| SSSeneca Sand LLC | Seneca, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SOShell Oasis | Ottawa, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
 Southern Precision Sands LLC | Ottawa, IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SSSouthside Shell | Ottawa, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SSSpeedway Store #101053 | Oglesby, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SVSpring Valley Warehouse | Spring Valley, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SAStertil Alm CORP. | Streator, IL | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| SSStocking Sally | Tiskilwa, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SCStott Contracting LLC | Ottawa, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TGTee Group Films | Ladd, IL | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| TRT Rippel Construction INC | Wedron, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| UIUnytite INC | Peru, IL | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Princeton, IL | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Streator, IL | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Lostant, IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Mendota, IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| UTUtica Terminal INC | Utica, IL | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| VPVcna Prairie LLC | Dana, IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VCVerardo Core Services LLC | Hennepin, IL | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| VMViakable Mfg LLC | Lasalle, IL | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| VMViakable Mfg LLC | Lasalle, IL | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| VSVolpe Service | Lasalle, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| VSVoss Sandworks West | Ottawa, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| WEWalnut Express Lane | Walnut, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| WTWatco Transloading LLC | Triumph, IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| WRWaukesha Rubber CO INC | Ladd, IL | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| WSWestern Sand & Gravel CO | Mendota, IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| YCYoungs Custom Ag Service | Spring Valley, IL | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
