| CMChevron Mm Pascagoula | Pascagoula | MS | Petroleum and Coal Products Manufacturing324110 | — | ◐ LIKELY ACTIVE |
| RNRolls-royce Naval Marine INC | Pascagoula | MS | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| ISIngalls Shipbuilding, Pascagoula Operations | Pascagoula | MS | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| VHVt Halter Marine, Pascagoula Operations | Pascagoula | MS | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| VTVision Technologies Marine, INC. | Pascagoula | MS | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| FCFirst Chemical CORP | Pascagoula | MS | Food Manufacturing311225 | — | ◐ LIKELY ACTIVE |
| MPMississippi Phosphates CORP | Pascagoula | MS | Chemical Manufacturing325312 | — | ◐ LIKELY ACTIVE |
| VHVt Halter Marine INC | Pascagoula | MS | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
Bio-dek LLC | Pascagoula | MS | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| DSDixie Seat Cover Shop INC | Pascagoula | MS | Textile Product Mills314999 | — | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation Pascagoula Campus (1212) | Pascagoula | MS | Computer and Electronic Product Manufacturing334511 | 20-99 | ◐ LIKELY ACTIVE |
| SPSerco - Pascagoula, MS | Pascagoula | MS | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| SPSerco - Pascagoula Wisconsin Loop, MS | Pascagoula | MS | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| SSSignet Shipbuilding & Repair | Pascagoula | MS | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| TMTrident Maritime Systems, LLC | Pascagoula | MS | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |