| MAMississippi Aerospace CORP | Picayune | 1–19 | ◐ LIKELY ACTIVE |
| OWOlin Winchester, LLC | Oxford | — | ◐ LIKELY ACTIVE |
 PG Technologies - Ellisville, MS | Ellisville | 100–499 | ◐ LIKELY ACTIVE |
| PSPontotoc Spring | Pontotoc | 20–99 | ◐ LIKELY ACTIVE |
| RIRockett INC | Flowood | — | ◐ LIKELY ACTIVE |
| SHSandy Hook Machine Shop, INC | Sandy Hook | — | ◐ LIKELY ACTIVE |
| SSmith+Griffin | Byhalia | 20–99 | ◐ LIKELY ACTIVE |
| SMSouthwark Metal Mississippi Division | Southaven | 100–499 | ◐ LIKELY ACTIVE |
| SPSun-air Products Inc | Belmont | 20–99 | ◐ LIKELY ACTIVE |
| VTVision Technologies Marine, INC. | Pascagoula | — | ◐ LIKELY ACTIVE |
| WVWey Valve, Inc | Shannon | 20–99 | ◐ LIKELY ACTIVE |
| APAutomatic Plating, INC. | Taylorsville | — | ◐ LIKELY ACTIVE |
| CDChrome Deposit Corp., Columbus Roll Shop | Columbus | — | ◐ LIKELY ACTIVE |
| CLCroft LLC | Magnolia | — | ◐ LIKELY ACTIVE |
| GAGe Aviation Ellisville | Ellisville | — | ◐ LIKELY ACTIVE |
| KCKdm Custom Coatings INC | Tupelo | — | ◐ LIKELY ACTIVE |
| MAMoog Automotive | Pontotoc | — | ◐ LIKELY ACTIVE |
 Skyline Steel Llc-iuka | Iuka | — | ◐ LIKELY ACTIVE |
| SSStructural Steel Services Inc, Plants 1 | Meridian | — | ◐ LIKELY ACTIVE |
 Taylor Machine Works Inc, Plant Number 3 | Louisville | — | ◐ LIKELY ACTIVE |
| 1A1108th Avcrad | Gulfport | — | ◇ UNVERIFIED |
| AIAbb Installation Products, INC. | Southaven | — | ◇ UNVERIFIED |
| AIAlply INC | Dekalb | — | ◇ UNVERIFIED |
| ADAtlas Door Clopay Building Products | Hernando | — | ◇ UNVERIFIED |
| AIAztec Industries INC | Richland | — | ◇ UNVERIFIED |
| BABabcock and Wilcox Company | West Point | — | ◇ UNVERIFIED |
| BABatesville American Manufacturing Company | Batesville | — | ◇ UNVERIFIED |
| BSBrandsafway Solutions Llc, Moss Point | Moss Point | — | ◇ UNVERIFIED |
| CCCareys Construction Company INC | Jackson | — | ◇ UNVERIFIED |
| CBCeco Building Systems | Columbus | — | ◇ UNVERIFIED |
| CRCorbin Russwin INC | Clarksdale | — | ◇ UNVERIFIED |
| DSDelta Steel Company INC | Jackson | — | ◇ UNVERIFIED |
| FLFriction LLC | Greenwood | — | ◇ UNVERIFIED |
| GAGeneral Atomics Ems Division, Tupelo | Shannon | — | ◇ UNVERIFIED |
| GIGreif Industrial Packaging & Services | Canton | — | ◇ UNVERIFIED |
| GSGulf States Manufacturers | Starkville | — | ◇ UNVERIFIED |
| HMHol Mac Corporation, South | Bay Springs | — | ◇ UNVERIFIED |
| HCHydro Carbide INC | Gulfport | — | ◇ UNVERIFIED |
| ICInternational Cold Storage, Rainey Road LLC | Olive Branch | — | ◇ UNVERIFIED |
| IPItw Paslode | Cleveland | — | ◇ UNVERIFIED |
| JFJesco Fabrication Shop | Tupelo | — | ◇ UNVERIFIED |
| LELeading Edge Aviation Services, INC. | Greenville | — | ◇ UNVERIFIED |
| LTLetourneau Technologies, INC | Vicksburg | — | ◇ UNVERIFIED |
| MMarconi | Greenville | — | ◇ UNVERIFIED |
| MPMetal Processors INC | Jackson | — | ◇ UNVERIFIED |
| OSOne Source Systems LLC | Vicksburg | — | ◇ UNVERIFIED |
| PIPemco INC | Pascagoula | — | ◇ UNVERIFIED |
| PIPiper Impact Inc, New Albany Highway 15 | New Albany | — | ◇ UNVERIFIED |
| PBPrecision Blades, INC. | Saltillo | 20–99 | ◇ UNVERIFIED |
| QMQuality Manufacturing Group | Columbia | — | ◇ UNVERIFIED |
