Federal Grant & Contract Search Engines
Federal Grant Opportunities
Federal Contracting Opportunities
Federal R&D Project Summaries 

Federal Agency Funding Sources
Air Force Office of Scientific Research
Army
Army Research Office
Centers for Disease Control and Prevention
Corporation for National and Community Service
Department of  Agriculture
Department of Commerce
Department of Education
Department of Energy
Department of Health and Human Services
Department of Homeland Security
Department of Justice
Department of State (Fulbright)
Department of Transportation
Environmental Protection Agency
NASA - EPSCoR
National Aeronautics and Space Administration (1)
National Aeronautics and Space Administration (2)
National Archives and Records 
National Endowment for the Arts
National Endowment for the Humanities
National Institute of Allergy and Infectious Diseases
National Institute of Child Health and Human Development
National Institute of Justice
National Institutes of Health (NIH) 
National Institute of Standards and Technology
National Institute on Deafness and other Communication Disorders
National Science Foundation
Office of Extramural Research (NIH funding opportunities, grants policy award data and more)
Office of Naval Research
Smithsonian Institution (Fellows and Interns)
Smithsonian Institution (Research)
U. S. Agency for International Development
U. S. Fish & Wildlife
U. S. Geological Survey

Federal – RECOVERY ACT
Department of  Commerce
Department of  Defense
Department of Energy
Department of Health and Human Services
Department of Justice
Environmental Protection Agency
National Aeronautics and Space Administration
National Endowment for the Arts
National Science Foundation
U.S. Agency for International Development 

State
Oklahoma Arts Council
Oklahoma Center for the Advancement of Technology - OCAST
Oklahoma EPSCoR
Oklahoma Higher Education
Oklahoma Humanities Council
Oklahoma Office of Homeland Security

Other Frequently Visited Funding Sites
Alzheimer’s Association
American Chemical Society
American Diabetes Association
American Heart Association
Dreyfus Foundation
Foundation for Alcohol Research
National Alliance for Research on Schizophrenia and Depression (NARSAD)
U. S. Civilian Research and Development
U. S. Israel Bi-National Science Foundation

Sector-wide Grant Search Engine
Community of Science

(updated May 2009)