| NBNorthfield Block CO | Morris | — | ◐ LIKELY ACTIVE |
| PNPilkington North America | Ottawa | — | ◐ LIKELY ACTIVE |
| QPQuikrete Peoria | Pekin | 1–19 | ◐ LIKELY ACTIVE |
| TCToledo Concrete INC | Toledo | 1–19 | ◐ LIKELY ACTIVE |
| VRVandalia Ready Mix | Vandalia | 1–19 | ◐ LIKELY ACTIVE |
| VUVesuvius USA | Charleston | — | ◐ LIKELY ACTIVE |
| WMWashington Mills | Hennepin | — | ◐ LIKELY ACTIVE |
| WPWeber-stephen Products LLC | Huntley | 100–499 | ◐ LIKELY ACTIVE |
| WIWoodward INC | Loves Park | — | ◐ LIKELY ACTIVE |
| AGArdagh Glass INC. (dolton) | Dolton | — | ◐ LIKELY ACTIVE |
| HIHolcim (us) INC | Chicago | — | ◐ LIKELY ACTIVE |
| HIHolcim (us) INC | Grand Chain | — | ◐ LIKELY ACTIVE |
| ICIllinois Cement CO | Lasalle | — | ◐ LIKELY ACTIVE |
| OGOwens-brockway Glass Container INC | Streator | — | ◐ LIKELY ACTIVE |
| OCOzinga Chicago Rmc INC | Chicago | — | ◐ LIKELY ACTIVE |
| OCOzinga Concrete Products | Sycamore | — | ◐ LIKELY ACTIVE |
| OIOzinga Illinois Rmc INC | Joliet | — | ◐ LIKELY ACTIVE |
| OIOzinga Illinois Rmc INC | Montgomery | — | ◐ LIKELY ACTIVE |
| OIOzinga Illinois Rmc INC | Alsip | — | ◐ LIKELY ACTIVE |
| OIOzinga Illinois Rmc INC | Plainfield | — | ◐ LIKELY ACTIVE |
| OIOzinga Illinois Rmc INC | Lemont | — | ◐ LIKELY ACTIVE |
| OROzinga Ready-mix Carol Stream Plant | Carol Stream | — | ◐ LIKELY ACTIVE |
| OROzinga Ready Mix Company | Chicago | — | ◐ LIKELY ACTIVE |
| OROzinga Ready-mix Concrete - Chinatown | Chicago | — | ◐ LIKELY ACTIVE |
| OROzinga Ready-mix Concrete Desplaines Yard | Des Plaines | — | ◐ LIKELY ACTIVE |
| OROzinga Ready-mix Concrete - Evanston Yard | Evanston | — | ◐ LIKELY ACTIVE |
| OROzinga Ready Mix Concrete INC | Lake Bluff | — | ◐ LIKELY ACTIVE |
| OROzinga Ready Mix Concrete INC | South Elgin | — | ◐ LIKELY ACTIVE |
| OROzinga Ready Mix Concrete INC - Manteno | Manteno | — | ◐ LIKELY ACTIVE |
| PMPrairie Material Sales INC | Northbrook | — | ◐ LIKELY ACTIVE |
| PRPremier Refractories & Chemicals Incorporated | Chicago Heights | — | ◐ LIKELY ACTIVE |
| SIStonecrafters, INC. | Lakemoor | 1–19 | ◐ LIKELY ACTIVE |
| TPTpg Pressure INC | South Beloit | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie Illinois Building Materials LLC Yard 1019 | East Dundee | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie Illinois INC Yard 1024 | Vernon Hills | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie Illinois INC Yard 1033 | Chicago | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie Illinois INC Yard 1037 | Champaign | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie INC Yard 1014 | Addison | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie INC Yard 1025 | Decatur | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie INC - Yard 1026 | Bloomington | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie Inc-yard 1032 | Chicago | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie INC - Yard 1130 | Shorewood | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie INC - Yard 1135 | Batavia | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie - Yard 1008 | Des Plaines | — | ◐ LIKELY ACTIVE |
| CRCapital Ready Mix | Springfield | 20–99 | ◇ UNVERIFIED |
| URUpchurch Ready Mix Concrete | Cahokia | 1–19 | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1001 | Bridgeview | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1005 | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie Yard 1015 | Hazel Crest | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix INC | Joliet | — | ◇ UNVERIFIED |