| I 46.1 | Bituminous Coal Division (1939-1943) |
| T 19.1 | Board of Examiners (1853-1909) |
| A 32.1 | Board of Food and Drug Inspection (1907-1914) |
| A 16.1 | Board of Labor Employment (1902-1904) |
| MB 1.1 | Board of Mediation (1926-1934) |
| MCB 1.1 | Board of Mediation and Conciliation (1913-1921) |
| Pr 32.5601 | Board of War Communications (1940-1947) |
| I 33.1 | Board on Geographic Names (1934- ) |
| I 44.1 | Bonneville Power Administration (1937-1977) |
| E 5.1 | Bonneville Power Administration (1977- ) |
| HS 4.1 | Border and Transportation Security (2003-2005) |
| B 1.1 | Broadcasting Board of Governors (1999- ) |
| P 23.1 | Building Operations and Supplies Division (1933-1940) |
| P 22.1 | Bureau of Accounts (1921-1949) |
| N 28.1 | Bureau of Aeronautics (1921-1947) |
| M 208.1 | Bureau of Aeronautics (1947-1949) |
| A 77.101 | Bureau of Agricultural and Industrial Chemistry (1943-1953) |
| A 70.1 | Bureau of Agricultural Chemistry and Engineering (1939-1942) |
| A 36.1 | Bureau of Agricultural Economics (1922-1953) |
| A 53.1 | Bureau of Agricultural Engineering (1931-1938) |
| C 23.1 | Bureau of Air Commerce (1934-1938) |
| J 38.1/2 | Bureau of Alcohol, Tobacco, Firearms and Explosives (2003- ) |
| SI 2.1 | Bureau of American Ethnology (1879-?) |
| A 4.1 | Bureau of Animal Industry (1884-1942) |
| L 23.1 | Bureau of Apprenticeship and Training (1956-1975) |
| S 22.102 | Bureau of Arms Control, Verification and Compliance (1999- ) |
| A 5.1 | Bureau of Biological Survey (1905-1939) |
| I 47.1 | Bureau of Biological Survey (1939-1940) |
| A 7.1 | Bureau of Chemistry (1901-1927) |
| A 47.1 | Bureau of Chemistry and Soils (1927-1938) |
| P 24.1 | Bureau of Chief Postal Inspector (1963-1970) |
| HE 20.1801 | Bureau of Community Environmental Management (1970-1972) |
| HE 20.2851 | Bureau of Community Environmental Management (1972-1974) |
| FW 7.1 | Bureau of Community Facilities (1939-1949) |
| C 57.301 | Bureau of Competitive Assessment and Business |
| Policy (1972- 1974) | |
| N 4.1 | Bureau of Construction and Repair (1842-1940) |
| S 23.2 | Bureau of Consular Affairs |
| C 5.1 | Bureau of Corporations (1903-1914) |
| J 15.1 | Bureau of Criminal Identification (1910-1923) |
| A 27.1 | Bureau of Crop Estimates (1914-1921) |
| A 44.1 | Bureau of Dairy Industry (1926-1942) |
| C 41.1 | Bureau of Domestic Commerce (1970-1972) |
| C 57.501 | Bureau of Domestic Commerce (1974-1980) |
| C 56.101 | Bureau of Economic Analysis (1972-1975) |
| C 59.1 | Bureau of Economic Analysis (1975- ) |
| EB 1.1 | Bureau of Efficiency (1916-1933) |
| FS 13.301 | Bureau of Employees' Compensation (1946-1950) |
| L 26.1 | Bureau of Employees' Compensation (1950-1972) |
| FS 3.101 | Bureau of Employment Security (1939-1949) |
| L 7.1 | Bureau of Employment Security (1949-1969) |
| N 19.1 | Bureau of Engineering (1920-1940) |
| T 18.1 | Bureau of Engraving and Printing (1862- ) |
| A 9.1 | Bureau of Entomology (1904-1934) |
| A 56.1 | Bureau of Entomology and Plant Quarantine (1934- 1942) |
| N 5.1 | Bureau of Equipment (1862-1910) |
| C 57.101 | Bureau of Export Development (1977-?) |
| FS 14.201 | Bureau of Family Services (1962-1967) |
| FS 3.301 | Bureau of Federal Credit Unions (1948-1969) |
| HE 3.301 | Bureau of Federal Credit Unions (1970) |
| T 58.1 | Bureau of Federal Supply (1947-1949) |
| P 4.1 | Bureau of Finance (1836-?) |
| C 6.1 | Bureau of Fisheries (1903-1939) |
| I 45.1 | Bureau of Fisheries (1939-1940) |
| C 18.1 | Bureau of Foreign and Domestic Commerce (1912- 1953) |
| S 4.1 | Bureau of Foreign Commerce (1897-1903) |
| HE 21.201 | Bureau of Head Start and Child Service Programs (1970- 1977) |
| HE 20.5101 | Bureau of Health Care Delivery and Assistance (1973- 1983) |
| HE 20.7201 | Bureau of Health Education (1973-1984) |
| HE 20.6701 | Bureau of Health Facilities (1978-?) |
| HE 20.3101 | Bureau of Health Manpower Education (1970-1973) |
| HE 20.5601 | Bureau of Health Personnel Development and Service (1980-?) |
| HE 20.6101 | Bureau of Health Planning (1973-?) |
| HE 20.6601 | Bureau of Health Professions (1975-1983) |
| HE 20.9301 | Bureau of Health Professions (1983- ) |
| A 42.1 | Bureau of Home Economics (1923-1942) |
| T 21.1 | Bureau of Immigration (1891-1903) |
| L 3.1 | Bureau of Immigration (1913-1933) |
| C 7.1 | Bureau of Immigration and Naturalization (1906- 1913) |
| I 20.1 | Bureau of Indian Affairs (1947- ) |
| T 54.1 | Bureau of Industrial Alcohol (1930-1933) |
| C 62.1 | Bureau of Industrial Economics (1980-1984) |
| C 63.1 | Bureau of Industry and Security (1997- ) |
| W 6.1 | Bureau of Insular Affairs (1902-1939) |
| C 48.1 | Bureau of International Business Operations (1961-1963) |
| C 42.1 | Bureau of International Commerce (1963-1972) |
| S 20.2 | Bureau of International Information Programs (1999- ) |
| L 29.1 | Bureau of International Labor Affairs (1959- ) |
| C 49.1 | Bureau of International Programs (1961-1963) |
| J 26.1 | Bureau of Justice Assistance (1978- ) |
| J 29.1 | Bureau of Justice Statistics (1979- ) |
| La 1.1 | Bureau of Labor (1888-1903) |
| C 8.1 | Bureau of Labor (1903-1913) |
| L 16.1 | Bureau of Labor Standards (1948-1971) |
| L 2.1 | Bureau of Labor Statistics (1913- ) |
| HE 20.7401 | Bureau of Laboratories (1973-1984) |
| L 31.1 | Bureau of Labor-Management Reports (1959-1963) |
| I 53.1 | Bureau of Land Management (1946- ) |
| C 9.1 | Bureau of Lighthouses (1910-1939) |
| C 10.1 | Bureau of Manufacturers (1903-1912) |
| C 25.1 | Bureau of Marine Inspection and Navigation (1936-1942) |
| HE 20.4301 | Bureau of Medical Devices (1977-1984) |
| HE 20.5401 | Bureau of Medical Services (1974- ) |
| N 10.1 | Bureau of Medicine and Surgery (1842-1947) |
| M 203.1 | Bureau of Medicine and Surgery (1947-1949) |
| D 206.1 | Bureau of Medicine and Surgery (1949- ) |
| I 28.1 | Bureau of Mines (1910-1925, 1934-1996) |
| C 22.1 | Bureau of Mines (1925-1934) |
| T 56.1 | Bureau of Narcotics (1930-1968) |
| L 6.1 | Bureau of Naturalization (1913-1933) |
| N 17.1 | Bureau of Naval Personnel (1862-1947) |
| M 206.1 | Bureau of Naval Personnel (1947-1949) |
| D 208.1 | Bureau of Naval Personnel (1949- ) |
| D 217.1 | Bureau of Naval Weapons (1959-1966) |
| T 30.1 | Bureau of Navigation (1894-1903) |
| C 11.1 | Bureau of Navigation (1903-1932) |
| HE 20.1601 | Bureau of Occupational Safety and Health (1970-?) |
| I 72.1 | Bureau of Ocean Energy Management; Bureau |
| of Safety and Environmental Enforcement (1982- ) | |
| M 211.1 | Bureau of Ordnance (1947-1949) |
| N 18.1 | Bureau of Ordnance and Hydrography (1842-1947) |
| I 66.1 | Bureau of Outdoor Recreation (1963-1978) |
| I 24.1 | Bureau of Pensions (1849-1930) |
| VA 2.1 | Bureau of Pensions (1930-1931) |
| A 19.1 | Bureau of Plant Industry (1901-1942) |
| A 48.1 | Bureau of Plant Quarantine (1932-1934) |
| HE 20.9101 | Bureau of Primary Health Care (1983- ) |
| HE 22.301 | Bureau of Program Policy (1979-?) |
| J 17.1 | Bureau of Prohibition (1930-1933) |
| A 22.1 | Bureau of Public Roads (1918-1939) |
| GS 3.1 | Bureau of Public Roads (1949) |
| C 37.1 | Bureau of Public Roads (1949-1966) |
| TD 2.101 | Bureau of Public Roads (1967-1969) |
| HE 20.5501 | Bureau of Quality Assurance (1974-?) |
| HE 20.1501 | Bureau of Radiological Health (1970-?) |
| HE 20.4101 | Bureau of Radiological Health (1971-1983) |
| I 27.1 | Bureau of Reclamation (1907- ) |
| W 41.1 | Bureau of Refugees, Freedmen, and Abandoned Lands (1865-1947) |
| C 57.201 | Bureau of Resources and Trade Assistance (1972-?) |
| S 8.1 | Bureau of Rolls and Library (1789-1921) |
| N 29.1 | Bureau of Ships (1940-1947) |
| M 210.1 | Bureau of Ships (1947-1949) |
| A 26.1 | Bureau of Soils (1901-1927) |
| HE 20.1401 | Bureau of Solid Waste Management (1970-?) |
| T 37.1 | Bureau of Statistics (1866-1903) |
| C 14.1 | Bureau of Statistics (1903-1912) |
| N 20.1 | Bureau of Supplies and Accounts (1842-1947) |
| M 213.1 | Bureau of Supplies and Accounts (1947-1949) |
| T 52.1 | Bureau of Supply (1922-1927) |
| T 51.1 | Bureau of the Budget (1921-1939) |
| Pr 32.101 | Bureau of the Budget (1939-1945) |
| Pr 33.101 | Bureau of the Budget (1945-1952) |
| Pr 34.101 | Bureau of the Budget (1953-1961) |
| C 3.1 | Bureau of the Census (1903-1972, 1975- ) |
| C 56.201 | Bureau of the Census (1972-1975) |
| T 63.201 | Bureau of the Public Debt (1940- ) |
| S 11.1 | Bureau of Trade Relations (1903-1912) |
| TD 12.1 | Bureau of Transportation Statistics (1992- ) |
| T 49.1 | Bureau of War Risk Insurance (1914-1921) |
| J 18.1 | Bureau of War Risk Litigation (1933-1945) |
| L 32.1 | Bureau of Work-Training Programs (1967-1969) |
| N 21.1 | Bureau of Yards and Docks (1842-1947) |
| M 205.1 | Bureau of Yards and Docks (1947-1949) |
| C 28.1 | Business Advisory Council (1935-1953) |
