California
San Francisco 49ers
Official Twitter Account of the Five-Time Super Bowl Champion San Francisco 49ers. Updated by @ScottKegley and @TaylorPrice49.165,725 followers | Follow
Stanford University
Stanford University is one of the world's leading research & teaching institutions. Official twitter feed by http://digitalinterns.stanford.edu63,711 followers | Follow
LA Times - LA NOW
Southern California headlines – News. Business. Crime. Education. Your News. Send tips + story ideas to @latimescitydesk. See latimes.com/twitter for more news.38,112 followers | Follow
Sunset Magazine
The ultimate how-to guide for living the dream in the West28,269 followers | Follow
TopSavings.Net
Residential and business telecommunications. Shop phone services and Internet services and save on your communication bills. Free business quotes and pricing.21,761 followers | Follow
CA.gov (California)
The State of California's official Twitter account. Follow our updates.18,113 followers | Follow
Monterey Aquarium
The Monterey Bay Aquarium is your window to the wonders of the ocean. It’s home to sea otters, penguins, sharks, jellies, and thousands of other marine animals.16,710 followers | Follow
Stanford Business
Business research, news and ideas from the Stanford Graduate School of Business. Tweets by @karenlee14,050 followers | Follow
Oakland Museum of CA
OMCA’s Twitter is written by Adam Rozan & the Museum’s Gallery Guides; our tweets reflect the insights of the dedicated staffers at OMCA.14,042 followers | Follow
News10 - California
Just another way News10 in Sacramento, CA is connecting with our community. Glad you found us here. We'll only post top stories and try not to over-tweet.13,937 followers | Follow
Visit California
@CATourism helps you explore California's diversity and plan your next visit. Tweets created by Lucas Himovitz of Visit California.12,829 followers | Follow
California Watch
Bold new journalism brought to you by California's largest investigative reporting team. A project of the Center for Investigative Reporting (@cironline).12,483 followers | Follow
Yosemite National Pk
National Park Service's primary source for news and information from Yosemite National Park.12,006 followers | Follow
California Kid
Enjoy tweeting about everything. I was born and raised in California and still love it here. Hope you enjoy the tweets :)11,369 followers | Follow
Seafood Watch
A program of Monterey Bay Aquarium designed to raise consumer awareness about the importance of buying seafood from sustainable sources.11,015 followers | Follow
UC Berkeley News
News from University of California, Berkeley, through the Office of Public Affairs.10,457 followers | Follow
CA Real Estate
To safeguard and promote the public interests in REAL ESTATE MATTERS through licensure, regulation, education and enforcement.8,965 followers | Follow
Suzi Rosenberg
DiscoverNorthernCalifornia.com is your online guide to exploring NorCal!8,805 followers | Follow
Scripps Oceanography
Scripps Institution of Oceanography is one of the oldest, largest, and most important centers for marine science research, graduate training, and public service8,534 followers | Follow
BerkeleyLab
Lawrence Berkeley National Lab is an @ENERGY national lab. Tweets by Berkeley Lab's Public Affairs Department.7,911 followers | Follow
California Labor
Fighting for California's working families! We represent more than 2.1 million workers in 1,200 AFL-CIO and Change to Win unions across the state.7,849 followers | Follow
Aquarium of Pacific
Take a journey of discovery through the world’s largest ocean at the Aquarium of the Pacific in Long Beach, California.7,625 followers | Follow
StnfrdGSB Admissions
The official page for timely news and updates for Admissions for all programs at the Stanford Graduate School of Business.7,578 followers | Follow
metrolosangeles
Metro (Los Angeles) serves as transportation planner and coordinator, designer, builder and operator for one of the country's largest, most populous counties.7,483 followers | Follow
California Lottery
Official California Lottery Twitter site. Updates on winners and promotions in your area. Must be 18+ to play.7,455 followers | Follow
CA State Parks
Official California State Parks Twitter feed. Contact media@parks.ca.gov6,960 followers | Follow
USGS Earthquake CA
A Twitter feed of USGS Earthquake notifications for the State of California over M2.56,801 followers | Follow
Visit Carlsbad
San Diego's Family Vacation Hot Spot - follow us for super travel deals and local information!6,740 followers | Follow
Museum of Makn Music
History of instrument innovations & American popular music from the 1890s to today. $8; $5 for students. Closed Mondays. Directions: http://bit.ly/MuseumMap6,704 followers | Follow
STAR EcoStation
STAR ECO Station is an internationally award-winning non-profit environmental education and exotic wildlife rescue center, dedicated to Preservation/Education6,659 followers | Follow
LA Times Fire News
Breaking SoCal fire updates from @latimes + @lanow. Send us your tips. See latimes.com/tweets for 180+ news streams. @latimesquakes tracks seismic news/alerts.6,521 followers | Follow
Birch Aquarium
Birch Aquarium at Scripps is the public exploration center for the world-renowned Scripps Institution of Oceanography at UC San Diego.6,508 followers | Follow
Fan Of David Harmer
UNOFFICIAL David Harmer For Congress Twitter Page - David Harmer Is The Republican Nominee CD-11 in CA November 2010 Election- Great Video Of David Harmer!6,365 followers | Follow
First 5 California
Helping California's Children Grow up Healthy and Ready to Succeed in School6,274 followers | Follow
California Golf
California Tourism's official golf campaign in partnership with the California Travel & Tourism Commission6,113 followers | Follow
Cal State Fullerton
Welcome to the official Twitter page of California State University, Fullerton, home of the Titans!6,111 followers | Follow
Long Beach CVB
Marketing & promoting Long Beach, Calif. as a dynamic, waterfront destination.6,046 followers | Follow
California News Now
California News Now 9000 Sunset Blvd Los Angeles CA 900685,918 followers | Follow
Santa Monica Pier
Opened on September 9, 1909, the Santa Monica Pier has become a hallmark of Los Angeles and California serving as an icon for summer fun on the beach.5,902 followers | Follow
SoCal Edison (SCE)
For immediate outage info, visit the outage center http://bit.ly/52lq5M or call 800-611-1911.5,838 followers | Follow
AARP California
AARP California has 3.1 million members and 3,000+ volunteers. We're your link to civic engagement, volunteerism, and AARP’s Create the Good initiative.5,770 followers | Follow
511 Bay Area
511 is your free one-stop phone and web source for up-to-the minute Bay Area traffic, transit, rideshare and bicycling information.5,726 followers | Follow
Berkeley Art Museum
University of California, Berkeley Art Museum and Pacific Film Archive Please follow our official Twitter feed @bampfa5,424 followers | Follow
CA Patient Advocate
Health Care Tips, Free Educational Materials, and Quality Ratings on your Health Plan and Medical Groups.5,150 followers | Follow
The Huntington
The Huntington is a renowned research and cultural center with 120 acres of botanical gardens, art galleries, a library of rare books & manuscripts, more.5,089 followers | Follow
Modesto Police Dept
We Are Committed to Keeping Peace and Order Through Professional Service.4,916 followers | Follow
C. Jewish Museum
Contemporary Jewish Museum // Connecting Art, People, and Ideas. Not Jewish? Not a problem. @kholler at the helm.4,770 followers | Follow
City of Long Beach
Many Unique Neighborhoods, One Great City. Follow us to get the scoop straight from the Long Beach City Manager's Office. Also at http://www.longbeach.gov or4,660 followers | Follow
Laguna Art Museum
A museum of American art with a focus on the art of California.4,653 followers | Follow
Fire Tracker
Autotelic. Connector, Social Media Ronin.Tech startup vet x5. Recovering Volunteer. Retired Vol Fire Board Member, 1st Rspndr, MRC, COM-L, Views = my own.#smem4,542 followers | Follow
Long Beach Water
The standard in water conservation and environmental stewardship4,537 followers | Follow
SeeMonterey
All about Monterey, Carmel, Pebble, Pacific Grove, Salinas, Seaside, Big Sur, Marina, Moss Landing, Del Rey Oaks and Sand City! Monterey County CVB.4,500 followers | Follow
Port of Long Beach
A major gateway for trans-Pacific trade, the Port of Long Beach is also an industry leader in environmental stewardship.4,437 followers | Follow
UC Davis Admissions
UC Davis Undergraduate Admissions here, generally tweeting about the people, projects & research that make UC Davis the bomb. GO AGS!!!4,417 followers | Follow
CAL FIRE PIO Berlant
CAL FIRE's Department Information Officer Daniel Berlant.4,383 followers | Follow
Norton Simon Museum
Read tweets from curators and communicators at the Norton Simon Museum4,381 followers | Follow
CA Corrections
Source for the California Department of Corrections and Rehabilitation's breaking news on prison and parole reforms, inmates, riots, courts, escapes and more...4,248 followers | Follow
SanMateoCountyFair
Visit the Fair this summer, June 9-17, 2012. Entertainment. Carnival Rides. Strolling Acts. Fair Food. Shopping. Contests. And More!4,212 followers | Follow
LA Dispatch
Live Breaking News Alerts in the LA area.... Follow @CAFirePageTalk for querying the CFP Team.4,141 followers | Follow
UC Santa Cruz
UC Santa Cruz is a public university that combines the intimacy of a small, liberal arts college with the depth and rigor of a major research university.4,035 followers | Follow
Berkeley Science
The official twitter account of The Lawrence Hall of Science at UC Berkeley.3,992 followers | Follow
East Bay Reg Parks
Live & scheduled messages from EBRPD Public Affairs. 1 888 EBPARKS. Public safety emergencies (510) 881-1121.3,863 followers | Follow
CalFireUpdates
Keeping California Informed With Real Time Updates (calfireupdates@gmail.com)3,860 followers | Follow
City of Irvine
The City of Irvine: Innovation, Integrity, Professionalism, Flexibility and Responsiveness.3,772 followers | Follow
Segerstrom Center
Segerstrom Center for the Arts. Located in Orange County, Segerstrom Center is an acclaimed arts institution and a multidisciplinary cultural campus.3,705 followers | Follow
LA Times Earthquakes
Beta @latimes feed of @USGS CA, NV + global earthquake shakemap data (unedited) w/ RT updates by @lanow. See latimes.com/twitter for more news streams.3,482 followers | Follow
CalRecycle
State agency leading the nation on recycling and waste reduction and a leader in protecting the environment.3,472 followers | Follow
Discovery Science
Discovery Science Center, Orange County’s #1 hands-on science museum. Follow us for exclusive chances to win prizes and get the latest new exhibit news!3,392 followers | Follow
Visit Laguna Beach
Seven miles of soft sand and surf...a year round retreat for art lovers, nature enthusiast and beach goers. Blogging at http://www.lagunabeachinfo.blogspot.com3,355 followers | Follow
North Lake Tahoe
North Lake Tahoe: a winter & summer hotbed for top lodging, events, skiing/boarding, SUP, boating, beaches, dining, spas, 24-hour casinos...3,251 followers | Follow
Santa Clarita City
Official Twitter account for the CIty of Santa Clarita, CA.3,099 followers | Follow
Visit Oceanside
The gateway to San Diego County, Oceanside is the classic CA beach community offering a casual spirit & year round sunny climate w/ avrg temp of 70 degrees.3,082 followers | Follow
Fowler Museum @ UCLA
Fowler Museum news from Stacey Ravel Abarbanel, Dir. of External Affairs and Agnes Stauber, New Media Manager2,970 followers | Follow
Stockton, California
We love Stockton, CA! We'll share events, cool Tweets, great pics, videos & more! Share with us what YOU love to do in Stockton! Tweets by the Stockton CVB.2,834 followers | Follow
The LA Arboretum
Our mission is to cultivate our natural resources. In addition to concerts and tours, we offer activities and events that cater to every audience.2,792 followers | Follow
Cowboy Museum
Preserving the history and industry of ranching, farming and rodeo in the California Central Valley one tweet at a time.2,789 followers | Follow
California DGS
DGS oversees real estate, buying & selling, fleet & surplus, publishing, school construction, admin hearings, business services for Calif state govt.2,724 followers | Follow
City of Tustin
The official twitter account for the City of Tustin; Building our future, Honoring our past2,710 followers | Follow
OC Great Park
The Orange County Great Park will transform the former Marine Corps Air Station El Toro into one of America's largest metropolitan parks.2,695 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.2,658 followers | Follow
L.A. County Fair
Celebrate the 90th Anniversary of the L.A. County Fair with yours truly, Kristy! I'll be bringing you fun trivia, cool photos and even cooler promotions!2,657 followers | Follow
Chris Raschke
I'm the Veterans Outreach Liaison for the Network of Care for Veterans & Service Members: a community based website to help veterans and their families.2,652 followers | Follow
SM Farmers Markets
California produce at it's finest. 4 markets a week. Follow us for markets picks, updates and fun facts.2,595 followers | Follow
Clovis Chamber
You're involved because we're involved. Get connected with Clovis and Fresno businesses through networking, advertising & promotion.2,585 followers | Follow
Alameda County
Cities of Alameda, Albany, Berkeley, Dublin, Emeryville, Fremont, Hayward, Livermore, Newark, Oakland, Piedmont, Pleasanton, San Leandro, & Union City.2,573 followers | Follow
OC Red Cross
Official twitter stream of the American Red Cross serving Orange County.2,541 followers | Follow
OC United Way
Orange County United Way's mission is to improve lives by mobilizing the caring power of Orange County to strengthen our community.2,530 followers | Follow
Ventura Co. Sheriff
2,500 followers | Follow
California Blog
California Travel, Photos, Vacation Ideas, Beaches, Mountains, Deserts, Parks, Nature, Daytrips, Wildflowers www.california-blog.com2,471 followers | Follow
The Magnes
The Magnes Collection of Jewish Art and Life, University of California, Berkeley2,471 followers | Follow
City of Riverside,CA
The Official Twitter page for the City of Riverside, CA. Visit us at www.RiversideCA.gov, www.ExploreRiverside.com or www.facebook.com/CityofRiverside2,466 followers | Follow
Mission Viejo
With attractive neighborhoods and picturesque views of mountains, Lake Mission Viejo and lush landscape, Mission Viejo boasts a high quality of life.2,462 followers | Follow
City of Temecula
2,442 followers | Follow
Downtown Santa Rosa
Welcome! Thanks for visiting the City of Santa Rosa's Downtown Program!2,421 followers | Follow
Ventura County Fire
2,378 followers | Follow
Lux Art Institute
Lux Art Institute is San Diego’s first LEED certified, interactive art destination where visitors can “see art happen” live!2,333 followers | Follow
Yosemite Science
Yosemite Division of Resources Management and Science shares news and information about the park's natural and cultural resources.2,316 followers | Follow
California Weather
Severe weather and flood alerts for California. For more weather alerts for Twitter users, click on web link above. Feeds by NWS2,299 followers | Follow
VC Public Health
Public Health Department for the County of Ventura, CA You can also find us on http://facebook.com/VenturaCountyPublicHealth2,292 followers | Follow
Oceanside Chamber
Embracing technology to better serve our members and community.2,277 followers | Follow
UC Irvine Merage MBA
UC Irvine Merage School MBA Recruitment & Admissions - events, news, admissions and all things business2,248 followers | Follow
Humboldt State
The California State University's northernmost campus, nestled on the Redwood Coast 270 miles north of San Francisco.2,228 followers | Follow
7-Eleven Street Team
7-Eleven LA, OC, IE, SB, Ventura Street Team headed by 7-Eleven SoCal PR team. Questions? Email us at 7elevensocal@gmail.com.2,227 followers | Follow
Napa Fire Department
All releases are a courtesy and may not be all inclusive or timely.2,197 followers | Follow
USGS Earthquake NorC
A Twitter feed of the USGS Earthquake Notification Service for Northern California quakes over M2.52,194 followers | Follow
Kidspace Museum
Located in Pasadena, Kidspace has over 25 hands-on exhibits, in addition to outdoor spaces, programs and activities designed to encourage a child’s development.2,089 followers | Follow
California Local
Community Entrepreneur helping connect people, businesses and non profits to cause good things locally and globally. Internet Marketing, Non Profits2,065 followers | Follow
SCV Sheriff
Los Angeles County Sheriff's Department - Santa Clarita Valley Station - Captain Paul Becker - OFFICIAL2,055 followers | Follow
Pomona College
Official Pomona College account. Laura Tiffany, Pomona's Web Editor, is your official Tweeter.2,040 followers | Follow
Stanislaus Sheriff
Media/Public Relations Unit of the Stanislaus County Sheriff's Department2,034 followers | Follow
Sandra Hutchens
OC Sheriff's Department - This is a non emergency communications tool. Please visit http://egov.ocgov.com/ocgov/Social%20Media%20Disclaimer for more info.2,009 followers | Follow
City of Santa Clara
Santa Clara is a family oriented and business friendly city in the center of Silicon Valley, located in Santa Clara County, California.1,958 followers | Follow
USFS Fire-California
U.S. Forest Service-Pacific Southwest Region, Fire and Aviation Management1,937 followers | Follow
OC Business Council
Orange County Business Council represents and promotes the business community, working with government and academia to enhance OC’s economic development.1,916 followers | Follow
KVIE /Sacramento PBS
KVIE is the PBS television station serving Northern California on TV and kvie.org. Tweets by David, Kelly & Sheryl.1,909 followers | Follow
YosemiteDNC
This Yosemite Twitter account is managed by DNC Parks & Resorts, an authorized concessioner of Yosemite National Park.1,901 followers | Follow
El Camino College
El Camino College in Torrance, CA. Established in 1947. Serving the South Bay and beyond. Who will you be?1,877 followers | Follow
CSUSB Admissions
Cal State San Bernardino Office of Admissions and Student Recruitment1,855 followers | Follow
Joel Zlotnik
Bringing you all you ever wanted to know and more about transportation news in Orange County.1,834 followers | Follow
CSU Monterey Bay
The official Twitter account of California State University, Monterey Bay. Managed by Liz MacDonald (^L)1,817 followers | Follow
Santa Clara County
County of Santa Clara mission: Plan for the needs of a dynamic community, provide quality services, promote a healthy, safe and prosperous community for all1,812 followers | Follow
Salinas Police Dept.
This is the official Salinas Police Department Twitter site for Press Releases and other important information.1,785 followers | Follow
Laguna Niguel
The official Twitter account for the City of Laguna Niguel...A great place to call home.1,773 followers | Follow
Thousand Oaks Police
Dedicated to serving the citizens of the Conejo Valley1,736 followers | Follow
CSU Dominguez Hills
Official Twitter account for CSUDH, a state university educating a population of unprecedented diversity for leadership roles in a global society.1,734 followers | Follow
Spare the Air Alerts
Follow SpareAir to get AirAlerts via Twitter. You will be the first to know when the Bay Area is experiencing a Spare the Air or Spare the Air Tonight advisory.1,729 followers | Follow
Santa Clara, CA
Santa Clara,CA -California's Great America,Intel Museum,Mission Santa Clara, MLS Earthquakes,museums, great shopping, events, & 49ers stadium news. Stay tuned!1,702 followers | Follow
Community Affairs
Inside the Torrance Police Department / Police Chief John J. Neu1,700 followers | Follow
Lake Tahoe USFS
Public Affairs for the U.S. Forest Service, Lake Tahoe Basin Management Unit1,698 followers | Follow
Bowers Museum
1,677 followers | Follow
CA Fire Alliance
The official Twitter page for the CA Fire Alliance is monitored and updated by Debra Hein (^DH), Jane Arteaga (^JA) and Christie Schuck (^CS) from BLM’s staff1,638 followers | Follow
Petersen Museum
We explore and present the history of the automobile and its impact on American life and culture using Los Angeles as the prime example. (Tweets by Chris Brown)1,635 followers | Follow
John Wayne Airport
John Wayne Airport is owned and operated by the County of Orange. This account's list of followers may be subject to California's Public Records Act.1,633 followers | Follow
Mendocino County
Quaint towns & villages, intimate and artisanal wineries, towering redwood forests1,621 followers | Follow
Hillsborough PD (CA)
This is the official Twitter page of the Hillsborough Police Department (CA). 650-375-74701,616 followers | Follow
Discovery Museum
Indoor & outdoor children's museum under the Golden Gate Bridge. Tweets by members of the Education and Communications departments1,594 followers | Follow
Manteca Police
Manteca Police serves over 80K people in the Central Valley of California.1,593 followers | Follow
Napa Chamber
As the membership organization for business, we promote our community's economic vitality and quality of life through leadership development, and advocacy.1,592 followers | Follow
UCI School of Law
UCI School of Law, the first new public law school in California in more than 40 years, opened its doors to its first class in August, 2009.1,561 followers | Follow
CA Assoc of Museums
The California Association of Museums (CAM) serves the interests and needs of California museums and industry professionals.1,553 followers | Follow
1736 Family Crisis
1736 Family Crisis Center helps families and individuals who are in crisis. . .1,492 followers | Follow
Pacific Asia Museum
Housed in a historic Chinese-style building and home to over 15,000 art objects from Asia and the Pacific Islands. Chelsea is tweeting.1,469 followers | Follow
SanJoseMuseumofArt
The San Jose Museum of Art offers a surprising and playful perspective on the art of our time. See what you think.1,464 followers | Follow
USU @ CSUN
The USU is located at the heart of CSUN. It's the place to be for students. Events, jobs, food, retail and so much MORE!!1,428 followers | Follow
SLO Chamber
Business people working together for a prosperous, balanced community.1,416 followers | Follow
CSU Long Beach
1,402 followers | Follow
Stanford GSB: CLDR
The Center for Leadership Development and Research at Stanford promotes teaching, research and outreach, to develop principled leaders who change the world.1,395 followers | Follow
Sonoma County Water
SCWA provides naturally filtered drinking water to cities and water districts in Sonoma and Marin counties.1,382 followers | Follow
CA&ES News, UC Davis
College of Agricultural and Environmental Sciences, University of California, Davis (UC Davis)1,376 followers | Follow
Hesperia Police
Emergency alerts and crime prevention information from the San Bernardino County Sheriff's Department-Hesperia Station, 9393 Santa Fe Ave., Hesperia, CA 92345.1,354 followers | Follow
Autism California
Offering Assistance and care for Southern California loved ones with Autism1,349 followers | Follow
Carlsbad Chamber CA
The Carlsbad Chamber of Commerce is the 2nd largest chamber in the County of San Diego and the 10th largest chamber in the state of California1,314 followers | Follow
Red Cross Santa Cruz
The American Red Cross, Santa Cruz County Chapter - Changing lives in Santa Cruz County for over 113 years!1,294 followers | Follow
Alameda County Fair
We are a private, non-profit corporation, responsible for producing the annual Fair as well as other select events year round since 19391,286 followers | Follow
Modesto CVB
Welcome to Modesto, the city that greets you with a smile. Our warm, friendly people give Modesto the feel of your hometown, with the amenities and attractions1,271 followers | Follow
Santa Monica PL
Santa Monica Public Library serves the community of Santa Monica, CA with the Main Library and 3 Branches.1,236 followers | Follow
Greenfield Police
The GreenfieldPD Twitter was created to help the public stay informed with breaking news and emergencies1,235 followers | Follow
LA Chamber
Upscale mountain resort in So. Calif. Great for families, events, terrific vacation destination. Follow the Chamber for Lake Arrowhead updates!1,196 followers | Follow
Caffè California
We're committed to providing great food at a great value that is locally grown and organic and produced in an earth friendly way it's FOOD FOR THOUGHT...1,193 followers | Follow
Riverside Sheriff
Riverside County Human Resources servicing the Sheriff's Department1,176 followers | Follow
OC Channel
The OC Channel is a service of PBS SoCal and Chapman University. The next generation of PBS.1,158 followers | Follow
EastBayBikeCoalition
East Bay Bicycle Coalition works for safe, convenient and enjoyable bicycling for all people in the East Bay, California (Alameda and Contra Costa Counties)1,126 followers | Follow
SV Bicycle Coalition
Silicon Valley Bicycle Coalition - updates from http://bikesiliconvalley.org and more.1,126 followers | Follow
City CarShare
Bay Area nonprofit with a mission to improve the environment and quality of life in our cities by providing convenient, affordable hourly access to cars.1,125 followers | Follow
Sausalito Police
The mission of the Sausalito Police Department is to reduce the impact of crime and other external harm to persons and property.1,122 followers | Follow
OCTA Marketing
OCTA - Providing valuable information to our bus riders and helping them travel around Orange County.1,105 followers | Follow
511 Contra Costa
Contra Costa County Transportation Demand Management and Transit Encouragement1,104 followers | Follow
Sweetwater Schools
The Sweetwater Union High School District (SUHSD) serves over 42,000 students in grades 7-12 in the southern portion of San Diego County.1,100 followers | Follow
County of Marin
County of Marin Social Media User Responsibility Guideline http://www.co.marin.ca.us/depts/AD/main/smuserguideline.cfm1,092 followers | Follow
Chamber of Commerce
Mount Shasta, the second highest volcano in the U.S., stands at 14,162-foot and is surrounded by natural beauty and offers many year-round outdoor activities.1,087 followers | Follow
City of Elk Grove
The City of Elk Grove- Proud Heritage.Bright Future. For details about the City of Elk Grove social media policy, visit: www.elkgrovecity.org/public-info/1,085 followers | Follow
Stanford GSB Exec Ed
This profile is no longer in use. Please follow @StanfordBiz and @StnfrdGSB_Apply.1,066 followers | Follow
Walnut Creek Chamber
The purpose of the Walnut Creek Chamber of Commerce & Visitors Bureau shall be to advocate the common business interests of its general membership.1,042 followers | Follow
Los Altos Chamber
The Mission of the Los Altos Chamber of Commerce is to encourage and promote businesses and to stimulate a vibrant economy in Los Altos and Los Altos Hills.1,039 followers | Follow
Tami Abdollah
@KPCC #education journo + breaking news. Ex-LATer. Native Angeleno, techie; love music, climbing, soccer, #Lakers. RT ≠ endorsements. Tips: tabdollah@kpcc.org1,037 followers | Follow
Eric Hilden
For a complete bio, please see my linkedin profile at www.linkedin.com/in/erichilden.1,034 followers | Follow
Tulare Co. Sheriff
1,033 followers | Follow
Trinidad CA Chamber
Discover Trinidad, CA - Greater Trinidad Chamber of Commerce. Welcome to the Redwoods in Northern California. Use @, direct, or #trinidadca to ask/suggest info1,021 followers | Follow
Palmdale Sheriff
The Latest information coming out of the Palmdale Sheriff's Station.1,001 followers | Follow
Foothill-DeAnza PD
Foothill-DeAnza Community College District Police Department, serving Foothill College in Los Altos Hills and De Anza College in Cupertino, California969 followers | Follow
Foothill College
Innovative community college offering transfer and career education in a beautiful environment.958 followers | Follow
Coastal Cleanup Day
The California Coastal Commission's Public Education Program & California Coastal Cleanup Day. Whale Tail License Plates support our programs www.ecoplates.com.949 followers | Follow
Caltrans District10
When you see flashing lights Slow Down or Move Over. It's the Law!949 followers | Follow
valleywater
Water resources, flood protection and stream stewardship for Santa Clara County, California926 followers | Follow
Think Santa Clarita
THiNK Santa Clarita Valley supports the local community by encouraging residents & businesses to THiNK locally first for SHOPPING, DINING, SERVICES and more!897 followers | Follow
Palo Alto Open Space
City of Palo Alto's Baylands Preserve, Pearson Arastradero Preserve and Foothills Park. Terms of Use: http://bit.ly/9mwdXZ895 followers | Follow
OC Registrar
Conducts elections in Orange County, California. Visit our homepage at www.ocvote.com.894 followers | Follow
VisitVallejo
Vallejo Convention and Visitors Bureau - Your Bay Area Fun Starts Here!883 followers | Follow
City of Vacaville
Vacaville is located in northern Solano County, midway between San Francisco and Sacramento.883 followers | Follow
Sarah Swensson
Sharing tips to be safe around train tracks and updates on railroad crossing construction882 followers | Follow
USFS, Region 5
We manage public lands in California and assist State/Private forest landowners in California, Hawaii and the US Affiliated Pacific Islands.862 followers | Follow
CSU Channel Islands
California State University Channel Islands is Ventura County's first public, four-year university.851 followers | Follow
City of Lancaster
830 followers | Follow
City of Santa Rosa
City of Santa Rosa Environmental Projects aims to help Santa Rosans live more sustainably.823 followers | Follow
Stanford GSB Library
This profile is no longer active. Please follow @Stanford_Biz.808 followers | Follow
UC Davis Orientation
UC Davis Orientation, First Year Experience, Student Housing - provides academic advising services for the first-year experience!796 followers | Follow
UC Davis Music
The Department of Music at UC Davis—scholarship, composition, performance—presenting 100+ events each year. Also at http://www.facebook.com/ucdavis.music.773 followers | Follow
CSU Long Beach EOC
Our goal is to equip and prepare the CSU Long Beach community in the event of a disaster or emergency.767 followers | Follow
UC Merced SBDC
The UC Merced SBDC Regional Network assists Central California entrepreneurs and small business owners through counseling, training and business information.767 followers | Follow
Vacaville Fire Dist.
759 followers | Follow
Catalina Island
Catalina Island Visitor Center & Chamber of Commerce. Deals, activities, upcoming events and just Catalina Island info.759 followers | Follow
Murrieta Fire Dept
751 followers | Follow
Ripon Friends
All the latest updates from the Friends of the Ripon Memorial Library743 followers | Follow
Plan4Preschool
The digital library for preschool planning in California. Visit us at www.plan4preschool.org!723 followers | Follow
Co 36 / County Fire
Updates on fire and rescue activity relative to the Loma Prieta area.720 followers | Follow
Wm. S. Hart District
William S. Hart Union High School District is a 7-12 district serving over 23,000 students.694 followers | Follow
City of Menlo Park
Menlo Park, a Tree City USA community, is a quiet yet vibrant city of pleasant, tree-lined neighborhoods and friendly people.692 followers | Follow
SacChildren'sMuseum
669 followers | Follow
Mendocino NF
Mendocino National Forest News, Events, and General Information.662 followers | Follow
Health Care Agency
Official account of HCA. This site is not monitored regularly, if you have an emergency please call 9-1-1. Disclaimer: http://ochealthinfo.com/socialmedia632 followers | Follow
Downtown San Mateo
Downtown San Mateo has all the ingredients, come try our recipe for food, fun and entertainment.630 followers | Follow
California DMHC
Helping Californians to get the Right Care at Right Time. Contact us at 1-888-466-2219 or online at www.HealthHelp.ca.gov .627 followers | Follow
USFS-Modoc
Located in the Far Northeast Corner of California - We are where the West still lives617 followers | Follow
R. Egyptian Museum
The Rosicrucian Egyptian Museum houses the largest collection of ancient Egyptian artifacts in Western North America!592 followers | Follow
TheTollRoads
OC’s public toll road system includes SRs 73/241/261 and 133. Nearly 260,000 drivers use The Toll Roads daily as congestion-free alternatives to local freeways.588 followers | Follow
UCDavis Grad Studies
UC Davis Graduate Studies includes a diverse student body of master's and doctoral students from around the world.571 followers | Follow
Andy Johnson
We are the City of Modesto's Parks, Recreation and Neighborhoods Department552 followers | Follow
Santa Clara VTA
We operate public transportation for Santa Clara County. We are also a congestion management agency.543 followers | Follow
Univ. of La Verne
Get updates from the Office of Admission at the University of La Verne541 followers | Follow
Sunnyvale Recreation
536 followers | Follow
Silicon Valley Power
City of Santa Clara's Electric Utility, sponsor of Santa Clara Green Power and the Neighborhood Solar Program523 followers | Follow
UCSD shuttles
UC San Diego Transportation Services provides free shuttle services to campus affiliates. Follow our tweets for rider alerts, service changes and announcements.493 followers | Follow
Coastline College
Coastline Community College has an international reputation as one of the nation's most innovative institutions.487 followers | Follow
Visalia Chamber
Visalia's source for business information, advocacy, and promotion484 followers | Follow
Alameda County ROV
The Registrar of Voters is in charge of running elections for Alameda County.481 followers | Follow
Nutrition Services
Join us at Soda Free Summer! Kick the can and take the pledge @ www.sodafreesummer.org478 followers | Follow
Franchise Tax Board
My name is Marlene Stamper. I work at the Franchise Tax Board. FTB is responsible for income tax in California (among other things).460 followers | Follow
United Way of VC
United Way has been a community partner in Ventura County since 1945.413 followers | Follow
Phoebe Hearst Museum
The Museum preserves and interprets a global record of material culture through its more than 3.8 million objects.405 followers | Follow
Santa Fe Irrigation
Santa Fe Irrigation District provides its customers with an adequate and reliable supply of quality water that meets customer needs at a reasonable cost.402 followers | Follow
Vacaville CSD
The Vacaville Community Services Department offers a diverse selection of recreational programs and activities for the community.395 followers | Follow
MM Caltrans
Receive information from Caltrans District 2 about northstate projects - please Don't Tweet and Drive!391 followers | Follow
UC Transfer Program
Transfer Partnerships Program identifies and supports prospective transfer students from community colleges and assists them in enrolling at the UC373 followers | Follow
Santa Rosa CityBus
366 followers | Follow
City of Commerce
The City of Commerce is a suburb of Los Angeles in Los Angeles County, California, United States.359 followers | Follow
CA State Parks Found
We've changed our name! See @calparks for official updates!356 followers | Follow
Eastern Municipal
Eastern Municipal Water District provides safe and reliable water and wastewater management services347 followers | Follow
PSC Literacy
Project Second Chance (PSC) is the Contra Costa County library's adult literacy program where students, tutors and staff come together to learn and grow.333 followers | Follow
Lake County, CA
Where vacation memories are made... The official marketing and tourism tweet for Lake County, CA329 followers | Follow
Monterey Elections
The administration of all public elections, held within Monterey County, is the predominant role of the Monterey County Elections Office.328 followers | Follow
Valley Air District
Information about air quality in the San Joaquin Valley, California and around the globe!302 followers | Follow
AlamedaCOE
ACOE provides fiscal oversight, teacher training, and support to 18 districts in the county and direct instruction for students not enrolled in district schools293 followers | Follow
Hanford JUHSD
News, information and updates about the Hanford Joint Union High School District291 followers | Follow
SacStateCCE
Learning doesn't end with a diploma or degree, it continues here. Courses, training, conference planning for career & skill development.290 followers | Follow
WE Connect
WE Connect, national program founded by former First Lady Maria Shriver now run by The California Endowment, connects families with money saving info and tools288 followers | Follow
sclln literacy
Adult and Family Literacy in Southern California libraries. Learn To Read. Volunteer as a literacy tutor at your local public library !284 followers | Follow
SRJC Libraries
Frank P. Doyle Library (Santa Rosa campus), Herold Mahoney Library (Petaluma campus)273 followers | Follow
Gold Country Fair
271 followers | Follow
Yolo Health Dept
We are the Yolo County Health Department, protecting the health and safety of all Yolo County residents. Find out what we do, and get updates on the latest.267 followers | Follow
Davis Art Center
A nonprofit that promotes the appreciation and execution of the visual and performing arts through classes, exhibits and events.260 followers | Follow
Sonoma State Library
The Sonoma State University Library actively promotes excellence in inquiry, research, scholarship, creativity, teaching, and learning.257 followers | Follow
CalPolyPomonaLibrary
Cal Poly Pomona University Library: books, computers, coffee, 24 hour study lab, research assistance, and more.246 followers | Follow
Discover the Delta
Helping to Preserve, Promote and Protect the California Delta! Learn more @ http://www.discoverthedelta.org233 followers | Follow
SCruz Co Elections
We are the Santa Cruz County Elections Department, CA. Get the latest county election news here!222 followers | Follow
Santa Barbara Youth
220 followers | Follow
2-1-1 California
2-1-1 California is the statewide network of local 2-1-1 information and referral providers.214 followers | Follow
Lemon Grove Library
Check Out Your Local Library, Where It's All Free To Borrow198 followers | Follow
City of Brisbane
Located in San Mateo County, just south of San Francisco and surrounded by the beautiful San Bruno Mtn.!192 followers | Follow
Franklin Library
Just your friendly neighborhood library branch. This account is managed by Franklin Library staff.191 followers | Follow
SCC Transfer Center
The Transfer Center at Santiago Canyon College is your resource and service center for transferring to a four-year university.179 followers | Follow
RC Library
Rancho Cordova Library tweeting about all the new books/programs/generally awesome library offerings!162 followers | Follow
Kings County Dept Ag
To Promote and Protect the Ag of Kings County California, Organic Certification, Pesticide Use Enforcement, Measurement Standards, Exclusion,151 followers | Follow
Milpitas OES
The Milpitas Fire Department Office of Emergency Services (OES) coordinates the City's preparedness efforts to mitigate against, plan for, respond to and recove144 followers | Follow
BARTChiefSpokes
138 followers | Follow
Baldwin Hills Scenic
131 followers | Follow
BirminghamCharterHS
Since 1954, Birmingham High School has served residents of the San Fernando Valley. Now, Birmingham Community Charter proudly enters a new era of excellence!!128 followers | Follow
CaNitrogenAssessment
California Nitrogen Assessment, Agricultural Sustainability Institute at UC Davis127 followers | Follow
Walnut Valley Water
News and information from the Walnut Valley Water District located approximately 20 miles east of Los Angeles in southern California.113 followers | Follow
Cal Poly Pomona SDLI
The Student Development and Leadership Institute (SDLI) provides education, development and training that enhances students’ personal leadership abilities103 followers | Follow
SDCL Casa de Oro Lib
9805 Campo Road #180 Spring Valley, CA 91977 www.facebook.com/casadeorobranch99 followers | Follow
LA CA County Chamber
80 followers | Follow
ArcadiaPublicLibrary
We provide full & equal access to materials & services that meet the educational, informational, historical & individual interests of a diverse community.68 followers | Follow
Curated by California Kid
California Tweeting, California Twitter List
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