| BTBrimmer Turan Foundry and Machine Shop | Gulfport | MS | Primary Metal Manufacturing331524 | 1-19 | ◇ UNVERIFIED |
| 1A1108th Avcrad | Gulfport | MS | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| ARAmerican Ready Mix LLC | Gulfport | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BEBlacklidge Emulsions INC | Gulfport | MS | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| BPBond Paving Company Inc, Gulfport | Gulfport | MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CFCavenham Forest Industries, LLC | Gulfport | MS | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| DCDedeaux Clan Furniture Factory | Gulfport | MS | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| DPDesign Precast and Pipe Inc, Thomas D Murray Mine | Gulfport | MS | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| DPDesign Precast & Pipe | Gulfport | MS | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| FHFazzios Home and Farm Center INC | Gulfport | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FPFuture Pipe Industries, INC. | Gulfport | MS | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| HPHuey P Stockstill LLC | Gulfport | MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HCHydro Carbide INC | Gulfport | MS | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| ISIngalls Shipbuilding, Gulfport Operations | Gulfport | MS | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| REReichhold Environmental Response Trust | Gulfport | MS | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SCSunbelt Chemicals INC | Gulfport | MS | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SMSyltone Marine INC | Gulfport | MS | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| WPWarren Paving Inc, Gulfport Plant | Gulfport | MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| WPWilliams Paving Company, Seaway Road | Gulfport | MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LSLand Shaper Inc, Main Facility | Gulfport | MS | Machinery Manufacturing333120 | 20-99 | ◇ UNVERIFIED |
| AKA & K Supplyu & Marine Work | Gulfport | MS | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| AAvcrad | Gulfport | MS | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| BBBeach Boulevard Ice, LLC | Gulfport | MS | Beverage and Tobacco Product Manufacturing312113 | — | ◇ UNVERIFIED |
| BGBollinger Gulport Shipbuilding, LLC | Gulfport | MS | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| CCChannel Chemical Corporation | Gulfport | MS | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CFCZN Franchising, LLC | Gulfport | MS | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| DBDolce Bakeshop, LLC | Gulfport | MS | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| GPGulf Pride Paving, LLC | Gulfport | MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HKHartson Kennedy | Gulfport | MS | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| KHKeith Huber Corporation | Gulfport | MS | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| PGPop Goes the Waffle LLC | Gulfport | FL | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| RHRedman Homes INC | Gulfport | MS | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| SASuperior Asphalt Gulfport Plant | Gulfport | MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| WJWesley J Cagle/jc's Machine Shop | Gulfport | MS | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
