| 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 |
| 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 |
| EREasy Reach Supply | Hattiesburg | MS | Machinery Manufacturing333249 | 20-99 | ◇ UNVERIFIED |
| HMHarrison Manufacturing LLC | Jackson | MS | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| LSLand Shaper Inc, Main Facility | Gulfport | MS | Machinery Manufacturing333120 | 20-99 | ◇ UNVERIFIED |
| SNS & N Airoflo, Inc. | Greenwood | MS | Machinery Manufacturing333319 | 1-19 | ◇ UNVERIFIED |
| STStephens TPS, Inc | Lorman | MS | Machinery Manufacturing333912 | 1-19 | ◇ UNVERIFIED |
| WIWood Industries INC. | Belmont | MS | Machinery Manufacturing333912 | 20-99 | ◇ UNVERIFIED |
| AAAdp Advanced Distributor Products | Grenada | MS | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| AHAmerican Howa Kentucky, INC. | Canton | MS | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| AMAtlas Manufacturing Company | Tremont | MS | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| BIBell INC. | Inverness | MS | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| BMBurkeen Manufacturing Company | Olive Branch | MS | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| CICaterpillar Inc, Sawyer Road Facility | Corinth | MS | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| CLCaterpillar Logistics Facility | Corinth | MS | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| CCCommercial Construction Company, INC. | Laurel | MS | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DTDesign Tech | Carriere | MS | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
 Environmental Construction CORP. | Pass Christian | MS | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| ELExel Logistics Distribution | Byhalia | MS | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| FLFabCon LLC | Nesbit | MS | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| FPField Pro Equipment Manufacturing LLC | Columbus | MS | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| GSGibbs & Sons, Inc. | Lake | MS | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| HMHewlitt Manufacturing | Louisville | MS | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| JOJames O'Brien Nicholson | Collins | MS | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| JWJames Watts | Collins | MS | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| KCKohler Company | Hattiesburg | MS | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| KCKohler Company Hattiesburg Engine Plant2 | Hattiesburg | MS | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| LELott Enterprise, INC. | Greenwood | MS | Machinery Manufacturing333411 | — | ◇ UNVERIFIED |
| MMasterbilt/standex | New Albany | MS | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| MMMaury Manufacturing | Holly Springs | MS | Machinery Manufacturing333516 | — | ◇ UNVERIFIED |
