Labels:text | screenshot | font | black and white | number | white | document OCR: Teamsters, Chauffeurs, Warehousemen, and Helpers of America, International Brotherhood of National Education Association 2,000,000 1,600,800 Food and Commercial Workers, United 1,300,000 State, County, and Municipal Employees, American Federation of 1,200,000 United Automobile, Aerospace, and Agricultural Imple- ment Workers of America, International Union 1,197,000 Electrical Workers, International Brotherhood of 1,000,000 Service Employees' International Union 850,000 Machinists and Aerospace Workers, International Assoc. of 800,000 Steelworkers of America, United 750,000 Teachers, American Federation of 715,000 Carpenters and Joiners of America, United Brotherhood of 700,000 Communications Workers of America 650,000 Engineers, International Union of Operating 370,000 Hotel and Restaurant Employees and Bartenders International Union 370,000 Postal Workers Union, American 320,000 Plumbing and Pipefitting Industry of the U.S. and Canada, United Association of Journeymen and Apprentices of the 320,000 Letter Carriers of the United States of America, National Association of 304.000 Printing Trades Association, International Allied 300,000 Clothing and Textile Workers of America, Amalgamated 272,669 Civil Service Employees Association 265,000 Government Employees, American Federation of 250,000 Mine Workers of America, United 240,000 Paperworkers International Union, United 225,000 Retail, Wholesale, and Department Store Union 225,000 Electronic, Electrical, Salaried, Machine, and Furniture Workers, International Union of 200,000 Graphic Communications International Union 200,000 Musicians of the U.S. and Canada, American Fed. of 200,000 School Employees, American Association of Classified 200.000 Government Employees, National Association of 195,000 Transportation Communications International Union 175,000 Source: Encyclopedia of Associations 1991