| RURosemount Umore Asphalt | Rosemount | MN | — | ◇ UNVERIFIED |
| RIRoss Island Sand & Gravel CO | Portland | OR | — | ◇ UNVERIFIED |
| RCRoutt Cnty Bd O Comm | Steamboat Spgs | CO | — | ◇ UNVERIFIED |
| RCRowe Construction CO | Normal | IL | — | ◇ UNVERIFIED |
| RCRowe Construction CO | Heyworth | IL | — | ◇ UNVERIFIED |
| RCRowe Construction Co-plant 6 | Washington | IL | — | ◇ UNVERIFIED |
| RCRowe Contracting CO | Malden | MA | — | ◇ UNVERIFIED |
| RHRti Hot Mix North Asphalt Plant | Georgetown | TX | — | ◇ UNVERIFIED |
| RSRt Site Development, LLC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| RLRumble Landfill #2 | Sugar Creek | MO | — | ◇ 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 |
| RERyco Equipment Leasing R L L P | Colorado City | CO | — | ◇ UNVERIFIED |
| SISaddlehorn Interconnect 16-16-1222-12 | Hudson | CO | — | ◇ UNVERIFIED |
| SFSafe Fix | Maywood | CA | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| SSSafety-kleen Systems INC - Kimberly Facility - Fka U S Oil | Kimberly | WI | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Company - Plant 2 | Saginaw | MI | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Company - Plant 4 | Saginaw | MI | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Paving CO | Vassar | MI | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Paving CO | Ubly | MI | — | ◇ UNVERIFIED |
| SCSaguache Cnty Road & Bridge Dept | Del Norte | CO | — | ◇ UNVERIFIED |
| SOSales Oil CO | Denver | CO | — | ◇ UNVERIFIED |
| SKSalina, Ks Stockpile | Salina | KS | — | ◇ UNVERIFIED |
| SASalmon Asphalt and Paving 00443 | Portable | ID | — | ◇ UNVERIFIED |
| SFSam Finley Asphalt | Brookhaven | MS | — | ◇ UNVERIFIED |
| SESandeno East INC | Hazel Crest | IL | — | ◇ UNVERIFIED |
| SISandeno INC | Rockdale | IL | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction | Summerville | SC | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction:#1 | Summerville | SC | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction:#2 | N Charleston | SC | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction Company INC Mount Holly Plant | Moncks Corner | SC | — | ◇ UNVERIFIED |
| SPSand Pit | Lake Havasu City | AZ | — | ◇ UNVERIFIED |
| SJSan Joaquin Refining CO. | Bakersfield | CA | — | ◇ UNVERIFIED |
| SJSan Joaquin Refining CO. INC. | North Hollywood | CA | — | ◇ UNVERIFIED |
| SLSan Luis Tank Piping Construct | Sun Valley | CA | — | ◇ UNVERIFIED |
| SPSan Pablo Bay Pipeline Company LLC | Tracy | CA | — | ◇ UNVERIFIED |
| SBSanta Barbara Trust for Historic Preservation | Santa Barbara | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Aggregates INC. | Woodlake | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Aggregates, INC. | Waterford | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Springs Refinery | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SMSanta Maria Asphalt Refinery | Santa Maria | CA | — | ◇ UNVERIFIED |
| SCSanzari Construction CO | Lyndhurst | NJ | — | ◇ UNVERIFIED |
| SCSargent Corporation | Hermon | ME | — | ◇ UNVERIFIED |
| SPSarver Paving Company (0193) (0303010193) | Ashland | OH | — | ◇ UNVERIFIED |
| SCSatterfield Construction:# 3 | Blair | SC | — | ◇ UNVERIFIED |
| SCSatterfield Construction CO INC Graniteville Plt | Graniteville | SC | — | ◇ UNVERIFIED |
| SCSatterfield Construction Company - Clinton Asphalt Plant | Clinton | SC | — | ◇ UNVERIFIED |
