| Business | Phone |
| Compton Engineering Consulting 1706 Convent Ave, Pascagoula 39567 | (228) 762-3970 |
| M & W Engineering-Constructors 3405 Pascagoula St, Pascagoula 39567 | (228) 762-3413 |
| Mc Crory & Williams Inc 1235 Jackson Ave, Pascagoula 39567 | (228) 762-5838 |
| Northrop Grumman Mission Sys 1407 Garfield St, Pascagoula 39567 | (228) 935-4040 |