| ECEsco Corporation - Newton | Newton | MS | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| ELEvercompounds LLC | Olive Branch | MS | Plastics and Rubber Products Manufacturing326291 | 20-99 | ◐ LIKELY ACTIVE |
Fabricated Pipe INC | Fernwood | MS | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| FSFairbanks Scales INC | Meridian | MS | Machinery Manufacturing333997 | — | ◐ LIKELY ACTIVE |
| FFFreshwater Farms Products LLC | Belzoni | MS | Food Manufacturing311710 | — | ◐ LIKELY ACTIVE |
| GGGeorgia Gulf Chemicals & Vinyls LLC | Madison | MS | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| GTGolden Triangle Mill Service | Columbus | MS | Nonmetallic Mineral Product Manufacturing327992 | 100-499 | ◐ LIKELY ACTIVE |
| GSGrenada Stamping and Assembly, INC. | Grenada | MS | Fabricated Metal Product Manufacturing332119 | 100-499 | ◐ LIKELY ACTIVE |
Griffin Industries | Jackson | MS | Food Manufacturing311613 | — | ◐ LIKELY ACTIVE |
| HLHankins Lumber Company Inc, Elliott | Elliott | MS | Wood Product Manufacturing321113 | — | ◐ LIKELY ACTIVE |
| HPHanson Pipe and Products Southeast INC | Como | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| HKHartson Kennedy Cabinet Top Company INC | Gulfport | MS | Furniture and Related Product Manufacturing337110 | — | ◐ LIKELY ACTIVE |
| HBHeartland Building Products INC | Booneville | MS | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| HIHoward Industries | Laurel | MS | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
Howard Industries INC Ballast Division | Laurel | MS | Electrical Equipment, Appliance & Component Manufacturing335122 | — | ◐ LIKELY ACTIVE |
| HCHsi Corporation | Bay Springs | MS | Machinery Manufacturing333995 | 20-99 | ◐ LIKELY ACTIVE |
| HDHunter Douglas Inc, Tupelo Center | Shannon | MS | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
Huntington Ingalls Incorporated | Pascagoula | MS | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| HSHunt Sandersville Refinery | Sandersville | MS | Petroleum and Coal Products Manufacturing324110 | — | ◐ LIKELY ACTIVE |
| IFInnocor Foam Technologies LLC | Coldwater | MS | Plastics and Rubber Products Manufacturing326150 | — | ◐ LIKELY ACTIVE |
| KNKasai North America Inc, Madison Plant | Madison | MS | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| KCKemira Chemicals INC | Aberdeen | MS | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| KLKnu, LLC | Leland | MS | Furniture and Related Product Manufacturing337121 | 20-99 | ◐ LIKELY ACTIVE |
| LPLaurel Plant | Laurel | MS | Wood Product Manufacturing321219 | — | ◐ LIKELY ACTIVE |
| LBLegacy Boats LLC Dba Avid Boats | Aberdeen | MS | Transportation Equipment Manufacturing336612 | 20-99 | ◐ LIKELY ACTIVE |
| MWMarietta Wood Supply INC | Marietta | MS | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| MPMar-jac Poultry | Hattiesburg | MS | Food Manufacturing311615 | 500+ | ◐ LIKELY ACTIVE |
| MAMartinrea Automotive Structures | Shannon | MS | Transportation Equipment Manufacturing336211 | 100-499 | ◐ LIKELY ACTIVE |
Milwaukee Electric Tool CORP | Greenwood | MS | Fabricated Metal Product Manufacturing332213 | — | ◐ LIKELY ACTIVE |
| MTMississippi Tank and Manufacturing Company | Hattiesburg | MS | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
Mmc Materials INC | Saltillo | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
Mmc Materials Inc, Lakeland Drive 30106 | Brandon | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
Modine Grenada Llc, Ccp and Lal Facilities | Grenada | MS | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| MCMueller Casting and Copper Tube Products | Fulton | MS | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| NNNissan North America Inc, Canton Manufacturing Facility | Canton | MS | Transportation Equipment Manufacturing336110 | — | ◐ LIKELY ACTIVE |
| NONitrous Oxide CORP | Yazoo City | MS | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| NSNslc Southern INC | Hermanville | MS | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| NSNucor Steel Jackson INC | Flowood | MS | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| OPOmega Protein INC. Moss Point Facility | Moss Point | MS | Food Manufacturing311613 | — | ◐ LIKELY ACTIVE |
| PMPalmer Machine Works INC | Amory | MS | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| PHParker Hannifin Corporation - Fluid Control Division | Madison | MS | Fabricated Metal Product Manufacturing332911 | — | ◐ LIKELY ACTIVE |
| PRPearl River Lumber Company INC | Georgetown | MS | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| PFPeco Foods INC | Sebastopol | MS | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| PCPlatte Chemical CO | Greenville | MS | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| PTPlymouth Tube Company | Eupora | MS | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| PIPolychemie INC | Pearlington | MS | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| PTPowe Timber Company, Dba American Wood | Richton | MS | Wood Product Manufacturing321114 | — | ◐ LIKELY ACTIVE |
Primetals Technologies USA LLC | Columbus | MS | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| PPProtein Products, INC. | Sunflower | MS | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| RNRolls-royce Naval Marine INC | Pascagoula | MS | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |