| FIForest Industrial Wastewater Pretreatment INC | Forest, MS | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| GCGold Coast Commodities INC | Brandon, MS | Food Manufacturing311225 | — | ◐ LIKELY ACTIVE |
Great Southern Industries INC | Jackson, MS | Paper Manufacturing322211 | — | ◐ LIKELY ACTIVE |
Hitachi Energy USA INC | Crystal Springs, MS | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◐ LIKELY ACTIVE |
| HEHunter Engineering Company, Durant | Durant, MS | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| HEHunter Engineering Company Raymond Plant | Raymond, MS | Fabricated Metal Product Manufacturing332999 | 500+ | ◐ LIKELY ACTIVE |
| IPInternational Paper Company, Richland Facility | Richland, MS | Paper Manufacturing322211 | — | ◐ LIKELY ACTIVE |
| JBJack Batte and Sons INC | Forest, MS | Wood Product Manufacturing321113 | — | ◐ LIKELY ACTIVE |
| JMJackson, MS Wilbert Burial Vault Company | Jackson, MS | Nonmetallic Mineral Product Manufacturing327320 | 20–99 | ◐ LIKELY ACTIVE |
| JPJackson Plating CO | Jackson, MS | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| JMJwh Machining & Fab LLC | Jackson, MS | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| KBKitchens Brothers Mfg Co-utica Mill | Utica, MS | Wood Product Manufacturing321113 | — | ◐ LIKELY ACTIVE |
| LLLinde LLC | Brandon, MS | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| MPMcneely Plastic Products, INC. | Clinton, MS | Plastics and Rubber Products Manufacturing326112 | 100–499 | ◐ LIKELY ACTIVE |
| MPMcNeely Plastics | Hazlehurst, MS | Paper Manufacturing322220 | 20–99 | ◐ LIKELY ACTIVE |
| MPMenasha Packaging Company-Pelahatchie | Pelahatchie, MS | Paper Manufacturing322211 | 100–499 | ◐ LIKELY ACTIVE |
| PFPeco Foods Inc.- Canton West Fulton Street Processing | Canton, MS | Food Manufacturing311615 | 500+ | ◐ LIKELY ACTIVE |
| PFPeco Foods of Mississippi INC . | Canton, MS | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| RCRaytheon Company | Forest, MS | Computer and Electronic Product Manufacturing334411 | — | ◐ LIKELY ACTIVE |
| RFReed Food Technology | Pearl, MS | Food Manufacturing311941 | 20–99 | ◐ LIKELY ACTIVE |
| RIRockett INC | Flowood, MS | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| STScanlon Taylor Millwork Company | Jackson, MS | Furniture and Related Product Manufacturing337212 | 20–99 | ◐ LIKELY ACTIVE |
| SBSpeed Box, LLC | Ridgeland, MS | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| SASuperior Asphalt INC | Jackson, MS | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| TSThe Stone Source, INC | Brandon, MS | Nonmetallic Mineral Product Manufacturing327991 | — | ◐ LIKELY ACTIVE |
| TLT & LT Tamales, LLC | Flora, MS | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| TSTri State Jackson Lands, LLC | Jackson, MS | Nonmetallic Mineral Product Manufacturing327121 | — | ◐ LIKELY ACTIVE |
| USUnipres Southeast | Forest, MS | Transportation Equipment Manufacturing336370 | 100–499 | ◐ LIKELY ACTIVE |
| ZLZavation LLC | Flowood, MS | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| ADAdvance Drainage Systems INC. | Byram, MS | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| BIBfel Indemnitor Inc, Potter Production Facility | Wesson, MS | Computer and Electronic Product Manufacturing334416 | — | ◐ LIKELY ACTIVE |
| DODenbury Onshore Llc, Jackson Dome Facility | Brandon, MS | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| KPKoestler Pallet Sales INC | Edwards, MS | Wood Product Manufacturing321920 | — | ◐ LIKELY ACTIVE |
| LCLexington Concrete and Block Company, INC. | Mendenhall, MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| LCLexington Concrete and Block Company Inc, Lexington Plant | Lexington, MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| LCLexington Concrete and Block Company Inc, Pearl Plant | Pearl, MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| MPMetaline Products INC | Crystal Springs, MS | Primary Metal Manufacturing331315 | — | ◐ LIKELY ACTIVE |
| PEProcess Engineering Company, INC. | Jackson, MS | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| SMSmallcakes Madison, LLC | Madison, MS | Food Manufacturing311811 | — | ◐ LIKELY ACTIVE |
| VUVoith US INC | Florence, MS | Textile Mills313210 | — | ◐ LIKELY ACTIVE |
| WMWilsons Meathouse INC | Crystal Springs, MS | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| AIAdcamp INC | Flowood, MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AUAirgas USA LLC Dba Airgas Dry Ice | Jackson, MS | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| AJA J Construction Inc, Gallatin Plant | Jackson, MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ACAkzonobel Coatinging INC. | Clinton, MS | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| AMApac Mississippi Inc, Canton | Canton, MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AMApac Mississippi Inc, Morton Asphalt Plant | Morton, MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AMApac Mississippi Inc, Wynndale Asphalt Plant | Byram, MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AMApac Mississippi Inc, Yazoo Asphalt Plant | Yazoo City, MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| APApex Products, INC. | Jackson, MS | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |