| SMSyltone Marine INC | Gulfport | — | ◇ UNVERIFIED |
| TCTeikuro Corporation | Meridian | — | ◇ UNVERIFIED |
| TWThompsons Welding and Machine Works | Philadelphia | — | ◇ UNVERIFIED |
| TRTier Rack Corporation, Como Plant | Como | — | ◇ UNVERIFIED |
| TGTrue Grit INC | Columbus | — | ◇ UNVERIFIED |
| UOUtility Optimization Group LLC | Pascagoula | — | ◇ UNVERIFIED |
| WMWastequip Manufacturing Company, Dba May Fab | Brookhaven | — | ◇ UNVERIFIED |
| WMWastequip Manufacturing Company LLC | Brookhaven | — | ◇ UNVERIFIED |
| WMWilliams Machine Works INC | Moss Point | — | ◇ UNVERIFIED |
| WMWilliams Machine Works Inc, Facility Number 2 | Pascagoula | — | ◇ UNVERIFIED |
| WMWorld Marine of Mississippi, Llc, West | Pascagoula | — | ◇ UNVERIFIED |
| ZMZachry Moss Point Fabrication Facility | Moss Point | — | ◇ UNVERIFIED |
| AGAb&e Government Solutions LLC | Leakesville | — | ◐ LIKELY ACTIVE |
| AMAmory, MS | Amory | 20–99 | ◐ LIKELY ACTIVE |
| AMArchitectural Mailboxes Inc. | Taylorsville | 100–499 | ◐ LIKELY ACTIVE |
| AMAutomated Machine Products, LLC | Corinth | — | ◐ LIKELY ACTIVE |
| APAutomatic Processing Incorporated | Moss Point | 20–99 | ◐ LIKELY ACTIVE |
| BHBad Habitz Fabrication LLC | Picayune | — | ◐ LIKELY ACTIVE |
| BPBird-johnson Propeller Company, LLC | Pascagoula | — | ◐ LIKELY ACTIVE |
| BCBlueScope Coated Products | Byam | 100–499 | ◐ LIKELY ACTIVE |
| BCBlueScope Coated Products Jackson | Byram | 100–499 | ◐ LIKELY ACTIVE |
| CIColumbia Industries LLC_Mississippi | Starkville | 20–99 | ◐ LIKELY ACTIVE |
| CWComplete Welding Solutions, INC | Lucedale | — | ◐ LIKELY ACTIVE |
| CFContract Fabricators, Inc. - Iuka, MS | Iuka | 20–99 | ◐ LIKELY ACTIVE |
| DWDunlap Welding Services LLC | Coldwater | — | ◐ LIKELY ACTIVE |
| EMEastern Metal Framing Mississippi | Hattiesburg | 20–99 | ◐ LIKELY ACTIVE |
| FSFabricators Supply LLC | West Point | 100–499 | ◐ LIKELY ACTIVE |
| FCFluid Connectors Batesville | Batesville | 100–499 | ◐ LIKELY ACTIVE |
| FCFluid Connectors Madison | Madison | 20–99 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Tupelo Campus - GTM01 - GTM07; GTM09; Trailers | Shannon | 100–499 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Tupelo - GTM08;GTM10 | Shannon | 20–99 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Tupelo - GTM11 | Shannon | 20–99 | ◐ LIKELY ACTIVE |
| GMGoldin Metals, Inc. | Gulfport | 20–99 | ◐ LIKELY ACTIVE |
| HIHapco, INC | Meridian | — | ◐ LIKELY ACTIVE |
Historical Arts & Casting, Inc. Mississippi | Lumberton | 1–19 | ◐ LIKELY ACTIVE |
| HNHj Norris, LLC | Moss Point | — | ◐ LIKELY ACTIVE |
| HCHol-Mac Corporation Plant 1 | Bay Springs | 100–499 | ◐ LIKELY ACTIVE |
| HMHs Marine Propulsion LLC | Ocean Springs | — | ◐ LIKELY ACTIVE |
| IBITW Building Components Group Inc - Pontotoc, MS | Pontotoc | 20–99 | ◐ LIKELY ACTIVE |
| JMJaco Machine LLC | Amory | — | ◐ LIKELY ACTIVE |
| LCLandworx Construction Contractors LLC | Petal | — | ◐ LIKELY ACTIVE |
| LILc Industries INC. | Hazlehurst | — | ◐ LIKELY ACTIVE |
| LPLii Piping Fabricators LLC | Lucedale | — | ◐ LIKELY ACTIVE |
| LFLloyd Forge & Finish LLC | Hermanville | — | ◐ LIKELY ACTIVE |
| LLouisville | Louisville | 1–19 | ◐ LIKELY ACTIVE |
| MMMagnum Metals, LLC | Nettleton | 20–99 | ◐ LIKELY ACTIVE |
| MIMcGregor Industrial Steel Fabrication, Inc. | Oxford | 1–19 | ◐ LIKELY ACTIVE |
| MGMEC - Greenville | Greenville | 20–99 | ◐ LIKELY ACTIVE |
| MSMetal Solutions - Vicksburg | Vicksburg | 20–99 | ◐ LIKELY ACTIVE |
| MMMid-south Metal Buildings LLC | Hernando | — | ◐ LIKELY ACTIVE |