 C. R. Elgin Investment LLC | Mount Vernon, IL | Transportation Equipment Manufacturing336510 | — | ● ACTIVE |
 Hanger Prosthetics & Orthotics East, INC. | Mount Vernon, IL | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
 Jackson Marking Products Company, INC. | Mount Vernon, IL | Miscellaneous Manufacturing339940 | — | ● ACTIVE |
 National Railway Equipment CO. | Mount Vernon, IL | Transportation Equipment Manufacturing336510 | — | ● ACTIVE |
| CTContinental Tire | Mount Vernon, IL | Plastics and Rubber Products Manufacturing326211 | — | ◐ LIKELY ACTIVE |
 Ironworx LLC | Mount Vernon, IL | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
 Bennett Metal Products INC | Mount Vernon, IL | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| PMPhoenix Modular Elevator LLC | Mount Vernon, IL | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
 Continental Tire the Americas | Mount Vernon, IL | Plastics and Rubber Products Manufacturing326211 | 500+ | ◐ LIKELY ACTIVE |
| MMMilano Metals & Recycling | Mount Vernon, IL | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
| NRNational Railway | Mount Vernon, IL | Transportation Equipment Manufacturing336510 | — | ◐ LIKELY ACTIVE |
| BRBeelman Ready Mix | Mount Vernon, IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GFGateway Fs INC | Waltonville, IL | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| LPLatham Pool Products INC D/b/a Viking Pools-il | Dix, IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MVMount Vernon Neon | Mount Vernon, IL | Electrical Equipment, Appliance & Component Manufacturing335139 | — | ◇ UNVERIFIED |
| PHPower Holdings of Illinois | Ashley, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PMPpg Mt Vernon | Mount Vernon, IL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SISouthern Illinois Materials CO | Dodds, IL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SCSpringfield Coal CO | Waltonville, IL | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| WEWaltonville Ethanol LLC | Waltonville, IL | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| AFA.s. Fabricating, INC. | Mount Vernon, IL | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| GWGenkota Winery | Mount Vernon, IL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| NMNRE Mt. Vernon | Mount Vernon, IL | Transportation Equipment Manufacturing336510 | 20–99 | ◐ LIKELY ACTIVE |
| SPSCI Packaging, LLC | Mount Vernon, IL | Paper Manufacturing322211 | 20–99 | ◐ LIKELY ACTIVE |
| TNTrm Nre Acquisition LLC | Mount Vernon, IL | Transportation Equipment Manufacturing336510 | — | ◐ LIKELY ACTIVE |
| AFAgripride Fs INC | Belle Rive, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BRBeelman Ready Mix | Mount Vernon, IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BLBill's Lawn Service | Mount Vernon, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BEBromley Excavating | Bluford, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CMCardinal Mfg | Mount Vernon, IL | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| CAChapman Automotive & Exhaust | Mount Vernon, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CJCort Jones | Mount Vernon, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CMCounty Materials CORP | Mount Vernon, IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCraft Pallet, INC. | Ina, IL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| DDDale Dudley | Bonnie, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DBDons Body Shop | Mount Vernon, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ESE.t. Simonds Materials CO | Mount Vernon, IL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| FSFickas Saw Mill | Mount Vernon, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| FMFriction Materials LLC | Woodlawn, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| GIGdb International INC | Mount Vernon, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| GGlenco | Mount Vernon, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| HFHamson Feed Store | Belle Rive, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| HRHf Rubber Machinery, INC. | Mount Vernon, IL | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| H1Hucks 134 | Mount Vernon, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| H3Hucks 371 | Mount Vernon, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IMInnotech Manufacturing, LLC | Mount Vernon, IL | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| JJJ & J Services INC | Bonnie, IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| KEKeyrock Environment LLC | Bonnie, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MSMagnum Steel Works, Inc | Mount Vernon, IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MPManner Polymers INC | Mount Vernon, IL | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
