| CICast Industries Inc. | Springfield, IL | Miscellaneous Manufacturing339920 | 20–99 | ◐ LIKELY ACTIVE |
| COC.D.S. Office Systems Incorporated - MMP | Springfield, IL | Printing and Related Support Activities323111 | 1–19 | ◐ LIKELY ACTIVE |
| CTCertified Tank & Manufacturing LLC | Springfield, IL | Fabricated Metal Product Manufacturing332420 | 20–99 | ◐ LIKELY ACTIVE |
| DFDanenberger Family Vineyards, LLC | New Berlin, IL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HPHerd Packing Company LLC | Springfield, IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| HPHill Prairie Winery | Oakford, IL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HMHumphrey's Market, Inc. | Springfield, IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| LOLand of Lincoln Winery | Springfield, IL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LOLand of Lincoln Winery | Springfield, IL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LLetherbee | Petersburg, IL | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| ODOttawa Dental Laboratory, LLC - Springfield Location | Springfield, IL | Miscellaneous Manufacturing339116 | 20–99 | ◐ LIKELY ACTIVE |
| RMRichardson Manufacturing Company | Springfiled, IL | Fabricated Metal Product Manufacturing332710 | 100–499 | ◐ LIKELY ACTIVE |
| RMRolling Meadows Brewery, LLC | Cantrall, IL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SCSPIPP Contech Engineered Solutions LLC | Springfield, IL | Plastics and Rubber Products Manufacturing326122 | 20–99 | ◐ LIKELY ACTIVE |
| SSpringfield | Springfield, IL | Nonmetallic Mineral Product Manufacturing327332 | 20–99 | ◐ LIKELY ACTIVE |
| SISpringfield IDEMIA Civil Identity | Springfield, IL | Plastics and Rubber Products Manufacturing326199 | 20–99 | ◐ LIKELY ACTIVE |
| TKThermo King Sales & Service - Springfield | Springfield, IL | Machinery Manufacturing333415 | 1–19 | ◐ LIKELY ACTIVE |
| U9Uhcc 99 W Greenwood LLC | Springfield, IL | Food Manufacturing311812 | — | ◐ LIKELY ACTIVE |
| UDUSMe DBA BLH Computers | Springfield, IL | Primary Metal Manufacturing331491 | 1–19 | ◐ LIKELY ACTIVE |
| UTU.S. Truss Company - Springfield | Springfield, IL | Wood Product Manufacturing321214 | 1–19 | ◐ LIKELY ACTIVE |
| WSWalnut Street Winery Plus Saunas, INC. | Rochester, IL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WSWarren Sand CO of Illinois | Springfield, IL | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| WOWest of Wise Winery, LLC | Petersburg, IL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MDMel-o-cream Donuts International INC | Springfield, IL | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| 3P345 Pakey Rd | Springfield, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ASAce Sign CO. | Springfield, IL | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| AJAir Jiffy | Springfield, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AOAlfa Oil & Food | Divernon, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ATAmerican-springfield Tooling & Molding, INC. | Springfield, IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ATAuburn Travel Center | Divernon, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BCBdbr Corporation | Springfield, IL | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| BSBendsen Signs & Graphics, INC. | Springfield, IL | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| BMBlackwell Moonshine, LLC | Springfield, IL | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
| BPBp Products North America INC | Springfield, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BIBrandenburg Industrial Service Company | Springfield, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BOByer's Operating LLC | Springfield, IL | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| CRCapitol Ready-mix, INC. | Springfield, IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSC&j Sales | Chatham, IL | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| CSCoady Supply Co., INC. | Springfield, IL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| CRCoca-cola Refreshments Usa, INC. | Springfield, IL | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| CMCommander Machining Company, LLC | Springfield, IL | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CACrate and Pallet Packaging Company, LLC | Springfield, IL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| CACrate and Pallet Packaging Company, LLC | Springfield, IL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| CRCurry Ready-mix & Builders Supply INC | Springfield, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CWCustom Woodworks & Interiors, LTD. | Springfield, IL | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| DADannys Autobody | Springfield, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
Dental Arts Laboratories, INC. | Springfield, IL | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| DCDickey-john CORP | Auburn, IL | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| DTDonley Trucking INC | Springfield, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| EHEaton Hydraulics | Petersburg, IL | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |