe USFS
Public Affairs for the U.S. Forest Service, Lake Tahoe Basin Management Unit1,907 followers | Follow
EPA Indoor airPLUS
Indoor airPLUS labeled homes include design, construction features to help protect families from health problems caused by poor indoor air.1,891 followers | Follow
Harpers Ferry Park
1,797 followers | Follow
Biscayne NP
Biscayne National Park is the largest marine park in the National Park System!1,745 followers | Follow
NPS Southeast Fire
Official information relating to NPS fire in the southeastern United States.1,730 followers | Follow
National Cemeteries
Official Twitter page for the National Cemetery Administration of the U.S. Dept. of Veterans Affairs. Following a Twitter user does not signify endorsement.1,696 followers | Follow
Lowell NHP
The early story of America's Industrial Revolution is commemorated at Lowell National Historical Park in the midst of this lively city.1,691 followers | Follow
U.S. Embassy Cyprus
Embassy of the United States of America in Cyprus | Metochiou & Ploutarchou Str. - 2407 Nicosia, Cyprus | Facebook: http://facebook.com/USEmbassyNicosia1,682 followers | Follow
Gateway NRA-NPS Area
Gateway invites you to go take a hike. Track wildlife or solve history mysteries in Brooklyn, Queens, Staten Island & Sandy Hook, New Jersey.1,661 followers | Follow
Glacier Bay NP
Glacier Bay National Park is a vast wilderness of mountains, glaciers, forests, and waterways teeming with wildlife and limitless opportunities for adventure.1,650 followers | Follow
Assateague Island NS
Wild horses, surf, kayaking, birding, fishing, crabbing, beach combing, solitude, constant change--Assateague Island1,615 followers | Follow
U.S. Embassy Vienna
Welcome to the official twitter page of the U.S. Embassy in Vienna, Austria.1,457 followers | Follow
Bridger Teton NF
The official Bridger-Teton NF twitter site. The B-T is home to worldclass wildlands, wildlife and headwaters1,455 followers | Follow
ConsularNotification
Official U.S. Department of State consular notification and access info1,450 followers | Follow
USFWS Fisheries
1,448 followers | Follow
Farm Service Agency
The Farm Service Agency (FSA) administers and manages farm commodity, credit, conservation, disaster and loan programs.1,441 followers | Follow
Wyndeth Davis
1,411 followers | Follow
NOAA Exhibits
The NOAA exhibits team provides communication support services for NOAA tradeshows, events, and promotion campaigns.1,374 followers | Follow
Industry Relations
Industry Relations Division for GSA's Public Buildings Service. Note: re-tweets and follows do not imply an endorsement of an entity or its content.1,368 followers | Follow
Klondike Nat'l Park
Welcome to Klondike Gold Rush National Historical Park (NHP). Stay tuned for updates on the Chilkoot Trail and park events.1,341 followers | Follow
Consular Yaounde
Americans in Yaounde, whether to visit or live, can follow for useful information about travel.1,323 followers | Follow
U.S. DOT,PHMSA HMSAT
Official microblog of the Pipeline and Hazardous Materials Safety Administration, Hazardous Materials Safety Assistance Team1,308 followers | Follow
Law Revision Counsel
Office in the US House of Representatives that publishes the official United States Code1,307 followers | Follow
Lake Mead Nat'l Area
Official Twitter source for Lake Mead national Recreation area in Nevada and Arizona1,255 followers | Follow
DoS Interns
Former DoS intern tweeting information about Dept. of State's Student Programs and answering questions.1,246 followers | Follow
CDC BioSense
BioSense is a disease surveillance program designed to increase emergency preparedness thru development of national network for real-time disease detection.1,226 followers | Follow
RegulationsGov
Official Twitter account. We support your ability to make a difference in Federal decision-making. Your forum: facebook.com/RegulationsGov1,209 followers | Follow
WH.gov Technology
Official WH twitter account. Comments & messages received through official WH pages are subject to the PRA and may be archived. Learn more http://wh.gov/privacy1,206 followers | Follow
Gates Of The Arctic
Imagine 8.4 million acres of wild and essentially untouched and undeveloped wilderness of superlative natural beauty and scientific value.1,200 followers | Follow
Colonial Nat'l Park
Official Twitter source for Colonial National Historical Park1,168 followers | Follow
Homestead NM
Official National Park Service site dedicated to the Homestead Act of 18621,159 followers | Follow
USDA NISIC
USDA, National Invasive Species Information Center (NISIC): gateway to invasive species information; covering Federal, State, local, and international sources.1,151 followers | Follow
NSF Comp & Info
Exploring the frontiers of computing [administered by @pffli]1,149 followers | Follow
FlorissantFossilBeds
Official site for Florissant Fossil Beds National Monument.1,143 followers | Follow
USForestService
1,134 followers | Follow
Hoover Historic Site
Herbert Hoover’s home town offered a world of opportunity—even the presidency of the United States—to a child of simple beginnings.1,128 followers | Follow
USFS_Pike&San Isabel
Welcome. This is the official site of the Pike & San Isabel National Forests and Cimarron & Comanche National Grasslands (PSICC) in Colorado and Kansas.1,094 followers | Follow
BeringLandBridgeNP
1,059 followers | Follow
PBGC Pension Benefit
The Pension Benefit Guaranty Corporation is a U.S. Government Agency that protects the retirement incomes of nearly 44 million American workers.1,058 followers | Follow
Umpqua Nat'l Forest
Umpqua National Forest: destination waters -- where friends and family meet to enjoy waterfalls and still mountain lakes1,023 followers | Follow
Alaska Centers
Alaska Centers in Anchorage & Fairbanks are managed by the National Park Service1,023 followers | Follow
Los Padres NF
Thank you for visiting the Los Padres National Forest on Twitter.1,020 followers | Follow
Lassen Volcanic NP
Nestled within Lassen’s peaceful mountain forests you will find that hissing fumaroles and boiling mud pots still shape and change the land.1,011 followers | Follow
USGSTNMRes
A research project about the usability of geographic information in support of USGS's The National Map1,006 followers | Follow
Lake Clark NP & P
Lake Clark National Park and Preserve protects wilderness, wildlife, watersheds and 10,000 years of human culture.980 followers | Follow
NSF Educ, Human Rscs
Ensuring the health and vitality of our nation's education [administered by @pffli]976 followers | Follow
BH National Forest
Black Hills National Forest, U.S. Forest Service. Caring for the Land and Serving People.967 followers | Follow
US Dept of Interior
The Dept. of the Interior is a Cabinet-level agency that manages the US’s vast natural and cultural resources.956 followers | Follow
NSF International
International Collaboration in Science and Engineering [administered by @pffli]954 followers | Follow
Tongass Nat'l Forest
The Tongass is America's largest National Forest and the most intact temperate rainforest on Earth, covering 17 million acres with 11,000 miles of shoreline.939 followers | Follow
Timucuan Preserve
898 followers | Follow
Gulf Island
897 followers | Follow
Kobuk Valley NP
This national park protects the Great Kobuk Sand Dunes, caribou migration routes, and resources that support the subsistence activities of local residents.869 followers | Follow
USFS Tahoe NF
Tahoe National Forest (which does not include Lake Tahoe) is one of the most popular forests in the Nation year round.864 followers | Follow
NSF Soc Bhvrl Econ
Increasing knowledge of people and society [administered by @pffli]861 followers | Follow
Fort Necessity NB
Fort Necessity National Battlefield commemorates those who fought and died in the beginning campaigns of the French & Indian War.859 followers | Follow
Yukon-Charley Rivers
788 followers | Follow
Forest Service (R9)
Official twitter account of the USDA Forest Service's Eastern Region (R9).769 followers | Follow
Thomas Stone NHS
Home of a Maryland lawyer and signer of the Declaration of Independence.743 followers | Follow
NSF Cyberinfrastruct
Stimulating advances in 21st Century Science and Engineering [administered by @pffli]741 followers | Follow
Cape Krusenstern NM
Rich with archeological sites, the preserve sheds light on over 5,000 years of Inupiaq Eskimo culture.737 followers | Follow
Forest Service, ARP
The public affairs staff of the Arapaho Roosevelt National Forests and Pawnee National Grassland maintains this official account.727 followers | Follow
Ala Kahakai
701 followers | Follow
NOAA NWS Spokane
Experimental; not for operational use. Personal account providing news and alerts for eastern WA & north ID.697 followers | Follow
USFS-Modoc
Located in the Far Northeast Corner of California - We are where the West still lives694 followers | Follow
KalokoHonokohauNHP
693 followers | Follow
USConsulateHalifax
The Official Twitter Feed of the United States Consulate in Halifax, Canada692 followers | Follow
va portland
Info from Portland VA Medical Center. (Following a Twitter feed does not signify endorsement.)691 followers | Follow
Commercial Service
679 followers | Follow
Better Buy Project
How can we use collaboration and social media to make the federal acquisition process more transparent, participatory, and collaborative?645 followers | Follow
Hiawatha NF
Located in Michigan's Upper Peninsula, the Hiawatha is “Your Great Lakes National Forest!” Lakeshores, lighthouses, islands and lake effect snow set us apart.640 followers | Follow
US Embassy Ottawa
Please follow @usembassyottawa for the latest news from the US Mission to Canada639 followers | Follow
Big Cypress NPres
This is the official Twitter site for Big Cypress National Preserve, home of over 729,000 acres of freshwater swamp ecosystem.620 followers | Follow
EasternGeogSciCenter
This Twitter account serves as a change log for changes made to the USGS Eastern Geographic Science Center's Land Cover Analysis Tool (LCAT) application.(beta)607 followers | Follow
GW Birthplace NM
We are a National Park Service unit, one of over 390 national parks in the system!524 followers | Follow
Usability.gov
515 followers | Follow
OpenGov Brainstorm
How can we strengthen our democracy and promote efficiency and effectiveness by making government more transparent, participatory, and collaborative?503 followers | Follow
U.S.GSA, Region 2
This is GSA's Northeast & Caribbean Region Public Affairs Office. For info on GSA's Social Media Policy please visit http://www.gsa.gov/portal/content/281637488 followers | Follow
Marion VAMC
Follow us for the latest information about the Marion VA Medical Center!462 followers | Follow
IRC Brasil
428 followers | Follow
Dietary Guidelines
The Dietary Guidelines for Americans are the cornerstone of Federal nutrition policy and nutrition education activities.419 followers | Follow
U.S. Capitol
Official twitter of Architect of the Capitol. Info and news about the buildings and grounds of the US Capitol. Retweets and links are not endorsements.383 followers | Follow
Feds Feed Families
We are asking Federal employees to donate food for hungry families this summer. Federal workers put a man on the moon; we can meet this challenge too!355 followers | Follow
C&O Canal NHP VIP
Chesapeake & Ohio Canal National Historical Park Volunteers-In-Parks program. Follow us to learn about volunteer opportunities and other park news!346 followers | Follow
Shawnee NF
As the only national forest in Illinois, the Shawnee provides a bevy of outdoor opportunities across it's beautiful 280,000 acres. Shawnee news, updates, etc.342 followers | Follow
EPA TribalCompliance
Compliance information targeted specifically for environmental issues in Indian country.307 followers | Follow
VISTA Flood Recovery
An organization of people helping to rebuild Cedar Rapids after the Flood of 2008.219 followers | Follow
EEOC SF Outreach
Outreach and education for the U.S. EEOC's San Francisco District Office196 followers | Follow
USDA_NASS_Hawaii
Agricultural statistics are important by providing an accurate, unbiased picture of Hawaii’s and U.S. agriculture. Thanks and appreciation go to the many Hawai178 followers | Follow
U.S. Commerce Dept.
The U.S. Commercial Service in Brussels helps American companies export their products and services to Belgium and Luxembourg.169 followers | Follow
FedCenter.gov
FedCenter.gov is the Federal government's home for comprehensive environmental stewardship and compliance assistance information.129 followers | Follow
DOE EM Eng & Tech
Providing the best-in-class engineering foundation, technical assistance, and new technologies to clean up the environment.125 followers | Follow
NW Region Fire
118 followers | Follow
EEOC Memphis
EEOC's Memphis District Outreach & Education in Arkansas, Tennessee and North Mississippi.109 followers | Follow
Gail Porter
Thirty years of experience as a public affairs officer for federal or federally supported science agencies.70 followers | Follow
FederalTransparency
A link to a non-federal site does not constitute an endorsement, and we cannot attest to the accuracy of the information presented on any non-federal site.56 followers | Follow
Curated by Government World
Most comprehensive list of U.S. Federal Government accounts.
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