US Federal 

• Executive branch
• Legislative branch
• Judicial branch
• Alphabetical list of organizations

• Internal Revenue Service (IRS) 
• Social Security Administration
• U.S. Census Bureau

• Administration on Aging (AoA)
• Administration for Children and Families (ACF)
• Administrative Committee of the Federal Register
• Administrative Office of the U.S. Courts
• Advisory Commission on Intergovernmental Relations
• Advisory Council on Historic Preservation
• Agency for Healthcare Research and Quality (AHRQ)
• Agency for International Development
• Agency for Toxic Substances and Disease Registry
• Agricultural Marketing Service
• Agricultural Research Service
• Agriculture Department (USDA)
• Air Force
• American Battle Monuments Commission
• AMTRAK (National Railroad Passenger Corporation)
• Animal and Plant Health Inspection Service
• Appalachian Regional Commission
• Architect of the Capitol
• Architectural and Transportation Barriers Compliance Board (Access Board)
• Arctic Research Commission
• Armed Forces Retirement Home
• Arms Control and International Security
• Army
• Arthritis and Musculoskeletal Interagency Coordinating Committee

B

• Barry M. Goldwater Scholarship and Excellence in Education Foundation
• Bilingual Education and Minority Languages Affairs Office
• Botanic Garden
• Broadcasting Board of Governors (Voice of America, Radio/TV Marti and more)
• Bureau of Alcohol, Tobacco and Firearms (ATF)
• Bureau of the Census
• Bureau of Economic Analysis (BEA)
• Bureau of Engraving and Printing
• Bureau of Indian Affairs (BIA)
• Bureau of International Labor Affairs
• Bureau of Labor Statistics
• Bureau of Land Management (BLM)
• Bureau of Public Debt
• Bureau of Reclamation
• Bureau of Transportation Statistics

C

• Center for Nutrition Policy and Promotion
• Centers for Disease Control and Prevention (CDC)
• Centers for Medicare & Medicaid Services (formerly the Health Care Financing Administration)
• Central Intelligence Agency (CIA)
• Chief Financial Officers Council
• Chief Information Officers Council
• Citizens' Stamp Advisory Committee
• Civilian Radioactive Waste Management
• Coast Guard
• Commerce Department
• Commission of Fine Arts
• Commission on Civil Rights
• Commission on International Religious Freedom
• Committee for the Implementation of Textile Agreements
• Committee for Purchase from People Who Are Blind or Severely Disabled
• Commodity Futures Trading Commission
• Community Development Office (Agriculture Department)
• Community Oriented Policing Services (COPS)
• Community Planning and Development
• Comptroller of the Currency Office
• Congressional Budget Office (CBO)
• Consumer Product Safety Commission (CPSC)
• Cooperative State Research, Education and Extension Service
• Coordinating Council on Juvenile Justice and Delinquency Prevention
• Corporation for National and Community Service
• Council of Economic Advisers
• Council on Environmental Quality
• Court of Appeals for the Armed Forces
• Court of Appeals for the Federal Circuit
• Court of Appeals for Veterans Claims
• Court of Federal Claims
• Court of International Trade
• Critical Infrastructure Assurance Office
• Customs Service

D

• Defense Advanced Research Projects Agency (DARPA)
• Defense Commissary Agency
• Defense Contract Audit Agency
• Defense Contract Management Agency
• Defense Department (DoD)
• Defense Field Activities
• Defense Finance and Accounting Service (DFAS)
• Defense Information Systems Agency (DISA)
• Defense Intelligence Agency
• Defense Legal Services Agency
• Defense Logistics Agency (DLA)
• Defense Nuclear Facilities Safety Board
• Defense Security Cooperation Agency
• Defense Security Service
• Defense Threat Reduction Agency
• Delaware River Basin Commission
• Department of Agriculture (USDA)
• Department of Commerce
• Department of Defense (DoD)
• Department of Education
• Department of Energy
• Department of Health and Human Services (HHS)
• Department of Housing and Urban Development (HUD)
• Department of the Interior
• Department of Justice
• Department of Labor (DoL)
• Department of State
• Department of Transportation (DOT)
• Department of the Treasury
• Department of Veterans Affairs (VA)
• Disability Employment Policy Office
• Domestic Policy Council
• Drug Enforcement Administration (DEA)

E

• Economic, Business and Agricultural Affairs (State Department)
• Economic and Statistics Administration
• Economic Development Administration
• Economic Research Service
• Education Department
• Educational Research and Improvement
• Elementary and Secondary Education
• Employment and Training Administration (Labor Department)
• Employment Standards Administration
• Endangered Species Committee
• Energy Department
• Energy Efficiency and Renewable Energy
• Energy Information Administration
• Enforcement (Treasury Department)
• Environment, Safety and Health
• Environmental Management (Energy Department)
• Environmental Protection Agency (EPA)
• Equal Employment Opportunity Commission (EEOC)
• Executive Office for Immigration Review
• Export Administration
• Export-Import Bank of the United States

F

• Fair Housing and Equal Opportunity
• Faith-Based and Community Initiatives Office
• Farm Credit Administration
• Farm Service Agency
• Federal Accounting Standards Advisory Board
• Federal Aviation Administration (FAA)
• Federal Bureau of Investigation (FBI)
• Federal Bureau of Prisons
• Federal Communications Commission (FCC)
• Federal Credit Policy Working Group
• Federal Deposit Insurance Corporation (FDIC)
• Federal Election Commission
• Federal Emergency Management Agency (FEMA)
• Federal Energy Regulatory Commission
• Federal Executive Boards
• Federal Financial Institutions Examination Council
• Federal Financial Managers Council
• Federal Financing Bank
• Federal Highway Administration
• Federal Housing Enterprise Oversight
• Federal Housing Finance Board
• Federal Interagency Committee for the Management of Noxious and Exotic Weeds
• Federal Interagency Council on Statistical Policy
• Federal Judicial Center
• Federal Labor Relations Authority
• Federal Laboratory Consortium for Technology Transfer
• Federal Law Enforcement Training Center
• Federal Library and Information Center Committee
• Federal Maritime Commission
• Federal Mediation and Conciliation Service
• Federal Mine Safety and Health Review Commission
• Federal Motor Carrier Safety Administration
• Federal Railroad Administration
• Federal Reserve System
• Federal Retirement Thrift Investment Board
• Federal Trade Commission (FTC)
• Federal Transit Administration
• Financial Management Service (Treasury Department)
• Fish and Wildlife Service
• Food and Drug Administration (FDA)
• Food and Nutrition Service
• Food, Nutrition and Consumer Services
• Food Safety and Inspection Service
• Foreign Agricultural Service
• Foreign Claims Settlement Commission
• Forest Service
• Fossil Energy
• Fulbright Foreign Scholarship Board

G

• General Accounting Office (GAO)
• General Services Administration (GSA)
• Geological Survey (USGS)
• Global Affairs (State Department)
• Government Printing Office (GPO)
• Government National Mortgage Association
• Grain Inspection, Packers and Stockyards Administration

H

• Harry S. Truman Scholarship Foundation
• Health and Human Services Department (HHS)
• Health Resources and Services Administration
• Holocaust Memorial Museum
• Homeland Security Office
• House of Representatives
• House Leadership Offices
• House Office of Inspector General
• House Office of the Clerk
• House of Representatives Committees
• House Organizations, Commissions and Task Forces
• House Representatives on the Web
• Housing and Urban Development Department (HUD)
• Housing

I

• Illinois and Michigan Canal National Heritage Corridor Commission
• Immigration and Naturalization Service (INS)
• Indian Arts and Crafts Board
• Indian Health Service
• Industrial College of the Armed Forces
• Information Resource Management College
• Institute of Museum and Library Services
• Institute of Peace
• Interagency Alternative Dispute Resolution Working Group
• Interagency Commission on Crime and Security in U.S. Seaports
• Interagency Electronic Grants Committee
• Inter-American Foundation
• Interior Department
• Internal Revenue Service (IRS)
• International Broadcasting Bureau (IBB)
• International Trade Administration (ITA)

J

• James Madison Memorial Fellowship Foundation
• Japan-United States Friendship Commission
• Joint Board for the Enrollment of Actuaries
• Joint Chiefs of Staff
• Joint Forces Staff College
• Judicial Circuit Courts of Appeal, by Geographic Location and Circuit
• Justice Department
• Justice Programs Office (Juvenile Justice, Victims of Crime, Violence Against Women and more)

L

• Labor Department (DoL)
• Lead Hazard Control (Housing and Urban Development Department)
• Legal Services Corporation
• Library of Congress

M

• Marine Corps
• Maritime Administration
• Marketing and Regulatory Programs (Agriculture Department)
• Marshals Service
• Medicare Payment Advisory Commission (formerly the Physician Payment Review Commission and the Prospective Payment Assessment Commission)
• Merit Systems Protection Board
• Migratory Bird Conservation Commission
• Mine Safety and Health Administration
• Mineral Management Service
• Minority Business Development Agency
• Mint
• Missile Defense Agency
• Mississippi River Commission
• Morris K. Udall Foundation: Scholarship and Excellence in National Environmental Policy
• Multifamily Housing Office

N

• National Aeronautics and Space Administration (NASA)
• National Agricultural Statistics Service
• National AIDS Policy Office
• National Archives and Records Administration (NARA)
• National Bioethics Advisory Commission
• National Bipartisan Commission on the Future of Medicare
• National Capital Planning Commission
• National Cemetery Administration (Veterans Affairs Department)
• National Commission on Libraries and Information Science
• National Communications System (Defense Department)
• National Council on Disability
• National Credit Union Administration
• National Defense University
• National Drug Intelligence Center
• National Economic Council
• National Education Goals Panel
• National Endowment for the Arts
• National Endowment for the Humanities
• National Gambling Impact Study Commission
• National Guard
• National Highway Traffic Safety Administration
• National Imagery and Mapping Agency
• National Institutes of Health (NIH)
• National Interagency Fire Center
• National Labor Relations Board
• National Laboratories (Energy Department)
• National Mediation Board
• National Nuclear Security Administration
• National Oceanic and Atmospheric Administration (NOAA)
• National Park Foundation
• National Park Service
• National Railroad Passenger Corporation (AMTRAK)
• National Science Foundation
• National Security Agency/Central Security Service
• National Security Council
• National Telecommunications and Information Administration
• National Transportation Safety Board
• National War College
• Natural Resources Conservation Service
• Navajo and Hopi Relocation Commission
• Navy
• Northwest Power Planning Council
• Nuclear Energy, Science and Technology
• Nuclear Regulatory Commission
• Nuclear Waste Technical Review Board

O

• Occupational Safety & Health Administration (OSHA)
• Occupational Safety and Health Review Commission
• Office of Compliance
• Office of Government Ethics
• Office of Management and Budget (OMB)
• Office of National Drug Control Policy (ONDCP)
• Office of Personnel Management
• Office of Science and Technology Policy
• Office of Scientific and Technical Information
• Office of Special Counsel
• Office of Thrift Supervision
• Online Opinions for all U.S. Circuit Courts via FindLaw
• Overseas Private Investment Corporation

P

• Panama Canal Commission
• Pardon Attorney Office
• Parole Commission (Justice Department)
• Patent and Trademark Office
• Peace Corps
• Pension and Welfare Benefits Administration
• Pension Benefit Guaranty Corporation
• Policy Development and Research (Housing and Urban Development Department)
• Political Affairs (State Department)
• Postal Rate Commission
• Postal Service (USPS)
• Postsecondary Education
• Power Administrations
• Presidential Task Force on Employment of Adults with Disabilities
• President's Council on Integrity and Efficiency
• President's Foreign Intelligence Advisory Board
• Presidio Trust
• Public Diplomacy and Public Affairs (State Department)
• Public and Indian Housing

R

• Railroad Retirement Board
• Regulatory Information Service Center
• Research, Education and Economics (Agriculture Department)
• Research and Special Programs Administration (Transportation Department)
• Risk Management Agency (Agriculture Department)
• Rural Business-Cooperative Service
• Rural Development
• Rural Housing Service
• Rural Utilities Service

S

• Saint Lawrence Seaway Development Corporation
• Science Office (Energy Department)
• Secret Service
• Securities and Exchange Commission (SEC)
• Selective Service System
• Senate
• Senate Committees
• Senate Leadership
• Senators on the Web
• Small Business Administration (SBA)
• Smithsonian Institution
• Social Security Administration (SSA)
• Social Security Advisory Board
• Special Education and Rehabilitative Services
• State Department
• State Justice Institute
• Stennis Center for Public Service
• Student Financial Assistance Programs
• Substance Abuse and Mental Health Services Administration
• Supreme Court of the United States
• Surface Mining, Reclamation and Enforcement
• Surface Transportation Board
• Susquehanna River Basin Commission

T

• Tax Court
• Technology Administration
• Tennessee Valley Authority
• Trade and Development Agency
• Trade Policy Staff Committee (House of Representatives)
• Transportation Department (DoT)
• Transportation Security Administration
• Treasury Department
• Trustee Program (Justice Department)

U

• U.S. International Information Program
• U.S. International Trade Commission
• U.S. Mission to the United Nations
• U.S. National Central Bureau - Interpol (Justice Department)
• U.S. Sentencing Commission
• U.S. Trade Deficit Review Commission
• U.S. Trade Representative
• Unified Combatant Commands (Defense Department)
• Uniformed Services University of the Health Sciences

V

• Veterans Affairs Department (VA)
• Veterans Benefits Administration
• Veterans Day National Committee
• Veterans' Employment and Training Service
• Veterans Health Administration
• Vocational and Adult Education

W

• White House
• White House Commission on Presidential Scholars
• White House Office of Administration
• Women's Bureau (Labor Department)