A listing of unions with 25,000 or more members.

 

Actors' Equity Association
165 W. 46th Street
New York, NY 10036
(212) 869-8530
Amalgamated Clothing and Textile Workers Union
15 Union Square
New York, NY 10003
(212) 242-0700
Amalgamated Transit Union
5025 Wisconsin Avenue, NW
Washington, DC 20016
(202) 537-1645
American Association of University Professors
1012 14th Street, NW, Suite 500
Washington, DC 20005
(202) 737-5900
American Federation of Government Employees
80 F Street, NW
Washington, DC 20001
(202) 737-8700
American Federation of Grain Millers
4949 Olson Memorial Highway
Minneapolis, MN 55422
(612) 545-0211
American Federation of Musicians of the United States and Canada
1501 Broadway, Suite 600
New York, NY 10036
(212) 869-1330
American Federation of State, County and Municipal Employees
1625 L Street, NW
Washington, DC 20036
(202) 429-1000
American Federation of Teachers
555 New Jersey Avenue, NW
Washington, DC 20001
(202) 879-4400
American Federation of Television and Radio Artists
260 Madison Avenue, Seventh Floor
New York, NY 10016
American Nurses' Association
600 Maryland Avenue, SW, Suite 100 West
Washington, DC 20024
(202) 651-7000
American Postal Workers Union
1300 L Street, NW
Washington, DC 20005
(202) 842-4200
Associated Actors and Artistes of America
165 West 46th Street
New York, NY 10036
(212) 869-0358
Association of Flight Attendants
1625 Massachusetts Avenue, NW
Washington, DC 20036
(202) 328-5400
Brotherhood of Locomotive Engineers
Standard Building
1370 Ontario Street
Cleveland, OH 44113
(216) 241-2630
Brotherhood of Maintenance of Way Employees
12050 Woodward Avenue
Detroit, MI 48203
(313) 868-0490
California School Employees Association
2045 Lundy Avenue
P.O. Box 640
San Jose, CA 95106
(408) 263-8000
Civil Service Employees Association
143 Washington Avenue
Albany, NY 12210
(518) 434-0191
Communications Workers of America
501 Third Street, NW
Washington, DC 20001
(202) 434-1100
Federation of Nurses and Health Professionals
555 New Jersey Avenue, NW
Washington, DC 20001
(202) 879-4491
Graphic Communications International Union
1900 L Street, NW
Washington, DC 20001
(202) 462-1400
International Air Line Pilots Association
1625 Massachusetts Avenue, NW
Washington, DC 20036
(202) 797-4010
International Alliance of Theatrical Stage Employees and Moving Picture Machine Operators of the United States and Canada
1515 Broadway, Suite 601
New York, NY 10036
(212) 730-1770
International Association of Bridge, Structural and Ornamental Iron Workers
1750 New York Avenue, NW, Suite 400
Washington, DC 20006
(202) 383-4800
International Association of Fire Fighters
1750 New York Avenue, NW, Suite 400
Washington, DC 20006
(202) 737-8484
International Association of Machinists and Aerospace Workers
9000 Machinists Place
Upper Marlboro, MD 20772
(301) 967-4500
International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers
753 State Avenue
Kansas City, KS 66101
(913) 371-2640
International Brotherhood of Electrical Workers
1125 15th Street, NW
Washington, DC 20005
(202) 833-7000
International Brotherhood of Firemen and Oilers
1100 Circle 75 Parkway, Suite 350
Atlanta, GA 30339
(404) 933-9104
International Brotherhood of Painters and Allied Trades of the United States and Canada
1750 New York Avenue, NW
Washington, DC 20006
(202) 637-0700
International Brotherhood of Painters and Allied
Trades of the United States and Canada
1750 New York Avenue, NW
Washington, DC 20006
(202) 637-0700
International Brotherhood of Teamsters
25 Louisiana Avenue, NW
Washington, DC 20001
(202) 624-6800
International Chemical Workers Union
1655 W. Market Street
Akron, OH 44313
(216) 867-2444
International Ladies' Garment Workers' Union
1710 Broadway
New York, NY 10019
(212) 265-7000
International Longshoremen's and Warehousemen's Union
1188 Franklin Street
San Francisco, CA 94109
(415) 775-0533
International Union of Allied Industrial Workers of America
3520 W. Oklahoma Avenue
P.O. Box 343913
Milwaukee, WI 53215
(414) 645-9500
International Union of Aluminum, Brick and Glass Workers
3362 Hollenberg Drive
Bridgeton, MO 63044
(314) 739-6142
International Union of Bakery, Confectionery and Tobacco Workers
10401 Connecticut Avenue
Kensington, MD 20895
(301) 933-8600
International Union of Bricklayers and Allied Craftsmen
815 15th Street, NW
Washington, DC 20005
(202) 783-3788
International Union of Electronic, Electrical, Salaried, Machine and Furniture Workers
1126 16th Street, NW
Washington, DC 20036
(202) 296-1201
International Union of Glass, Molders, Pottery, Plastics and Allied Workers
608 E. Baltimore Pike
P.O. Box 607
Media, PA 19063
(610) 565-5051
International Union of Hotel Employees and Restaurant Employees
1219 28th Street, NW
Washington, DC 20007
(202) 393-4373
International Union of Operating Engineers
1125 17th Street, NW
Washington, DC 20036
(202) 429-9100
International Union of Police Associations
1016 Duke Street
Alexandria, VA 22314
(703) 549-7473
International Union of United Automobile, Aerospace and Agricultural Implement Workers of America
8000 E. Jefferson Avenue
Detroit, MI 48214
(313) 926-5000
International Woodworkers of America
25 Cornell Avenue
Gladstone, OR 97027
(503) 656-1475
Laborers' International Union of North America
905 16th Street, NW
Washington, DC 20006
(202) 737-8320
National Association of Letter Carriers
100 Indiana Avenue, NW
Washington, DC 20001
(202) 393-4695
National Education Association
1201 16th Street, NW
Washington, DC 20036
(202) 833-4000
National Federation of Federal Employees
1016 16th Street, NW
Washington, DC 20036
(202) 862-4400
National Fraternal Order of Police
1410 Donelson Pike, Suite A-17
Nashville, TN 37217
(615) 399-0900
National Marine Engineers' Beneficial Association
444 N. Capitol Street, NW, Suite 800
Washington, DC 20001
(202) 638-5355
National Rural Letter Carriers' Association
1448 Duke Street
Alexandria, VA 22314
(703) 684-5545
National Treasury Employees Union
901 E Street, NW
Washington, DC 20004
(202) 783-4444
National Union of Hospital and Health Care
Employees
505 Eighth Avenue
New York, NY 10018
(212) 239-3590
The Newspaper Guild
8611 Second Avenue
Silver Spring, MD 20910
(301) 585-2990
Office and Professional Employees International Union
265 West 14th Street, Suite 610
New York, NY 10011
(212) 675-3210
Oil, Chemical and Atomic Workers International Union
 P.O. Box 281200
Denver, CO 80228
(303) 987-2229
Operative Plasterers' and Cement Masons' International Association of the United States and Canada
1125 17th Street, NW
Washington, DC 20036
(202) 393-6569
Retail, Wholesale and Department Store Union
30 East 29th Street
New York, NY 10016
(212) 684-5300
Screen Actors Guild
7065 Hollywood Boulevard
Hollywood, CA 90028
(213) 465-4600
Service Employees' International Union
1313 L Street, NW
Washington, DC 20005
(202) 898-3200
Sheet Metal Workers' International Association
1750 New York Avenue, NW
Washington, DC 20006
(202) 783-5880
State Employees Association of North Carolina
P.O. Drawer 27727
Raleigh, NC 27611
(919) 833-6436
Transport Workers Union of America
80 West End Avenue
New York, NY 10023
(212) 873-6000
Transportation Communications International Union
3 Research Place
Rockville, MD 20850
(301) 948-4910
United Brotherhood of Carpenters and Joiners of America
101 Constitution Avenue, NW
Washington, DC 20001
(202) 546-6206
United Electrical, Radio and Machine Workers of America
2400 Oliver Building
535 Smithfield Street
Pittsburgh, PA 15222
(412) 471-8919
United Food and Commercial Workers International Union
1775 K Street, NW
Washington, DC 20006
(202) 223-3111
United Mine Workers of America
900 15th Street, NW
Washington, DC 20005
(202) 842-7200
United Paperworkers International Union
3340 Perimeter Hill Drive
Nashville, TN 37211
(615) 834-8590
United Rubber, Cork, Linoleum and Plastic Workers of America
570 White Pond Drive
Akron, OH 44320
(216) 869-0320
United Steelworkers of America
5 Gateway Center
Pittsburgh, PA 15222
United Transportation Union
146000 Detroit Avenue
Cleveland, OH 44107
(216) 228-9400
Utility Workers of America
815 16th Street, NW, Room 605
Washington, DC 20006
(202) 347-8105