| PRPolitte Ready Mix-arcadia | Arcadia | MO | — | ◐ LIKELY ACTIVE |
| PRPowhatan Ready Mix - Flat Rock | Powhatan | VA | — | ◐ LIKELY ACTIVE |
| PMPreferred Materials Ab Ready Mix - Daytona Cbp | Daytona Beach | FL | — | ◐ LIKELY ACTIVE |
| PMPreferred Materials Cbp-kissimmee | Kissimmee | FL | — | ◐ LIKELY ACTIVE |
| PMPreferred Materials - Fmm Blvd Facility | Jacksonville | FL | — | ◐ LIKELY ACTIVE |
| PMPreferred Materials - Spring Hill Facility | Spring Hill | FL | — | ◐ LIKELY ACTIVE |
| PWProfessional Water Technologies | Vista | CA | — | ◐ LIKELY ACTIVE |
| PIPro-mix INC. / Structural Prestressed Industries | Medley | FL | — | ◐ LIKELY ACTIVE |
| PIPump-crete Inc-winter Haven Facility | Winter Haven | FL | — | ◐ LIKELY ACTIVE |
| PCPyro-chem Corporation | South Point | OH | — | ◐ LIKELY ACTIVE |
| QRQuality Ready Mix Jurica Plant | Corpus Christi | TX | — | ◐ LIKELY ACTIVE |
| QLQuestspecialty LLC - Myrtle | Wayne | MI | — | ◐ LIKELY ACTIVE |
| QRQuickcrete Ready Mix Plant | Medley | FL | — | ◐ LIKELY ACTIVE |
| QBQuikrete Birmingham, INC. | Birmingham | AL | — | ◐ LIKELY ACTIVE |
| QCQuikrete Construction Materials Llc-daytona Cbp | Daytona Beach | FL | — | ◐ LIKELY ACTIVE |
| QCQuikrete Construction Materials, LLC - Holder Batch Plant | Hernando | FL | — | ◐ LIKELY ACTIVE |
| QCQuikrete Construction Materials, LLC - Hudson Plant | Hudson | FL | — | ◐ LIKELY ACTIVE |
| QCQuikrete Construction Materials, LLC - Lake Wales Facility | Lake Wales | FL | — | ◐ LIKELY ACTIVE |
| QCQuikrete Construction Materials, LLC - Largo Facility | Largo | FL | — | ◐ LIKELY ACTIVE |
| QCQuikrete Construction Materials, LLC ? Palatka Cbp | Palatka | FL | — | ◐ LIKELY ACTIVE |
| QCQuikrete Construction Materials, LLC - Poinciana Ready Mix | Poinciana | FL | — | ◐ LIKELY ACTIVE |
| QCQuikrete Construction Materials LLC - Quikrete Ready Mix - Belle Chasse Plant | Belle Chasse | LA | — | ◐ LIKELY ACTIVE |
| QCQuikrete Construction Materials, Llc- St. Augustine Ready Mi | Saint Augustine | FL | — | ◐ LIKELY ACTIVE |
| QMQuikrete - Martinsville | Martinsville | VA | — | ◐ LIKELY ACTIVE |
| RSRbc Sand & Gravel INC. | Darby | MT | — | ◐ LIKELY ACTIVE |
| RMReady Mix Concrete, INC. | Sainte Genevieve, Township of | MO | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete CO | Lincoln | NE | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company | Kinston | NC | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company Garner Number 5 | Garner | NC | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company, Plant #9, Louisburg | Louisburg | NC | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company Wilson | Sims | NC | — | ◐ LIKELY ACTIVE |
| RMReady Mix Solutions LLC | Murphysboro | IL | — | ◐ LIKELY ACTIVE |
| RSReady-mix Solutions LLC | Carbondale | IL | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA - Alexander City Facility | Alexander City | AL | — | ◐ LIKELY ACTIVE |
| RMReady Mix Usa, LLC - Andalusia Facility | Andalusia | AL | — | ◐ LIKELY ACTIVE |
| RMReady Mix Usa, LLC - Monroeville Facility | Monroeville | AL | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA - New Tazewell | New Tazewell | TN | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA - Niceville Plant (west) | Niceville | FL | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA - Opelika Facility | Opelika | AL | — | ◐ LIKELY ACTIVE |
| RReagents | Charlotte | NC | — | ◐ LIKELY ACTIVE |
| RIRecycle INC. | South Plainfield | NJ | — | ◐ LIKELY ACTIVE |
| RRRichmond Rmc Plant | Richmond | VA | — | ◐ LIKELY ACTIVE |
| RRRitchey's Redi Mix INC | Wray | CO | — | ◐ LIKELY ACTIVE |
| RCRiver City Concrete, INC - Waynesboro Plant | Waynesboro | TN | — | ◐ LIKELY ACTIVE |
| RBRl Brink CORP | Quincy | IL | — | ◐ LIKELY ACTIVE |
| RRRobertson's Ready Mix | San Diego | CA | — | ◐ LIKELY ACTIVE |
| RRRockingham Redi-mix - Front Royal Facility | Front Royal | VA | — | ◐ LIKELY ACTIVE |
| RGRogers Group, INC. | Celina | TN | — | ◐ LIKELY ACTIVE |
| RGRogers Group, INC. Dba Dayton Concrete Plant | Dayton | TN | — | ◐ LIKELY ACTIVE |
| RRRogers Ready Mix 2 | Rogers | AR | — | ◐ LIKELY ACTIVE |