Geolocation
Christian O Petersen
Partner Progression Partners, CloudMade VP Community, Boardmember: Cogniance, SVP. Network w/Startup founders, web/mobile developers. Connect: Facebook/LinkedIn9,485 followers | Follow
Juha Christensen
Partner, Progression Partners. Co-founded Symbian & Sunstone, fmr exec at Microsoft & Macromedia. Board of Teleca, CloudMade, Cogniance, VirtualLogix, SVP.7,952 followers | Follow
Gov 2.0 Events
Twitter account for Gov 2.0 Summit and Gov 2.0 Expo, co-produced by O'Reilly and TechWeb3,271 followers | Follow
gisuser.com
GISuser is THE resource for GIS, mapping, mashup news, social location, GPS, mobile and location tech news, tools, jobs and tips2,559 followers | Follow
Glenn the GISuser
GIS / LBS and social mobile Tech Evangelist - co-founder & Editor GISuser.com, LBSzone, SymbianOne. Geographer, fan of mobile tech, S60, iphone, Chocolate labs2,520 followers | Follow
Raimo van der Klein
Into the mobile stuff. CEO of Layar, founder of MoMo AMS. Father and husband2,424 followers | Follow
openstreetmap
OpenStreetMap is a free editable map of the whole world. It is made by people like you.2,112 followers | Follow
Scott Raymond
Co-founder/CTO of Gowalla. Ruby, Cocoa, & JavaScript developer. Game designer. Author. Indoorsman.2,065 followers | Follow
Andrew Turner
neogeographer, building GeoCommons and open-source mapping tools2,010 followers | Follow
The GIS Forum
The GIS forum twitter feed will be used to aggregate site posts and provide some quick site updates. It is monitored, but will probably not be very 'personal'.1,974 followers | Follow
Brien Green
Geographer (really it's more exciting than it sounds), Cartographer, Consultant, Philosopher, Fiction Writer, Cyclist, Father of Two, Christ Follower, Yogi1,826 followers | Follow
Nielsen Claritas
Nielsen Claritas is the preferred choice of Fortune 500 companies who wish to optimize their customer targeting, media strategies and site analysis decisions.1,666 followers | Follow
Geospatial News
News, jobs and PR about GIS, geography and other spatially related items. Tweet items of interest to @dmgeo1,528 followers | Follow
Justin C. Houk
ReadWriteWeb Research Intern, Online Activist, Geolocation, Government 2.0, New Media, Father and Husband1,474 followers | Follow
Dave Smith
Many hats : Geospatial / Remote Sensing / Surveying / Mapping / Environmental / Planning / Engineering / Sustainability / Software / Enterprise Architecture1,368 followers | Follow
Geovative Solutions
GPS audio tours: Discover, create, promote, share & sell GPS-enabled GeoTour guides that bring points of interest to life for travel destinations worldwide.1,368 followers | Follow
Bing Maps Developer
News and info for Bing Maps (formerly Virtual Earth) - John O'Brien MVP1,322 followers | Follow
Ordnance Survey
Britain's National Mapping Agency tweeting about maps, geography and geographic information.1,285 followers | Follow
DeLorme GPS
Earthmate GPS PN-40: The Serious Tool for Serious Outdoor Adventures1,139 followers | Follow
Location Services
Location Based Services (LBS), mobile marketing and consulting.1,127 followers | Follow
Sandi Weldon
Gowalla. Piano. Gourmet anything. Beach. Mountains. Friends. Family.1,114 followers | Follow
Teresa Baldwin
GIS techie, just starting out with open source, German speaking, map making, FOSSLC and OSGeo supporter, atheist, asker of too many questions1,032 followers | Follow
Simon Grice
1,022 followers | Follow
Valerie Yakich
Geospatial research and development • GIS • I'm passionate about analysis, visualization, and interdisciplinary synergies. Opinions are my own. 979 followers | Follow
Andy Hudson-Smith
874 followers | Follow
ESRI Forestry Group
Focusing on geospatial topics (GIS/RS/GPS) for global forestry professionals & land managers.865 followers | Follow
got geoint?
got geoint? is the official blog of the United States Geospatial Intelligence Foundation (USGIF)858 followers | Follow
Christopher Osborne
Mr #geomob and Ito World's geo-conscience. Neogeographer and OpenStreetMap chap.847 followers | Follow
UMapper.com
Account is updated by Andrei Taraschuk - founder and ceo of umapper.769 followers | Follow
Matt Faulkner
Owner The GIS Forum, GIS Manager, MS Tablet PC MVP, Team at GottaBeMobile740 followers | Follow
Peter Batty
Geo technologist, ex CTO of Intergraph, Ubisense, Smallworld, world traveler, photographer694 followers | Follow
spatialsustain
Covering the application of technology for the better stewardship of our planet.680 followers | Follow
Bill Dollins
geonerd, coder, blogger, entrepreneur, husband, dad, Type 1 Parent668 followers | Follow
AGI GeoCommunity
GeoCommunity is the UK's leading GI event bringing together all the participants in our GeoCommunity. 28-30 Sep 10 Tweets from the conference team642 followers | Follow
Timothy Hales
I have a degree in Geospatial Technology. I am working on my BS degree at East Carolina University. I enjoy helping others with GIS. I am STARS Certified.638 followers | Follow
Optech Incorporated
The Lidar Company. The worlds leading lidar (laser radar) technology company with 35+ years of experience from the depths of the ocean to the surface of Mars.622 followers | Follow
gmapsmania
620 followers | Follow
Jesse Rouse
Geography, geospatial, tech, archaeology...yup, that is about it for me.608 followers | Follow
Telematics Update
Telematics Update is your one-stop shop for information and news on the digital/wireless automotive, mobile and web industries! Join us now..605 followers | Follow
Geo Technology News
Watching GIS, geo technologies, and the Mobile Geo-Social web574 followers | Follow
Joe Francica
Editor, Directions Magazine; location intelligence, geospatial, GIS, runner562 followers | Follow
Steven Johnson
Generalist in a world of specialists, aspiring polymath, erstwhile geospatial integration-ator502 followers | Follow
Jason Birch
Passionate about geospatial technology and the web. Live and work in beautiful Nanaimo.491 followers | Follow
All Points Blog
Feed from Directions Media's All Points Blog "Our Opinion, Your Views of All Things Location" (GIS, GPS, LBS, LI...)463 followers | Follow
Brian Sullivan
City of Greeley GIS Manager, Technology Advocate, GIS Project Manager, Father of Two, Husband458 followers | Follow
Directions Magazine
Feed for new articles from the magazine for All Things Location (GIS, LBS, GPS, geospatial, mapping and Location Intelligence)453 followers | Follow
davescheirer
Laughter is the best medicine. Good wine is a close second. Storyteller (Software Marketeer and Web Producer at ESRI), Lebowski fan. Past: Rocket Scientist442 followers | Follow
Mark Rodrigo
Not Necessarily so Mild Mannered Geographer/GeoSpatial Programmer.427 followers | Follow
Natalia Rybicka
Experian® Marketing Services enables our clients to profitably acquire, retain and grow their customer relationships.390 followers | Follow
CyberCity 3D
CyberCity 3D is a state-of-the-art, 3D geospatial modeling company specializing in emerging GeoWeb solutions for promotion and advertising.389 followers | Follow
Dylan Hettinger
Turning data into information never gets old. Neither does climbing, cycling, GIS or open source tools!383 followers | Follow
ISCIENCES, LLC
ISCIENCES, LLC provides expertise on global data sets, data viewers, and our environment.359 followers | Follow
Jonathan Raper
Academic. Author. Editor. Consultant. CEO. Geek. Bad skier. Dad357 followers | Follow
Bjørn Sandvik
331 followers | Follow
Marc Prioleau
Location services, GPS, wireless, mapping, community development, bike riding sometimes311 followers | Follow
John Reiser
GIS Specialist for Rowan University. Teach, do research, make maps, etc.304 followers | Follow
GeoGraffiti
Enabling people & SMB to record-n-publish Voice Marks - a virtual voice billboard, geotagged to specific point of interest, audible via any mobile phone301 followers | Follow
Open Geospatial
To serve as a global forum for the collaboration of developers and users of spatial data products and services, and to advance the development of international301 followers | Follow
Gordan Redzic
Discussing my many soapboxes, web 2.0, location, computers, fitness, transportation and education299 followers | Follow
Erin Mutch
GIS Consultant/Instructor- goal is low cost usable GIS. Mom who works @ home most of the time.283 followers | Follow
Michael Schlosser
Professional Engineer and experienced geospatial guy focused on CAD/GIS integration and Engineering GIS.256 followers | Follow
Bern Szukalski
ESRI Product Manager and Technical Evangelist, Caver, Photographer253 followers | Follow
Markus Tripp
System Architect for Wikitude mobile augmented reality browser. Server plus Android development. I like sports (skiing, soccer, mountain biking, ...)237 followers | Follow
LocationIntel
Location and geospatial information technology for business and enterprise IT231 followers | Follow
GoogleMapsDev
everything Google Maps, real-time and interactive maps, university campus map, LBS, context in location. Want a map? Connect with one of our proven developers.226 followers | Follow
earthmine inc.
earthmine is indexing reality. We're creating an entirely new datamine about our earth that is open, connected, flexible, immersive and scalable.224 followers | Follow
Location and Timing
Location and Timing is part of Digital Systems KTN, dealing with Position, Navigation and Timing: enabling the 'anything, anywhere, anytime' digital economy221 followers | Follow
Cicero Team
The Geography of Democracy: We tackle projects and research related to gerrymandering / redistricting issues, legislative district matching, and voters' rights206 followers | Follow
Geoff Zeiss
Geoff Zeiss has more than 15 years experience developing enterprise geospatial solutions for the utilities, communications, and public works industries.203 followers | Follow
Geoweb3d Inc.
: Geoweb3d is a new kind of virtual globe. It combines gaming-quality graphics and performance with the full power of a geospatial application.198 followers | Follow
Victoria Kouyoumjian
IT Strategy Architect at ESRI. Focus on Emerging Technology Trends. Southern Calif. Master Gardener; Luvs sharp pencils.190 followers | Follow
geowebguru
News and resources for the GeoSpatial Web; Edited by Richard Marsden190 followers | Follow
Dan Gilmartin
yankee fan livin in boston, marketing where on mobile phones, etc, etc.188 followers | Follow
MundoGEOEnglish
MundoGEO in Twitter - Follow in real time the MundoGEO Web Portal news185 followers | Follow
Bill Emison
Information about Merrick's MARS® software solution - LiDAR visualization, data processing & analysis tools for your enterprise!158 followers | Follow
Spot Image
Geoinformation provider, satellite images, geospatial data, 3D solutions,...155 followers | Follow
TARGUSinfo Summit
Introducing the new face of the Online Lead Quality Summit... the Interactive Insights Summit. October 13-14 at the Wynn Las Vegas.132 followers | Follow
Geog Visualisations
Sharing online geographical visualisation (GIS) resoures, techniques and lesson ideas.115 followers | Follow
David Mountain
Researcher, lecturer and developer interested in GI Science and location-based services108 followers | Follow
Eric Bader
Geographer, Musician, Christ-follower, Java dude, not in that order.107 followers | Follow
TheOpenGeoWeb
91 followers | Follow
Intergraph User Conf
Follow us to get updates on Intergraph's annual users’ conference, dedicated to helping customers move the world forward with our technology.76 followers | Follow
SpatialCloud
Web-based geospatial services with companion open source 3D viewer project71 followers | Follow
Jan Clement
Researcher GIS-Technology specialized creating, managing and exploring large (GRID)datarasters with Oracle and ArcGIS41 followers | Follow
tom_churchill
14 followers | Follow
parcelexplorer
I am a lightweight GIS webapp that helps you find and annotate parcels across the US!11 followers | Follow
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I recommend @GoMobo for @Scobleizer's Geolocation list on Listorious http://bit.ly/2r70Pr because it enables geolocation transactions
By nnglass
