| CLCpp LLC | Picayune | MS | Wood Product Manufacturing321114 | 1-19 | ● ACTIVE |
 Aef-performance LLC | Picayune | MS | Plastics and Rubber Products Manufacturing326291 | — | ● ACTIVE |
 Power Dynamics Innovations LLC | Picayune | MS | Machinery Manufacturing333120 | — | ● ACTIVE |
 Trendweld CO. LLC | Picayune | MS | Fabricated Metal Product Manufacturing332313 | — | ● ACTIVE |
| HPHeritage Plastics INC | Picayune | MS | Chemical Manufacturing325991 | 100-499 | ◐ LIKELY ACTIVE |
| AEAvon Engineered Fabrications INC | Picayune | MS | Plastics and Rubber Products Manufacturing326299 | — | ◐ LIKELY ACTIVE |
| APApollo Petroleum | Picayune | MS | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| ACAmerican Crescent Elevator Manufacturing | Picayune | MS | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| HPHuey P Stockstill Llc, Picayune | Picayune | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PWPicayune Wood Treating Site | Picayune | MS | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| QCQuikrete Companies Inc, The, Picayune 2 | Picayune | MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| QPQuikrete - Picayune, Ms Plant | Picayune | MS | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| RMRam Machine Tooling INC | Picayune | MS | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSStone Shop Llc, the | Picayune | MS | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| STStone Treated Materials | Picayune | MS | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| VRValspar Refinish | Picayune | MS | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BHBad Habitz Fabrication LLC | Picayune | MS | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| BBBrents Beef Jerky | Picayune | MS | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| MAMississippi Aerospace CORP | Picayune | MS | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| RLRheogistics LLC | Picayune | MS | Petroleum and Coal Products Manufacturing324199 | 20-99 | ◐ LIKELY ACTIVE |
| STSt Tammany Box Company | Picayune | MS | Paper Manufacturing322211 | — | ◐ LIKELY ACTIVE |
| TITurley International Resources | Picayune | MS | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| CLChemtrade Logistics, INC. | Picayune | MS | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| DPDiamond Painting and Sandblasting | Picayune | MS | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| HPHuey P Stockstill Llc, Picayune Ready Mix and Asphalt Plant | Picayune | MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
