| RMReady Mix Solutions LLC | Cairo | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRed-e-mix-granite City | Granite City | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RERed E Mix LLC | Mascoutah | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RERed E Mix LLC | Columbia | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RERed E Mix LLC | O'fallon | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RPRefractory Products CO | Elgin | IL | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| RCRegal Cut Stone, LLC | Chicago | IL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| RAReliable Asphalt Corporation | Chicago | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RVRex Vault and Mausoleum Services, INC. | Newton | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RGRhelge Glass Art | Northbrook | IL | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| RCRiber Construction INC | Dwight | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RBRichards Brick CO | Edwardsville | IL | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| RSRid Stone, INC. | Westmont | IL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| RCRippel Construction INC | Bureau Junction | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRippel Ready Mix INC | Bloomington | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRiver Redi Mix | Vandalia | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRiver Redi Mix | Blackstone | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRiver Redi - Mix INC | Marseilles | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRiver Redi Mix INC | Ransom | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRiver Redi Mix INC | Ransom | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RERjf Enterprises, INC. | Mounds | IL | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| RLR & L Ready Mix Concrete INC | Robinson | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRoanoke Concrete Products CO | East Peoria | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRoanoke Concrete Products CO | Roanoke | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRoanoke Concrete Products CO | Eureka | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRoanoke Concrete Products CO | Galesburg | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRoanoke Concrete Products CO | Lincoln | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRoanoke Concrete Products INC | Mossville | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRoanoke Concrete Products INC | Normal | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRoanoke Concrete Products INC | Toluca | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRock River Lumber & Grain CO | Prophetstown | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRogers Ready Mix & Materials | Durand | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRogers Ready Mix & Materials INC | Roscoe | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRogers Ready Mix & Materials INC | Oregon | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRogers Ready-mix & Materials INC | Byron | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRogers Ready-mix & Materials INC | Rochelle | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRogers Ready-mix & Materials INC | Rochelle | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRoger's Redi-mix INC | Valmeyer | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRoger's Redi-mix INC | New Athens | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRogers Redi-mix INC | Chester | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRogers Redi-mix INC | Waterloo | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRogers Redi-mix INC | Steeleville | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRowe Construction CO | Normal | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRowe Construction CO - Plant 150 | Bloomington | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRowe Construction Co-plant 170 | Bloomington | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRrv Renovations, LLC | Machesney Park | IL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| RIRub-r-tek INC | Olney | IL | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| SCSchirz Concrete Products INC | Greenfield | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SCSesser Concrete Products CO | Sesser | IL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| SSSilvia Statuary | Chicago | IL | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
