| CMCentral Machine Shop | Natchez | — | ◇ UNVERIFIED |
| CRCf Rail Services | Meridian | — | ◇ UNVERIFIED |
| CDChrome Deposit Corp., Columbus Roll Shop | Columbus | — | ◇ UNVERIFIED |
| CFContract Fabricators, INC | De Kalb | — | ◇ UNVERIFIED |
| CFContract Fabricators, Inc, Iuka Facility | Iuka | — | ◇ UNVERIFIED |
| CLCroft LLC | Magnolia | — | ◇ UNVERIFIED |
| DFDelta Fabrication, LLC | Greenville | — | ◇ UNVERIFIED |
| DMDelta Machine Works | Greenwood | — | ◇ UNVERIFIED |
| DPDelta Powder Coating LLC | Ruleville | — | ◇ UNVERIFIED |
| DPDiamond Painting and Sandblasting | Picayune | — | ◇ UNVERIFIED |
| DRDuro-last Roofing, INC. | Byram | — | ◇ UNVERIFIED |
| ELEepos, LLC | Baldwyn | — | ◇ UNVERIFIED |
| FLFabritech LLC | Olive Branch | — | ◇ UNVERIFIED |
| FWFielders Welding and Ornamental | Oxford | — | ◇ UNVERIFIED |
| GWGarrett Welding & Iron | Terry | — | ◇ UNVERIFIED |
| GSGround Support Specialist | Horn Lake | — | ◇ UNVERIFIED |
| GSGulf States Fabrication INC. | Laurel | — | ◇ UNVERIFIED |
| HSHickory Springs Manufacturing CO | New Albany | — | ◇ UNVERIFIED |
| HTHolly Tool & Die, INC. | Holly Springs | — | ◇ UNVERIFIED |
| HIHoward Industries INC | Mendenhall | — | ◇ UNVERIFIED |
| IMIndustrial Mechanical Contractors LLC | Meridian | — | ◇ UNVERIFIED |
| ICIron Crafters Security Products Inc | Ashland | — | ◇ UNVERIFIED |
| IIIron Innovations, INC | Madison | — | ◇ UNVERIFIED |
| KHKeith Huber Corporation | Gulfport | — | ◇ UNVERIFIED |
| KAKelly and Sons Welding | Hattiesburg | — | ◇ UNVERIFIED |
| KMKloeckner Metals Corporation, Building Number 3 | Louisville | — | ◇ UNVERIFIED |
 Kustom Machine & Sheet Metal | Forest | — | ◇ UNVERIFIED |
| LALeggett and Platt INC | Ripley | — | ◇ UNVERIFIED |
 Leggett & Platt Components Company, INC. | Tupelo | — | ◇ UNVERIFIED |
| Leggett & Platt Omega Motion | Saltillo | — | ◇ UNVERIFIED |
| LMLeonard Metal Fabricators, Inc | Pearl | — | ◇ UNVERIFIED |
| LCLevell Crabtree Welding & Machine, LLC | Yazoo City | — | ◇ UNVERIFIED |
| LCLippert Compenents - Plant 120 | Burnsville | — | ◇ UNVERIFIED |
| LMLockheed Martin Space Operations | Bay Saint Louis | — | ◇ UNVERIFIED |
| MIManufab, INC. | Bay Saint Louis | — | ◇ UNVERIFIED |
| MOMason & Overstreet Welding & Machine Works, INC. | Pearl | — | ◇ UNVERIFIED |
| MBMaster Bilt Products Site 2 | New Albany | — | ◇ UNVERIFIED |
| MAMetl-span a Div of Nci Group INC | Jackson | — | ◇ UNVERIFIED |
| MSMississippi Steel Processing, LLC | Columbus | — | ◇ UNVERIFIED |
| MCMorelock & Company Ironworks INC. | New Albany | — | ◇ UNVERIFIED |
| NPNichols Propeller Company | Greenville | — | ◇ UNVERIFIED |
| NLNokomis, LLC | De Kalb | — | ◇ UNVERIFIED |
| NMNovelty Machine Works | Jackson | — | ◇ UNVERIFIED |
| NGNucor Grating - Fisher & Ludlow INC. | Madison | — | ◇ UNVERIFIED |
| NHNucor Harris Rebar Jackson LLC | Flowood | — | ◇ UNVERIFIED |
| OCOlin Corporation Winchester Ammunition Division | Oxford | — | ◇ UNVERIFIED |
| OOOliver's Ornamental Iron, LLC | Flora | — | ◇ UNVERIFIED |
| OFOryo Farms, Inc DBA Yoder's Portable Buildings | Mize | — | ◇ UNVERIFIED |
| PMPrecision Machine & Metal Fabrication, INC. | New Albany | — | ◇ UNVERIFIED |
| PMPrecision Machine & Metal Fabrication, INC. | Tupelo | — | ◇ UNVERIFIED |
