| OROzinga Ready Mix Concrete INC | South Elgin | — | ◐ LIKELY ACTIVE |
| VPVcna Prairie INC Yard 1014 | Addison | — | ◐ LIKELY ACTIVE |
| HIHolcim (us) INC | Chicago | — | ◇ UNVERIFIED |
| ICIllinois Cement CO | Lasalle | — | ◇ UNVERIFIED |
| JCJohn Crane INC | Crystal Lake | — | ◇ UNVERIFIED |
| OCOzinga Chicago Rmc INC | Chicago | — | ◇ UNVERIFIED |
| OCOzinga Concrete Products | Sycamore | — | ◇ UNVERIFIED |
| OIOzinga Illinois Rmc INC | Joliet | — | ◇ UNVERIFIED |
| OIOzinga Illinois Rmc INC | Alsip | — | ◇ UNVERIFIED |
| OIOzinga Illinois Rmc INC | Plainfield | — | ◇ UNVERIFIED |
| OIOzinga Illinois Rmc INC | Lemont | — | ◇ UNVERIFIED |
| OIOzinga Illinois Rmc INC | Montgomery | — | ◇ UNVERIFIED |
| OROzinga Ready Mix Company | Chicago | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete - Chinatown | Chicago | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete Desplaines Yard | Des Plaines | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete - Evanston Yard | Evanston | — | ◇ UNVERIFIED |
| OROzinga Ready Mix Concrete INC | Lake Bluff | — | ◇ UNVERIFIED |
| PMPrairie Material Sales INC | Northbrook | — | ◇ UNVERIFIED |
| PRPremier Refractories & Chemicals Incorporated | Chicago Heights | — | ◇ UNVERIFIED |
| TPTpg Pressure INC | South Beloit | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois Building Materials LLC Yard 1019 | East Dundee | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1001 | Bridgeview | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1005 | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1024 | Vernon Hills | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1033 | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1037 | Champaign | — | ◇ UNVERIFIED |
| VPVcna Prairie INC Yard 1025 | Decatur | — | ◇ UNVERIFIED |
| VPVcna Prairie INC - Yard 1026 | Bloomington | — | ◇ UNVERIFIED |
| VPVcna Prairie Inc-yard 1032 | Chicago | — | ◇ UNVERIFIED |
| VPVcna Prairie INC - Yard 1130 | Shorewood | — | ◇ UNVERIFIED |
| VPVcna Prairie INC - Yard 1135 | Batavia | — | ◇ UNVERIFIED |
| VPVcna Prairie - Yard 1008 | Des Plaines | — | ◇ UNVERIFIED |
| VPVcna Prairie Yard 1015 | Hazel Crest | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix INC | Joliet | — | ◇ UNVERIFIED |
| CRCapital Ready Mix | Springfield | — | ◇ UNVERIFIED |
| URUpchurch Ready Mix Concrete | Cahokia | — | ◇ UNVERIFIED |
 American Wilbert Vault Des Plaines | Des Plaines | 20–99 | ◐ LIKELY ACTIVE |
| BRBlager Ready Mix Concrete Production | Urbana | — | ◐ LIKELY ACTIVE |
| CACatalyst Acoustics Group Mw | North Aurora | 100–499 | ◐ LIKELY ACTIVE |
| CFCharleston Farrier | Charleston | 1–19 | ◐ LIKELY ACTIVE |
| CRChief Redi-mix INC | Pontiac | — | ◐ LIKELY ACTIVE |
| CQCHI Quikrete | Elburn | 20–99 | ◐ LIKELY ACTIVE |
| CSConcrete Strategies | Bloomington | — | ◐ LIKELY ACTIVE |
| CMCrm Materials INC | Mason City | — | ◐ LIKELY ACTIVE |
| DPDukane Precast - Aurora Plant | Aurora | 100–499 | ◐ LIKELY ACTIVE |
| FPFactory Plaza, INC | Bensenville | 20–99 | ◐ LIKELY ACTIVE |
| GCGerali Custom Design, INC. | Elgin | 20–99 | ◐ LIKELY ACTIVE |
| LALombard Architectural Precast Products Company | Alsip | 20–99 | ◐ LIKELY ACTIVE |
| MIMenards INC | Plano | — | ◐ LIKELY ACTIVE |
| MCMid-illinois Concrete INC | Sullivan | — | ◐ LIKELY ACTIVE |
