| Business | Phone |
| West Palm Beach Assn-Frfghtrs 2801 Tuxedo Ave, West Palm Beach 33405 | (561) 478-1466 |
| Teamsters Local Union 769 1003 Belvedere Rd, West Palm Beach 33405 | (561) 838-5608 |
| Seiu Local 1227 937 Belvedere Rd, West Palm Beach 33405 | (561) 366-9513 |
| Roofer's Local Union 1003 Belvedere Rd, West Palm Beach 33405 | (561) 832-8269 |
| Professional Firefighters 2328 S Congress Ave # 2c, West Palm Beach 33406 | (561) 969-0729 |
| Amalgamated Transit Union 1577 1003 Belvedere Rd, West Palm Beach 33405 | (561) 655-3315 |
| Plumbers Air Conditioning Mech 1900 N Florida Mango Rd, West Palm Beach 33409 | (561) 689-8400 |
| American Postal Workers Union 2190 Zip Code Pl, West Palm Beach 33409 | (561) 640-3699 |
| American Postal Workers Union 3200 Summit Blvd, West Palm Beach 33416 | (561) 478-9115 |
| National Mail Handlers Union 3200 Summit Blvd, West Palm Beach 33416 | (561) 478-4944 |
| Carpenters 1810 Old Okeechobee Rd, West Palm Beach 33409 | (561) 686-2626 |
| Local 1991 1233 45th St, West Palm Beach 33407 | (561) 842-7311 |
| Communications Workers-America 594 1st St, West Palm Beach 33413 | (561) 684-4848 |
| Laborers International Union 2539 Old Okeechobee Rd # 2, West Palm Beach 33409 | (561) 689-4800 |
| Ibew 927 Belvedere Rd, West Palm Beach 33405 | (561) 833-2461 |