| RMRocky Mountain Asphalt, LLC | Belgrade | MT | — | ◇ UNVERIFIED |
| RMRocky Mountain Materials & Asphalt INC | City Name Not Provided | CO | — | ◇ UNVERIFIED |
| RPRocon Paving | Mc Grath | MN | — | ◇ UNVERIFIED |
| RRRodriguez Ready Mix | Arecibo | PR | — | ◇ UNVERIFIED |
| RGRogers Group, INC. | Nashville | TN | — | ◇ UNVERIFIED |
| RGRogers Group, INC. | Switz City | IN | — | ◇ UNVERIFIED |
| RGRogers Group, INC - Cowan Asphalt- Turbo | Cowan | TN | — | ◇ UNVERIFIED |
| RGRogers Group, INC - Fentress CO. Generator | Pall Mall | TN | — | ◇ UNVERIFIED |
| RGRogers Group, INC. - Madison Closed | Madison | TN | — | ◇ UNVERIFIED |
| RGRogers Group INC - Marion Quarry Asphalt Plant | Marion | KY | — | ◇ UNVERIFIED |
| RGRogers Group, Inc.-portable | Bloomington | IN | — | ◇ UNVERIFIED |
| RGRogers Group INC - Portable Plant B | Cadiz | KY | — | ◇ UNVERIFIED |
| RGRogers Group, INC - Pulaski Asphalt | Pulaski | TN | — | ◇ UNVERIFIED |
| RGRogers Group, INC. - Rogers Group Cash Asphalt | Cash | AR | — | ◇ UNVERIFIED |
| RGRogers Group, INC - Shelbyville Asphalt | Shelbyville | TN | — | ◇ UNVERIFIED |
| RGRogers Group INC Sieboldt Quarry | Springville | IN | — | ◇ UNVERIFIED |
| RGRogers Group, Inc.-vincennes Asphalt | Vincennes | IN | — | ◇ UNVERIFIED |
| RGRogers Group Recycled Asphalt Pavement (rap)fkamid Tennessee Reception Ctr | Nashville | TN | — | ◇ UNVERIFIED |
| RARogue Aggregates | White City | OR | — | ◇ UNVERIFIED |
| R1Roper - 150tph Portable Hma - Gcp3-9916 | Capitan | NM | — | ◇ UNVERIFIED |
| RURosemount Umore Asphalt | Rosemount | MN | — | ◇ UNVERIFIED |
| RIRoss Island Sand & Gravel CO | Portland | OR | — | ◇ UNVERIFIED |
| RCRowe Construction Co-plant 6 | Washington | IL | — | ◇ UNVERIFIED |
| RHRti Hot Mix North Asphalt Plant | Georgetown | TX | — | ◇ UNVERIFIED |
| RSRt Site Development, LLC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| RPRussell Paving Co, INC. | East New Market | MD | — | ◇ UNVERIFIED |
| RSRussell Standard Baltimore | Curtis Bay | MD | — | ◇ UNVERIFIED |
| RSRussell Standard CORP | Waterford | PA | — | ◇ UNVERIFIED |
| RSRussell Standard Seaford | Seaford | DE | — | ◇ UNVERIFIED |
| SFSafe Fix | Maywood | CA | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Company - Plant 4 | Saginaw | MI | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Paving CO | Ubly | MI | — | ◇ UNVERIFIED |
| SKSalina, Ks Stockpile | Salina | KS | — | ◇ UNVERIFIED |
| SASalmon Asphalt and Paving 00443 | Portable | ID | — | ◇ UNVERIFIED |
| SFSam Finley Asphalt | Brookhaven | MS | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction:#1 | Summerville | SC | — | ◇ UNVERIFIED |
| SJSan Joaquin Refining CO. | Bakersfield | CA | — | ◇ UNVERIFIED |
| SBSanta Barbara Trust for Historic Preservation | Santa Barbara | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Aggregates INC. | Woodlake | CA | — | ◇ UNVERIFIED |
| SCSargent Corporation | Hermon | ME | — | ◇ UNVERIFIED |
| SOSayler of AL, Inc | Decatur | AL | — | ◇ UNVERIFIED |
| SOSayler of GA, Inc. | Atlanta | GA | — | ◇ UNVERIFIED |
| SPScanlon Pit | Cloquet | MN | — | ◇ UNVERIFIED |
| SSScappoose Sand and Gravel CO | Scappoose | OR | — | ◇ UNVERIFIED |
| SCSchellinger Construction CO. INC. | Seeley Lake | MT | — | ◇ UNVERIFIED |
| SCSchiralli Construction CORP / Portable Plant 1 | Wilson | OK | — | ◇ UNVERIFIED |
| SCSchmidt Construction Co.-delta Drive Fac | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SESchrader Environmental Services | Fort Collins | CO | — | ◇ UNVERIFIED |
| SISchuller International, INC. | Willows | CA | — | ◇ UNVERIFIED |
| SMScioto Materials LLC (0125042399) | Columbus | OH | — | ◇ UNVERIFIED |
