| EPElectrolux Professional Group | Vicksburg | MS | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| KCKbh CORP | Clarksdale | MS | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| MTMagnolia Tool & Manufacturing Company, INC. | Ridgeland | MS | Machinery Manufacturing333515 | 1-19 | ◐ LIKELY ACTIVE |
| ACAmerican Crescent Elevator Manufacturing | Picayune | MS | Machinery Manufacturing333921 | 20-99 | ◇ UNVERIFIED |
| MCMarion County Timber, INC. | Foxworth | MS | Machinery Manufacturing333210 | 1-19 | ◇ UNVERIFIED |
| PPPlant Process Support INC | Burnsville | MS | Machinery Manufacturing333618 | 1-19 | ◇ UNVERIFIED |
| CRCaterpillar Remanufacturing - Large Engine Facility | Corinth | MS | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| DIDevelopmental Industries INC | Corinth | MS | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| EAEaton Aerospace, LLC | Jackson | MS | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| ESEcoWater Systems LLC - Ripley, MS | Ripley | MS | Machinery Manufacturing333318 | 100-499 | ◐ LIKELY ACTIVE |
| HCHol-Mac Corporation Plant 2 | Bay Springs | MS | Machinery Manufacturing333995 | 100-499 | ◐ LIKELY ACTIVE |
| HEHunter Engineering Company Raymond Plant | Raymond | MS | Fabricated Metal Product Manufacturing332999 | 500+ | ◐ LIKELY ACTIVE |
| KEKennedy Engine CO INC | Biloxi | MS | Machinery Manufacturing333618 | 1-19 | ◐ LIKELY ACTIVE |
| MBMaster Bilt Products | New Albany | MS | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| MCMtd Consumer Group INC. | Verona | MS | Machinery Manufacturing333112 | 500+ | ◐ LIKELY ACTIVE |
| SMSyntron Material Handling | Saltillo | MS | Machinery Manufacturing333131 | 100-499 | ◐ LIKELY ACTIVE |
| TLTaylor Logistics | Louisville | MS | Machinery Manufacturing333924 | — | ◐ LIKELY ACTIVE |
| CAC and W Custom Trailers | Golden | MS | Machinery Manufacturing333924 | — | ◐ LIKELY ACTIVE |
Carrier Process Equipment Group INC | Mathiston | MS | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| CICaterpillar Inc, Large Engine Facility (lef) | Corinth | MS | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| KEKohler Engines Plant #2 | Hattiesburg | MS | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| PHParker Hannifin CORP Automotive Connectors Div. | Batesville | MS | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
Power Dynamics Innovations, LLC. | Stennis Space Center | MS | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
Taylor Machine Works Inc, Plant Number 2 | Louisville | MS | Machinery Manufacturing333924 | — | ◐ LIKELY ACTIVE |
Taylor Machine Works Inc, Plant Number 3 | Louisville | MS | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| TPTecumseh Products Company, Tupelo Division | Verona | MS | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| TMTopline Manufacturing Company INC | Tremont | MS | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| UBUnified Brands | Vicksburg | MS | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| XIXylem INC | Southaven | MS | Machinery Manufacturing333911 | — | ◐ LIKELY ACTIVE |
| BEBest Equipment Technologies INC | Poplarville | MS | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| BBBig Bee Metal Manufacturing Company INC | Tremont | MS | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| DEDiscovery Energy Llc, Engine Plant Number 2 | Hattiesburg | MS | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| FAFaurecia Automotive Seating Canada LTD | Cleveland | MS | Machinery Manufacturing333311 | — | ◇ UNVERIFIED |
| FOFerson Optics INC. | Ocean Springs | MS | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| GEGravel Equipment and Supply Company INC | Amory | MS | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| MMMaxim Manufacturing Corporation | Sebastopol | MS | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| MCMct Custom Truck Bodies INC | Hernando | MS | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| MMMetso Minerals Ind, Stephens Adamson | Clarksdale | MS | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
Modine Manufacturing Grenada Lal | Grenada | MS | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| PHParker Hannifin Corporation, Racor Division | Holly Springs | MS | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| PEPeavey Electronics Corporation, Plant Number 5 | Meridian | MS | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| SISignal International LLC | Pascagoula | MS | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SFSouthern Fasteners Company | Greenville | MS | Machinery Manufacturing333513 | — | ◇ UNVERIFIED |
| SSSudden Services, Remanufacturing Center | Carthage | MS | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| TGTaylor Group Inc, Ackerman | Ackerman | MS | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TMTaylor Machine Works, Philadelphia Operations | Philadelphia | MS | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| TTTupelo Tool and Die INC | Tupelo | MS | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| YPYazoo Power Equipment LLC | Jackson | MS | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| AIAtlas-SSI, Inc. - Monticello | Monticello | MS | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
Crane 1 Services - Jackson | Brandon | MS | Machinery Manufacturing333923 | 1-19 | ◐ LIKELY ACTIVE |