| Community Living Administration | | Health and Human Services Department | 0 |
| Community Development Financial Institutions Fund | CDFI | Treasury Department | 0 |
| Commodity Futures Trading Commission | CFTC | | 5 |
| Commodity Credit Corporation | CCC | Agriculture Department | 0 |
| Committee for the Implementation of Textile Agreements | CITA | | 0 |
| Committee for Purchase From People Who Are Blind or Severely Disabled | CPPBSD | | 3 |
| Commission on the Social Security Notch Issue | | | 0 |
| Commission on the Future of the United States Aerospace Industry | | | 0 |
| Commission on the Bicentennial of the United States Constitution | | | 0 |
| Commission on the Advancement of Federal Law Enforcement | | | 0 |
| Commission on Structural Alternatives for the Federal Courts of Appeals | | | 0 |
| Commission on Review of Overseas Military Facility Structure of the United States | | | 0 |
| Commission on Protecting and Reducing Government Secrecy | | | 0 |
| Commission on Immigration Reform | CIR | | 0 |
| Commission of Fine Arts | CFA | | 1 |
| Commercial Space Transportation Office | AST | Transportation Department | 0 |
| Commerce Department | DOC | | 78 |
| Coast Guard | USCG | Homeland Security Department | 20 |
| Civil Rights Commission | CRC | | 2 |
| Civil Rights Cold Case Records Review Board | CRCCRRB | | 2 |
| Christopher Columbus Quincentenary Jubilee Commission | Christopher Columbus Quincentenary Jubilee Commission | | 0 |
| Children and Families Administration | ACF | Health and Human Services Department | 5 |
| Child Support Enforcement Office | CSEO | Health and Human Services Department | 0 |
| Chemical Safety and Hazard Investigation Board | CSB | | 0 |
| Central Intelligence Agency | CIA | | 0 |
| Centers for Medicare & Medicaid Services | CMS | Health and Human Services Department | 7 |
| Centers for Disease Control and Prevention | CDC | Health and Human Services Department | 6 |
| Census Monitoring Board | | | 0 |
| Census Bureau | USBC | Commerce Department | 1 |
| Bureau of the Fiscal Service | | Treasury Department | 0 |
| Broadcasting Board of Governors | BBG | | 0 |
| Bonneville Power Administration | BPA | Energy Department | 0 |
| Board of Directors of the Hope for Homeowners Program | HOPE | | 0 |
| Bipartisan Commission on Entitlement and Tax Reform | | | 0 |
| Benefits Review Board | BRB | Labor Department | 0 |
| Barry M. Goldwater Scholarship and Excellence in Education Foundation | BGSEEF | | 0 |
| Assassination Records Review Board | | | 0 |
| Army Department | USA | Defense Department | 0 |
| Arms Control and Disarmament Agency | ACDA | | 0 |
| Armed Forces Retirement Home | AFRH | | 0 |
| Arctic Research Commission | ARCTIC | | 0 |
| Architectural and Transportation Barriers Compliance Board | ATBCB | | 0 |
| Architect of the Capitol | AOC | | 0 |
| Appraisal Subcommittee of the Federal Financial Institutions Examination Council | ASCFFIEC | | 0 |
| Appalachian States Low-Level Radioactive Waste Commission | APPAL | | 0 |
| Appalachian Regional Commission | ARC | | 0 |
| Antitrust Modernization Commission | AMC | | 0 |
| Antitrust Division | ANTITRUST | Justice Department | 0 |
| Animal and Plant Health Inspection Service | APHIS | Agriculture Department | 3 |
| Amtrak Reform Council | ARC | | 0 |
| American Battle Monuments Commission | ABMC | | 0 |
| Alcohol, Tobacco, Firearms, and Explosives Bureau | ATF | Justice Department | 0 |
| Alcohol and Tobacco Tax and Trade Bureau | TTB | Treasury Department | 0 |
| Alaska Power Administration | APA | Energy Department | 0 |
| Air Transportation Stabilization Board | ATSB | | 0 |
| Air Quality National Commission | NCAQ | | 0 |
| Air Force Department | USAF | Defense Department | 0 |
| Agriculture Department | USDA | | 16 |
| Agricultural Research Service | ARS | Agriculture Department | 0 |
| Agricultural Marketing Service | AMS | Agriculture Department | 5 |
| Aging Administration | AOA | Health and Human Services Department | 0 |
| Agency for Toxic Substances and Disease Registry | ATSDR | Health and Human Services Department | 0 |
| Agency for International Development | USAID | | 0 |
| Agency for Healthcare Research and Quality | AHRQ | Health and Human Services Department | 0 |
| Advocacy and Outreach Office | OAO | Agriculture Department | 0 |
| Advisory Council on Historic Preservation | ACHP | | 0 |
| Administrative Office of United States Courts | AO | | 0 |
| Administrative Conference of the United States | ACUS | | 0 |
| Administration Office, Executive Office of the President | OA | Executive Office of the President | 0 |
| ACTION | ACTION | | 0 |