• Department of Commerce (Home Page)
• National Institute of Standards & Technology (NIST)
• National Oceanic and Atmospheric Administration (NOAA) 
• NOAA Grants Online
• NOAA - Sea Grants Program

• General Info & Notices
• Department of Defense (Home Page)
• Air Force Office of Scientific Research (AFOSR)
• Army Research Office (ARO)
• Congressionally Directed Medical Research Programs (CDMRP) 
• Defense Advanced Research Projects Agency (DARPA)
• Naval Command Control & Ocean Surveillance Center RDT&E Division (NRaD)
• The Naval Research Laboratory (NRL)
• Office of Naval Research (ONR)
• U.S. Air Force (USAF)

• Department of Education

• Department of Energy
• Industry Interactive Procurement System (IIPS)

• Department of Health and Human Services (Home Page)
• Centers for Disease Control and Prevention (CDC)

• Department of Housing and Urban Development

• Department of Justice

• Department of the Interior
• National Park Service
• US Geological Survey

• Department of Transportation (Home Page)
• Federal Aviation Administration (FAA)

• Environmental Protection Agency

• General Services Administration

• National Aeronautics and Space Administration  Headquarters (Home Page)
• NASA's Grant and Cooperative Agreement Handbook

• National Endowment for the Arts

• National Endowment for the Humanities

• General Info & Notices
• National Institute of Health (Home Page)
• Institute, Centers & Offices
• eRA Commons Electronic Submission Process
• eRA Commons Errors and Warnings
• eRA Commons - Avoiding Common Errors
• eRA Commons FAQ's

• National Institute of Justice

• General Info & Notices
• National Science Foundation (Home Page)

• Small Business Administration

• General Info & Notices
• USAID (Home Page)
• Higher Education for Development
• USAID Education & Universities
• USAID Global Development Alliance
• USAID’s Business Forecasts

• General Info & Notices
• US Department of Agriculture
• Forrest Service

• Catalog of Federal Domestic Assistance

The CFDA lists all assistance (grants) programs available through the federal government: programs, projects, services, and activities that provide assistance or benefits to the public.

• Commerce Business Daily

The CBD lists notices of proposed government procurement actions over $25,000, contract awards, sales of government property, and other procurement information. A new edition of the CBD is issued every business day. Each edition contains approximately 500-1,000 notices. Each notice appears in the CBD only once.

• The Federal Register

The FR is the official daily publication for rules, proposed rules, and notices of federal agencies and organizations, including announcements of grant programs, as well as Executive Orders and other Presidential documents. This site provides a searchable database.

• Portals to Federal Agencies

There are several sites that offer a comprehensive listing of links to federal agency web sites. One of the best can be found at  the Federal Portal  , an Internet grants management portal serving the grantee organization community.