| CRCardinal Red-e-mix | East Moline | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CRCardinal Red-e-mix CO | Carbon Cliff | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCarus Chemical CO | Ottawa | IL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CBChampaign Builders Supply CO | Champaign | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CFChicago Finished Metals INC | Bridgeview | IL | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| CSConcrete Specialties CO | Franklin Park | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CSConcrete Specialties CO Hazel Crest | Markham | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CSConcrete Supply LLC | Alorton | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSConcrete Supply LLC | Madison | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSConcrete Supply LLC | Godfrey | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSConcrete Supply LLC | Roxana | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSConcrete Supply LLC | Roxana | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCContractors Concrete INC | Pana | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCContractors Concrete INC | Tolono | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCContractors Concrete INC | Effingham | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCContractors Concrete INC | Shelbyville | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCornick Concrete Products CO | Pekin | IL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| CMCounty Materials CORP | Springfield | IL | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| CPCounty Prestress LLC | Salem | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCounty Prestress LLC | Champaign | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCovia | Ottawa | IL | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CMCowhey Materials and Fuel | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCraft Concrete Products INC | Cary | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CCrush-crete | Addison | IL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CRCurry Ready Mix INC | Pawnee | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CRCurry Ready Mix of Carlinville INC | Staunton | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CRCurry Ready Mix of Carlinville INC | Raymond | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DCDarnall Concrete Products CO | Normal | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DCDecatur Construction Services INC | Decatur | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DCDicicco Concrete Products CO | Chicago Heights | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| DIDoll's INC | Olney | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DPDukane Precast CO | Naperville | IL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| DPDukane Precast INC | Plainfield | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| EGEagle Grinding Wheel CORP | Chicago | IL | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| EIEastern Illinois Precast,inc. | Charleston | IL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| EREdwards Ready Mix | Geneseo | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ECElmhurst Chicago Stone | Elgin | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| ECElmhurst Chicago Stone CO | Elmhurst | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| EBElston Block Plant | Chicago | IL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| EEnnis-flint | Niles | IL | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| ESEt Stimonds Construction CO | Utica | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FCFayette County Concrete INC | Vandalia | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
 Fives Landis CORP | South Beloit | IL | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| FRForrest Redi-mix Inc/gilman | Gilman | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FRFox Ridge Stone CO | Oswego | IL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| GCGalassi Cut Stone | Worth | IL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| GCGalva Concrete | Galva | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GEGayton Enterprises LLC | New Lenox | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GCGem City Concrete LLC | Quincy | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GCGlen-gery CORP | Marseilles | IL | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
