| SLSpecgx LLC | Greenville | Chemical Manufacturing | 325411 | 20–99 | ● ACTIVE |
 Nevco Sports LLC | Greenville | Miscellaneous Manufacturing | 339920 | — | ● ACTIVE |
| CSCarlisle Syntec INC Plant 7 | Greenville | Plastics and Rubber Products Manufacturing | 326299 | — | ◐ LIKELY ACTIVE |
| AEAlternative Energy Sources INC | Greenville | Chemical Manufacturing | 325193 | — | ◇ UNVERIFIED |
| KSKeyesport Sand & Gravel-pit 2 | Keyesport | Petroleum and Coal Products Manufacturing | 324121 | — | ◇ UNVERIFIED |
| DBDemoulin Brothers & CO | Greenville | Apparel Manufacturing | 315210 | — | ▲ REPORTED CLOSED |
| EGEnertech Global LLC | Greenville | Machinery Manufacturing | 333415 | 20–99 | ◐ LIKELY ACTIVE |
| GRGreenville Ready Mix | Greenville | Nonmetallic Mineral Product Manufacturing | 327320 | 1–19 | ◐ LIKELY ACTIVE |
| MFMAI'S Foods, LLC | Sorento | Food Manufacturing | 311612 | — | ◐ LIKELY ACTIVE |
| BRBeelman Ready Mix | Mulberry Grove | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| BBBen Bush | Keyesport | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| BFBruce Farley | Greenville | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| CFCc Food Mart | Greenville | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| DBDemoulin Bros & CO | Greenville | Apparel Manufacturing | 315222 | — | ◇ UNVERIFIED |
| GKGene Kramer | Keyesport | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| GJGreenville Jumpin Jimmys | Greenville | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| JMJim Meyer | Greenville | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| KEKeith Eschmann | Greenville | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| MCMid-illinois Concrete | Greenville | Nonmetallic Mineral Product Manufacturing | 327320 | — | ◇ UNVERIFIED |
| MCMo Concrete | Greenville | Nonmetallic Mineral Product Manufacturing | 327320 | — | ◇ UNVERIFIED |
| MGMulberry Grove Jumpin Jimmys | Mulberry Grove | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| MGMulberry Grove Liquid Fuel | Mulberry Grove | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| NENona Ennen | Greenville | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| PBPat Breese | Keyesport | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| PAPeterson American Corporation Dba Peterson Springs | Greenville | Fabricated Metal Product Manufacturing | 332612 | — | ◇ UNVERIFIED |
| PPPowder Plus INC | Greenville | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| SJSteiner, John | Mulberry Grove | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| SSSurmeier & Surmeier INC | Greenville | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| TSThomas Steiner | Mulberry Grove | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| TGTnt Gas Mart INC | Smithboro | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
| WHWayne Hans | Mulberry Grove | Miscellaneous Manufacturing | 339999 | — | ◇ UNVERIFIED |
