| AAAA |
Associated Actors and Artistes of America |
| ALPA |
Air Line Pilots Association |
| ABG |
Aluminum, Brick and Glass Workers International Union |
| AWIU |
International Association of Heat and Frost Insulators and Asbestos
Workers |
| UAW |
United Automobile, Aerospace and
Agricultral Implement Workers of America Inter. Union |
| BCT |
Bakery, Confectionery and Tobacco Workers Union |
| BSF |
Inter. Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths,
Forgers and Helpers |
| BAC |
International Union
of Bricklayers and Allied Craftsmen |
| UBC |
United Brotherhood of Carpenters and Joiners of America |
| ICWU |
International Chemical Workers Union |
| CWA |
Communications Workers of
America |
| IUE |
International Union of Electronic, Electrical, Salaried, Machine and
Furniture Workers |
| IBEW |
International
Brotherhood of Electrical Workers |
| IUEC |
International Union of Elevator Constructors |
| IUOE |
International Union of Operating Engineers |
| UFW |
United Farm Workers of America |
| IAFF |
International Association of Fire Fighters |
| AFA |
Association of Flight Attendants |
| FEIA |
Flight Engineers' International Association |
| UFCW |
United Food and Commercial Workers
International Union |
| GMP |
Glass, Molders, Pottery, Plastics and Allied Workers International
Union |
| AFGWU |
American Flint Glass Workers Union |
| AFGE |
American Federation of Government Employees |
| AFGM |
American Federation of Grain Millers |
| GCIU |
Graphic Communications International Union |
| -- |
Health and Human Service Employees |
| -- |
International Union of Journeymen Horseshoers of United States and
Canada |
| HERE |
Hotel Employees & Restaurant Employees International Union |
| -- |
Iron Workers, International Association of Bridge, Structural and
Ornamental |
| LIUNA |
Laborers' International Union of North America |
| -- |
Laundry and Dry Cleaning International Union |
| -- |
Leather Goods, Plastics, Novelty and Service Workers' Union |
| NALC |
National Association of Letter Carriers |
| BLE |
Brotherhood of Locomotive Engineers |
| ILA |
International Longshoremen's Association |
| ILWU |
International Longshoremen's and Warehousemen's Union |
| IAM |
International Association of Machinists and Aerospace Workers |
| BMWE |
Brotherhood of Maintenance of Way Employees |
| MEBA |
National Marine Engineers' Beneficial Association |
| MESA |
Mechanics Educational Society of America |
| -- |
Metal Polishers, Buffers, Platers and Allied Workers International
Union |
| UMWA |
United Mine Workers of
America |
| AFM |
American Federation of Musicians of the United States and Canada |
| -- |
National Maritime Union |
| TNG |
The Newspaper Guild |
| -- |
International Union of Allied Novelty and Production Workers |
| OPEIU |
Office and Professional Employees
International Union |
| OCAW |
Oil, Chemical and Atomic Workers International Union |
| PAT |
International Brotherhood of Painters and Allied Trades of the United
States and Canada |
| UPIU |
United Paperworkers International Union |
| -- |
Operative Plasters' and Cement Masons' International Association of
the United States and Canada |
| -- |
International Plate Printers, Die Stampers and Engravers Union of
North America |
| UA |
United Association of Journeymen and Apprentices of the the Plumbing
and Pipe Fitting Industry of the United States and Canada |
| JUPA |
International Union of Police Associations |
| APWU |
American Postal Workers Union |
| -- |
Federation of Professional Athletes |
| IFPTE |
International Federation of Professional and Technical Engineers |
| ARA |
American Radio Association |
| RWDSU |
Retail, Wholesale and Department Store Union |
| -- |
United Union of Roofers, Waterproofers and Allied Workers |
| AFSA |
American Federation of School Administrators |
| SIU |
Seafarers International Union of North America |
| SEIU |
Service Employees International
Union |
| SMWIA |
Sheet Metal Workers International
Association |
| BRS |
Brotherhood of Railroad Signalmen |
| IATSE |
International Alliance of Theatrical Stage Employees and Moving
Picture Machine Operators of the United States and Canada |
| AFSCME |
American Federation of State, County
and Municipal Employees |
| USWA |
United Steelworkers of
America |
| AFT |
American Federation of
Teachers |
| IBT |
International Brotherhood of Teamsters |
| ATDA |
American Train Dispatchers Association |
| ATU |
Amalgamated Transit
Union |
| TWU |
Transport Workers Union of America |
| TCU |
Transportation Communications International Union |
| UNITE |
Union of Needletrades, Industrial
and Textile Employees |
| UTU |
United Transportation Union |
| UWUA |
Utility Workers Union of America |
| GUILD |
Writers Guild of America, East |
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