| Business | Phone |
| Act 13650 Aerospace Way, Jacksonville 32221 | (904) 771-9979 |
| Afscme 5208 N Pearl St, Jacksonville 32208 | (904) 356-4888 |
| Amalgamated Transit Union 1197 1439 W Church St, Jacksonville 32204 | (904) 355-2923 |
| American Postal Workers Union 2927 Lane Ave N, Jacksonville 32254 | (904) 783-9978 |
| Asbestos Workers 3647 Gilmore St, Jacksonville 32205 | (904) 388-1601 |
| United Paper Worker Local 17 E 43rd St, Jacksonville 32208 | (904) 353-3428 |
| United Steelworkers Of America 435 Clark Rd, Jacksonville 32218 | (904) 764-5542 |
| United Steelworkers Of America 580 Ellis Rd S, Jacksonville 32254 | (904) 693-0009 |
| United Transportation Union 11363 San Jose Blvd # 105, Jacksonville 32223 | (904) 268-4420 |
| United Transportation Union 9550 Regency Square Blvd # 904, Jacksonville 32225 | (904) 805-0668 |
| Bakery & Confectionery Workers 2078 N Liberty St, Jacksonville 32206 | (904) 353-5749 |
| Transportation Communication 5885 Richard St, Jacksonville 32216 | (904) 731-4277 |
| Teamsters Local Union 1210 Lane Ave N, Jacksonville 32254 | (904) 786-7971 |
| Bricklayers & Masons Union 145 E 1st St, Jacksonville 32206 | (904) 354-0262 |
| Carpenters' Local 627 4000 Union Hall Pl, Jacksonville 32205 | (904) 387-4471 |
| South Atlantic & Gulf Coast 435 Clark Rd, Jacksonville 32218 | (904) 765-4495 |
| Central N Fl Carpenters Traini 4000 Union Hall Pl, Jacksonville 32205 | (904) 388-7001 |
| Sheet Metal Workers 1435 Naldo Ave, Jacksonville 32207 | (904) 398-1838 |
| Cigar Makers 355 E 17th St, Jacksonville 32206 | (904) 356-8865 |
| Communications Workers-America 4076 Union Hall Pl, Jacksonville 32205 | (904) 384-2222 |
| Seafarers International Union 3315 N Liberty St, Jacksonville 32206 | (904) 353-0987 |
| Duval Teachers United 1601 Atlantic Blvd, Jacksonville 32207 | (904) 396-4063 |
| Northeast Florida Apwu 1157 Kings Rd, Jacksonville 32204 | (904) 354-0344 |
| Northeast Florida Public Emply 550 Balmoral Cir N # 101, Jacksonville 32218 | (904) 757-8444 |
| Operating Engineers 8366 Devoe St, Jacksonville 32220 | (904) 783-6181 |
| Painters & Decorators 8366 Devoe St, Jacksonville 32220 | (904) 731-3828 |
| Painters & Decorators Local 4951 Richard St, Jacksonville 32207 | (904) 731-3828 |
| First Coast Chapter Act 14300 Fang Dr, Jacksonville 32218 | (904) 741-6680 |
| Florida Police Benevoletn 981 University Blvd N, Jacksonville 32211 | (904) 743-9940 |
| National Assn-Letter Carriers 631 Park St, Jacksonville 32204 | (904) 354-8500 |
| National Postal Mail Handlers 8215 Westside Industrial Dr, Jacksonville 32219 | (904) 783-1383 |
| Millwright & Mach Erectors 4000 Union Hall Pl, Jacksonville 32205 | (904) 387-2070 |
| Musicians Association 2030 Schumacher Ave, Jacksonville 32207 | (904) 398-9735 |
| Iatse 3610 River Hall Dr, Jacksonville 32217 | (904) 731-7163 |
| Iatse 9073 Runnymeade Rd, Jacksonville 32257 | (904) 443-0060 |
| Iatse Local 115 4427 Emerson St, Jacksonville 32207 | (904) 399-5201 |
| Ibew 4040 Woodcock Dr # 110, Jacksonville 32207 | (904) 396-0395 |
| Ibew 4951 Richard St, Jacksonville 32207 | (904) 737-7534 |
| Ibew 966 N Liberty St, Jacksonville 32206 | (904) 355-4569 |
| International Association-Mach 277 Tallulah Ave, Jacksonville 32208 | (904) 765-5004 |
| International Longshoremen's 2040 E 21st St, Jacksonville 32206 | (904) 358-1314 |
| International Org-Masters 349 E 20th St, Jacksonville 32206 | (904) 356-0041 |
| Intl Brotherhood-Boilermakers 8374 Devoe St, Jacksonville 32220 | (904) 378-3030 |
| Intl Union Of Elevator Constr 1416 E 14th St, Jacksonville 32206 | (904) 353-2570 |
| Iron Workers 9616 Kentucky St, Jacksonville 32218 | (904) 764-3265 |
| Iron Workers Southeasern Cncl 435 Clark Rd # 108, Jacksonville 32218 | (904) 713-0680 |
| Ironworkers Local 9616 Kentucky St, Jacksonville 32218 | (904) 765-3596 |
| Jacksonville Association Firef 625 Stockton St, Jacksonville 32204 | (904) 384-1011 |