L 1.1: Department of Labor (1913- )
L 2.1: Bureau of Labor Statistics (1913- )
L 3.1: Bureau of Immigration (1913-1933)
L 4.1: Division of Publications and Supplies (1913-1948)
L 5.1: Children's Bureau (1913-1946)
L 6.1: Bureau of Naturalization (1913-1933)
L 7.1: Bureau of Employment Security (1949-1969)
L 8.1: Housing Corporation (1918-1937)
L 9.1: Information and Education Service (1918-1919)
L 10.1: National War Labor Board (1918-1919)
L 11.1: War Labor Policies Board (1918-1919)
L 12.1: Training Service (1918-1919)
L 13.1: Women's Bureau (1920-1971)
L 14.1: Working Conditions Service (1918-1919)
L 15.1: Immigration and Naturalization Service (1933-1940)
L 16.1: Bureau of Labor Standards (1948-1971)
L 17.1: Consumers’ Project (1936-1938)
L 18.1: Public Contracts Division (1936-1942)
L 19.1: Conciliation Service (1938-1947)
L 20.1: Wage and Hour Division (1938-1942)
L 21.1: Office of the Solicitor (1913- )
L 22.1: Wage and Hour and Public Contracts Division (1942- 1971)
L 23.1: Bureau of Apprenticeship and Training (1956-1975)
L 24.1: Retraining and Reemployment Administration (1945-1947)
L 25.1: Office of Veterans' Reemployment Rights (1947-?)
L 26.1: Bureau of Employees' Compensation (1950-1972)
L 27.1: Defense Manpower Administration (1950-1953)
L 28.1: Employees' Compensation Appeals Board (1950- )
L 29.1: Bureau of International Labor Affairs (1959- )
L 30.1: Federal Safety Council (1950-?)
L 31.1: Bureau of Labor-Management Reports (1959-1963)
L 32.1: Bureau of Work-Training Programs (1967-1969)
L 33.1: Unemployment Insurance Service (1969-1975)
L 34.1: Training and Employment Service (1969-1971)
L 35.1: Occupational Safety and Health Administration (1971- )
L 36.1: Employment Standards Administration (1971-2008)
L 36.101: Women's Bureau (1971- )
L 36.201: Wage and Hour Division (1971- )
L 36.301: Office of Federal Employees’ Compensation (1972-1974)
L 36.401: Office of Workers' Compensation Programs (1975- )
L 37.1: Employment and Training Administration (1975- )
L 37.101: Office of Apprenticeship (1975- )
L 37.201: Office of Unemployment Insurance (1975- )
L 37.301: Workforce Investment Office (1975- )
L 38.1: Mine Safety and Health Administration (1978- )
L 39.2: Veteran's Employment & Training Service (1981- )
L 40.2: Employee Benefits Security Administration (1974- )
L 41.2: Disability Employment Policy Office (2001- )
