Administration for Children and Families (ACF)
*****************

http://www.acf.dhhs.gov/acf_working_with.html#grant

Administration on Aging
*****************

http://aoa.gov/doingbus/fundopp/fundopp.asp

Agency for Healthcare Research and Quality (AHRQ)
*****************

http://www.ahcpr.gov/fund/

Air Force Office of Scientific Research (AFOSR)
*****************

http://www.afosr.af.mil/index.html

Army Medical Research Materiel Command (AMRMC)
*****************

https://mrmc-www.army.mil/

Army Research Laboratory (ARL)
*****************

http://www.arl.army.mil/aro/research/index.htm

Centers for Disease Control and Prevention (CDC)
*****************

http://www.cdc.gov/od/pgo/funding/grantmain.htm

Congressionally Directed Medical Research Programs (CDMRP)
*****************

http://cdmrp.army.mil/

Corporation for National and Community Service (Corporation for National Service)
******************

http://www.nationalservice.org/for_organizations/funding/index.asp

Defense Advanced Research Projects Agency (DARPA)
*****************

http://www.darpa.mil/baa/

Dept. of Agriculture (USDA) - Cooperative State Research, Education, and Extension Service (CREES)
*****************

http://www.csrees.usda.gov/fo/funding.cfm

Dept. of Agriculture (USDA)- Economic Research Service (ERS) Food and Nutrition Research Program (FANRP)
*****************

http://www.ers.usda.gov/briefing/FoodNutritionAssistance/

Dept. of Commerce (DOC)
*****************

http://www.commerce.gov/grants.html

Dept. of Defense (DOD) - Basic Research Program
*****************

http://www.acq.osd.mil/ddre/researchtest/index.html

Dept. of Education (US ED)
*****************

http://www.ed.gov/news/fedregister/announce/index.html

Dept. of Energy (DOE)
*****************

http://www.science.doe.gov/grants/

Dept. of Health and Human Services (DHHS)
*****************

http://www.os.dhhs.gov/grants/index.shtml

Dept. of Homeland Security (DHS) - Homeland Security Centers of Excellence Program
*****************

http://www.dhs.gov/dhspublic/display?theme=27&content=3856

Dept. of Housing and Urban Development (HUD)
*****************

http://www.hud.gov/grants/index.cfm

Dept. of Justice (DOJ)
*****************

http://www.ojp.usdoj.gov/nij/funding.htm

Dept. of Labor (DOL)
*****************

http://www.dol.gov/dol/business.htm

Dept. of State (State) *****************

http://www.state.gov/m/a/sdbu/pubs/38384.htm

Dept. of Transportation (DOT) 
*****************

http://www.dot.gov/ost/m60/grant/

Dept. of Veterans Affairs (VA)
*****************

http://www1.va.gov/resdev/

Environmental Protection Agency (EPA)
*****************

http://es.epa.gov/ncer/rfa/

Food and Drug Administration (FDA)
*****************

http://www.fda.gov/oc/ofacs/grants/

Fulbright Scholar Programs
*****************

http://www.iie.org/cies/

Homeland Security Advanced Research Projects Agency (HSARPA)
*****************

http://www.dhs.gov/dhspublic/display?theme=27&content=3220

Institute for Museum and Library Services (IMLS)
*****************

http://www.imls.gov/grants/index.htm

National Academies of Science (NAS)
*****************

http://www4.nationalacademies.org/pga/rap.nsf

National Aeronautics and Space Administration (NASA)
*****************

http://nspires.nasaprs.com/external/

National Endowment for the Arts (NEA)
*****************

http://www.nea.gov/grants/apply/index.html

National Endowment for the Humanities (NEH)
*****************

http://www.neh.fed.us/grants/index.html 

National Historical Publications and Records Commission (NHPRC) [Grantmaking affiliate of the National Archives and Records Administration (NARA)]
*****************

http://www.archives.gov/nhprc/apply/program.html

National Institute of Standards and Technology (NIST)
*****************

http://www.nist.gov/public_affairs/grants.htm

National Institutes of Health (NIH)
*****************

http://grants.nih.gov/grants/guide/index.html

National Oceanic and Atmospheric Administration (NOAA)
*****************

http://www.commerce.gov/grants.html

National Science Foundation (NSF)
*****************

http://www.nsf.gov/funding/browse_all_funding.jsp

National Telecommunications and Infrastructure Administration (NTIA)
*****************

http://www.ntia.doc.gov/top/grants/grants.htm

Office of Naval Research (ONR)
*****************

http://www.onr.navy.mil/

Small Business Administration (SBA)
*****************

http://www.sba.gov/sbir/indexprograms.html

Social Security Administration (SSA)
*****************

http://www.ssa.gov/oag/grants/ssagrant.htm

Substance Abuse and Mental Health Services Administration (SAMHSA)
*****************

http://www.samhsa.gov/grants/index.aspx

US Fish and Wildlife Service (USFWS) *****************

http://www.fws.gov/grants/

US Geological Survey (USGS)

http://www.usgs.gov/contracts/grants/