Organizations

American Congress on Surveying and Mapping
American Society of Photogrammertry and Remote Sensing
Association of American Geographers
Call 811
Homeland Infrastructure Foundation-Level Data Working
    Homeland Security Information Network
International Association of Emergency Managers
International Association of Fire Chiefs
National Association of Counties
National Atlas
National Emergency Management Association
National Fire Protection Association
National States Geographic Information Council
Open Geospatial Consortium
Urban and Regional Information Systems Association

Government Agencies & Offices

Department of Agriculture
    Farm Service Agency
    Forest Service
    Natural Resources Conservation Service
Department of Commerce
    Bureau of the Census
    National Institute of Standards & Technology
    National Oceanic and Atmospheric Administration
        National Geodetic Survey
Department of Defense
    National Geospatial-Intelligence Agency
Department of Homeland Security
    U.S. Coast Guard
    Federal Emergency Management Agency
Department of Interior
    Bureau of Land Management
    Fish and Wildlife Service
    Minerals Management Service
    National Park Service
    US Geological Survey
Department of Transportation
    Bureau of Transportation Statistics
Environmental Protection Agency
Federal Communications Commission
Local Emergency Planning Councils
National Aeronautics and Space Administration

Grants & Initiatives

Fifty States Initiatives
Geospatial Line of Business
Grants
Imagery for the Nation
Metropolitan Medical Response System
State Homeland Security Program
Urban Areas Security Initiative

Educational Institutions

Cornell University
Delta State University
Harvard University - Center for Geographic Analysis
Harvard University - Graduate School of Design