| QVQuality Vaults & Monuments, INC. | Ocoee | FL | — | ◇ UNVERIFIED |
| QWQuality Way Products | Holly | MI | — | ◇ UNVERIFIED |
| QVQualty Vaults & Monuments, INC. | Ocoee | FL | — | ◇ UNVERIFIED |
| QQuikrete | Lackawanna | NY | — | ◇ UNVERIFIED |
| QBQuikrete Birmingham, INC. | Birmingham | AL | — | ◇ UNVERIFIED |
| QQuikrete-chicago | Elburn | IL | — | ◇ UNVERIFIED |
| QCQuikrete Companies LLC Dba Quikrete | San Diego | CA | — | ◇ UNVERIFIED |
| QCQuikrete - Connecticut INC. | Wauregan | CT | — | ◇ UNVERIFIED |
| QKQuikrete - Kentucky | Louisville | KY | — | ◇ UNVERIFIED |
| QLQuikrete - La Feria | La Feria | TX | — | ◇ UNVERIFIED |
| QOQuikrete of Ca Dba Quikrete City of Industry | Industry | CA | — | ◇ UNVERIFIED |
| QWQuikrete Wisconsin INC | Sussex | WI | — | ◇ UNVERIFIED |
| QWQuincy Wilbert Vault CO | Quincy | IL | — | ◇ UNVERIFIED |
| QBQuintal Burial Vaults, INC | Dighton | MA | — | ◇ UNVERIFIED |
| RPRabers Precast Products | Cambridge | OH | — | ◇ UNVERIFIED |
| RURail.one USA CORP. | Clinton | IA | — | ◇ UNVERIFIED |
| RBRancho Block Company | San Bernardino | CA | — | ◇ UNVERIFIED |
| RCRas Concrete Construction, INC. | Naples | FL | — | ◇ UNVERIFIED |
| RBRcp Block & Brick INC | Santee | CA | — | ◇ UNVERIFIED |
| RBRcp Block & Brick INC | San Diego | CA | — | ◇ UNVERIFIED |
| RBRcp Block & Brick INC. | Lemon Grove | CA | — | ◇ UNVERIFIED |
| RLRcss Llc, Dba Redondo Manufacturing | San Antonio | TX | — | ◇ UNVERIFIED |
| RMReady Mix Usa,llc | Birmingham | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA Llc- Jasper Block Plant | Jasper | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Sylacauga Block | Sylacauga | AL | — | ◇ UNVERIFIED |
| RSRebar Spacer Block Company INC | Alviso | CA | — | ◇ UNVERIFIED |
| RSRedbay Sand Company INC | Ponce De Leon | FL | — | ◇ UNVERIFIED |
| RMRedondo Manufacturing | San Antonio | TX | — | ◇ UNVERIFIED |
| RVRedwood Valley Gravel Product INC | Redwood Valley | CA | — | ◇ UNVERIFIED |
| RAReliable Asphalt Corporation | Chicago | IL | — | ◇ UNVERIFIED |
| RCReliable Concrete Products and Ornamental Iron, INC. | Kansas City | KS | — | ◇ UNVERIFIED |
| RPRev's Pre-Cast Concrete Corp. | Waukesha | WI | — | ◇ UNVERIFIED |
| RVRex Vault and Mausoleum Services, INC. | Newton | IL | — | ◇ UNVERIFIED |
| RVRex Vault & Mausoleum Service INC | Newton | IL | — | ◇ UNVERIFIED |
| RFR F Herrera Concrete Construction | San Dimas | CA | — | ◇ UNVERIFIED |
| RCRialto Concrete Products, INC. | Palmdale | CA | — | ◇ UNVERIFIED |
| RCRiccobene Concrete Masonry and Design | Albuquerque | NM | — | ◇ UNVERIFIED |
 Richards-wilbert INC - Roanoke Valley | Salem | VA | — | ◇ UNVERIFIED |
| RSRichey Services, LLC | Grove | OK | — | ◇ UNVERIFIED |
| RERichwood Equipment Company LLC | Springfield | OH | — | ◇ UNVERIFIED |
| RMRidge Mfg CORP | Rockaway | NJ | — | ◇ UNVERIFIED |
| RRRiley Ready Mix & Materials, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| RIRinker Indianapolis Pipe | Indianapolis | IN | — | ◇ UNVERIFIED |
| RMRinker Materials Hydro Conduit | Denver | CO | — | ◇ UNVERIFIED |
| RBRiverview Block INC. | Berwick | PA | — | ◇ UNVERIFIED |
| RSRiviera Stoneworks, INC. | Foley | AL | — | ◇ UNVERIFIED |
| RSRj Staab Stone Company of Florida, LLC | Gainesville | FL | — | ◇ UNVERIFIED |
| RPRmr Products INC | Pacoima | CA | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix | San Diego | CA | — | ◇ UNVERIFIED |
| RRRobertsons Ready Mix | Escondido | CA | — | ◇ UNVERIFIED |
