| Business | Phone |
| Ibew 2514 Market St, Pascagoula 39567 | (228) 762-2155 |
| International Association-Mach 2129 Canty St, Pascagoula 39567 | (228) 762-4981 |
| International Longshoremen's 1315 Krebs Ave, Pascagoula 39567 | (228) 762-8311 |
| Office & Pro Employees Intl 502 Delmas Ave, Pascagoula 39567 | (228) 769-0146 |
| Painter's 2941 Market St, Pascagoula 39567 | (228) 762-1806 |
| Pascagoula Metal Trades 805 Ingalls Ave, Pascagoula 39567 | (228) 762-1999 |
| Plumbers & Steamfitters 805 Ingalls Ave, Pascagoula 39567 | (228) 762-2972 |
| United Brotherhood-Carpenters 502 Delmas Ave, Pascagoula 39567 | (228) 769-1548 |