| Name | Address, Zip |
| Millwrights & Machinery Erectors Local Union 2411 | 9711 E Us Highway 92, 33610-5929 |
| Ibew Locals 543 & 824 - Frontier Communications Training Fund Inc | 6603 E Chelsea St, 33610-5630 |
| Naps Branch 81 | Po Box 26431, 33623-6431 |
| National Active And Retired Federal Employees Association | 4206 W Watrous Ave, 33629-4915 |
| National Active And Retired Federal Employees Association | 10654 Pictorial Park Dr, 33647-2548 |
| International Association Of Sheet Metal Air Rail & Transportation | 5207 Cumberland Dr, 33617-8401 |
| International Association Of Sheet Metal Air Rail & Transportation | 5619 N 50th St, 33610-4805 |
| National Air Traffic Controllers Association | 4180 George J Bean Pkwy, 33607-1400 |
| International Association Of Sheet Metal Air Rail & Transportation | 5619 N 50th St, 33610-4805 |
| International Alliance Theatrical Stage Employees & Moving Picture M | 7211 N Dale Mabry Hwy Ste 209, 33614-2669 |
| International Union Of Bricklayers & Allied Craftworkers | 4502 W Martin Luther King Jr Blvd, 33614 |
| Amalgamated Transit Union | 5118 N 56th St Ste 105, 33610-5481 |
| Amalgamated Transit Union | 104 W Country Club Dr, 33612-5651 |
| American Postal Workers Union Auxiliary | 3515 E 9th Ave, 33605-4411 |
| American Federation Of Labor & Congress Of Industrial Orgs | Po Box 76108, 33675-1108 |
| American Federation Of Teachers | 5126 N Florida Ave, 33603-2154 |
| American Federation Of Government Employees | Po Box 46337, 33646-0103 |
| American Postal Workers Union | 4409 W Alva St, 33614-7638 |
| American Federation Of Labor & Congress Of Industrial Orgs | 5621 Harney Rd, 33610-7115 |
| United Faculty Of Florida- Usf- Graduate Assistants United | 30384 Holly Drive, 33620-0001 |
| Hillsborough County Class Room Teachers Association | 3102 N Habana Ave, 33607-2227 |
| International Association Of Fire Fighters | 5425 N 59th St, 33610-2002 |
| Delta Pilots Association Inc | Po Box 17025, 33682-7025 |
| International Association Of Bridge Structural & Ironworkers | 10201 E Us Highway 92, 33610-5947 |
| International Longshoremens Association | 711 E Harrison St, 33602-3424 |
| Florida Police Benevolent Association | 1302 W Busch Blvd, 33612-7710 |
| International Association Of Fire Fighters | Po Box 291290, 33687-1290 |
| Florida Education Association | Po Box 30238, 33630-3238 |
| National Association Of Letter Carriers | 315 W Busch Blvd Ste C, 33612-7904 |
| International Association Of Fire Fighters | 3116 N Boulevard, 33603-5500 |
| International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth Frgrs & Hlpr | 9725 E Us Highway 92, 33610-5929 |
| International Brotherhood Of Electrical Workers | 5621 Harney Rd, 33610-7115 |
| United Brotherhood Of Carpenters & | 9711 E Us Highway 92, 33610-5929 |
| International Brotherhood Of Electrical Workers | 6603 E Chelsea St, 33610-5630 |
| International Brotherhood Of Teamsters | 5818 E Dr Ml King Jr Blvd, 33619 |
| International Brotherhood Of Electrical Workers | 10108 E Us Highway 92, 33610-5981 |
| International Union Of Elevator Constructors | 7805 Professional Pl, 33637-6745 |
| National Treasury Employees Union | 3848 West Columbus Drive, 33607-5768 |
| Industrial Workers Of The World | 1309 E Osborne Ave, 33603-4235 |
| United Steelworkers | 7205 Chesswood Ct, 33615-2025 |
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