| TMTerrell Materials CORP | Des Plaines | — | ◇ UNVERIFIED |
| TDTh Davidson & CO INC | Kankakee | — | ◇ UNVERIFIED |
| TAThe Andersons Lincoln Cob Products | Lincoln | — | ◇ UNVERIFIED |
| TSThelen Sand & Gravel INC | Libertyville | — | ◇ UNVERIFIED |
| TSThelen Sand & Gravel INC | Holiday Hills | — | ◇ UNVERIFIED |
| TCThermal Ceramics INC | Girard | — | ◇ UNVERIFIED |
| TITrenwyth Industries | South Beloit | — | ◇ UNVERIFIED |
| TITrenwyth Industries | South Beloit | — | ◇ UNVERIFIED |
| TRTri-county Ready Mix INC | Arthur | — | ◇ UNVERIFIED |
| UCUnited Concrete CORP | Waukegan | — | ◇ UNVERIFIED |
| UCUnited Contractors Midwest | Chapin | — | ◇ UNVERIFIED |
| URUnited Ready Mix INC | Pekin | — | ◇ UNVERIFIED |
| UAUniversal Abrasives INC | Carol Stream | — | ◇ UNVERIFIED |
| URUpchurch Ready Mix Concrete CO | East Saint Louis | — | ◇ UNVERIFIED |
| URUpchurch Ready Mix Concrete CO INC | Belleville | — | ◇ UNVERIFIED |
| URUrbana Recycling CO | Urbana | — | ◇ UNVERIFIED |
| UDUS Diamond Wheel INC | Oswego | — | ◇ UNVERIFIED |
| UCUsg CORP Research Center | Libertyville | — | ◇ UNVERIFIED |
| UMUS Minerals | Coffeen | — | ◇ UNVERIFIED |
| UMUS Minerals INC | Baldwin | — | ◇ UNVERIFIED |
| VMVans Material CO INC | Midlothian | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois Building Materials LLC | Aurora | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois Building Materials LLC Yard 1007 | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois Building Materials LLC Yard 1140 | Blue Island | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois Illinois INC Yard 1134 | Romeoville | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC | Fox Lake | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC | Monee | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC | Lemont | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC | Channahon | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC | Manteno | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Batavia Ready Mix LLC Yard 1132 | Montgomery | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Batavia Ready Mix LLC Yard 1136 | Elburn | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC P011 | Elwood | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC P017 | Lynwood | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC P118 | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC P120 | Crest Hill | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Valley Batavia LLC -yard 1131 | Plano | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1009 | Melrose Park | — | ◇ UNVERIFIED |
| VPVcna Prairie LLC - 1t28/port of Will County | Elwood | — | ◇ UNVERIFIED |
| VPVcna Prairie Material Sales | Rolling Meadows | — | ◇ UNVERIFIED |
| VRV & R Materials LLC | Calumet City | — | ◇ UNVERIFIED |
| VCVulcan Construction Materials LP #378 | Mccook | — | ◇ UNVERIFIED |
| VUVuteq USA | Normal | — | ◇ UNVERIFIED |
| WGWashington Group-alberici | Olmsted | — | ◇ UNVERIFIED |
| WBWelch Brothers Belvidere INC | Belvidere | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix Plant | Chicago | — | ◇ UNVERIFIED |
| WIWpw Industries INC | Streator | — | ◇ UNVERIFIED |
| WCWright Concrete Recycling INC | Markham | — | ◇ UNVERIFIED |
| WIWs INC of Monmouth Dba/ Western Stoneware | Monmouth | — | ◇ UNVERIFIED |
| 1O100 - Ozinga Rmc, Chicago Division | Chicago | 20–99 | ◐ LIKELY ACTIVE |