| RCRocla Concrete Tie Incorporated | Denver | CO | — | ◇ UNVERIFIED |
| RRRoessler Ready Mix INC | Columbia | IL | — | ◇ UNVERIFIED |
| RFRogers Field Production Facility | Nebo | LA | — | ◇ UNVERIFIED |
| RGRogers Group INC | Henderson | KY | — | ◇ UNVERIFIED |
| RGRogers Group INC Bloomington Crushed Stone | Bloomington | IN | — | ◇ UNVERIFIED |
| RGRogers Group, INC - Candora Asphalt | Knoxville | TN | — | ◇ UNVERIFIED |
| RGRogers Group Inc-crossville Asphalt Plant | Crossville | TN | — | ◇ UNVERIFIED |
| RGRogers Group, INC - El Paso Asphalt | El Paso | AR | — | ◇ UNVERIFIED |
| RGRogers Group, INC. Gallatin Rap Storage | Gallatin | TN | — | ◇ UNVERIFIED |
| RGRogers Group INC - Gray Court Asphalt Plant | Gray Court | SC | — | ◇ UNVERIFIED |
| RGRogers Group INC Greene CO Asphalt | Switz City | IN | — | ◇ UNVERIFIED |
| RGRogers Group INC - Hopkinsville Asphalt | Hopkinsville | KY | — | ◇ UNVERIFIED |
| RGRogers Group, Inc., La Follette Asphalt | Jacksboro | TN | — | ◇ UNVERIFIED |
| RGRogers Group, INC - Lewisburg Asphalt | Lewisburg | TN | — | ◇ UNVERIFIED |
| RGRogers Group, INC. - Livingston Quarry - Allons Plant/imi-tn, INC. | Livingston | TN | — | ◇ UNVERIFIED |
| RGRogers Group INC - Princeton Quarry | Princeton | KY | — | ◇ UNVERIFIED |
| RGRogers Group Inc, Ripley Asphalt | Ripley | MS | — | ◇ UNVERIFIED |
| RGRogers Group, INC. - Tuscumbia Quarry | Tuscumbia | AL | — | ◇ UNVERIFIED |
| RRRogers Ready Mix | Sparta | IL | — | ◇ UNVERIFIED |
| RRRogers Ready-mix & Materials | Byron | IL | — | ◇ UNVERIFIED |
| RRRogers Ready-mix & Materials INC | Rockford | IL | — | ◇ UNVERIFIED |
| RRRogers Redi-mix | Ruma | IL | — | ◇ UNVERIFIED |
| RVRoland Vaults, LTD (former State Mfg) | Norfolk | VA | — | ◇ UNVERIFIED |
| RARolla Asphalt - Rolla Plant | Rolla | MO | — | ◇ UNVERIFIED |
| RLRollcon Llc, Onsite Plant | Clinton | MS | — | ◇ UNVERIFIED |
| RRRonald Reagan Cbp | Georgetown | TX | — | ◇ UNVERIFIED |
| RTRoof to Road LLC | Louisville | KY | — | ◇ UNVERIFIED |
| RARosano Asphalt LLC | Howell | NJ | — | ◇ UNVERIFIED |
| RRRoscoe Ready - Mix INC | Pecatonica | IL | — | ◇ UNVERIFIED |
| RCRosebud Concrete INC | Mission | SD | — | ◇ UNVERIFIED |
| RGRose Gravel CO - B and G 2000 60tph No0033 | Carlsbad | NM | — | ◇ UNVERIFIED |
| RCRosenfeld Concrete CORP | Hopedale | MA | — | ◇ UNVERIFIED |
| RCRoseville Crushed Concrete | Roseville | MI | — | ◇ UNVERIFIED |
| RJRoubin & Janeiro | Washington | DC | — | ◇ UNVERIFIED |
| RCRouland Concrete and Supplies | Jacksonville | IL | — | ◇ UNVERIFIED |
| RCRoutt Cnty Bd O Comm | Steamboat Spgs | CO | — | ◇ UNVERIFIED |
| RCRowe Construction CO | Normal | IL | — | ◇ UNVERIFIED |
| RCRowe Construction CO | Heyworth | IL | — | ◇ UNVERIFIED |
| RCRowe Contracting CO | Malden | MA | — | ◇ UNVERIFIED |
| RMRowe Materials - Spotsylvania Plant | Fredericksburg | VA | — | ◇ UNVERIFIED |
| RCRowland Concrete Company | Danville | VA | — | ◇ UNVERIFIED |
| RNRoxboro - Nc Rmc | Roxboro | NC | — | ◇ UNVERIFIED |
| RRRoxbury Ready Mix Incorporated | Charles City | VA | — | ◇ UNVERIFIED |
| RRR R Beasley Incorporated - Kilmarnock | Kilmarnock | VA | — | ◇ UNVERIFIED |
| RHRti Hot Mix Florence Quarry Asphalt Plant | Georgetown | TX | — | ◇ UNVERIFIED |
| RHRti Hot Mix Garden Ridge Hmp | New Braunfels | TX | — | ◇ UNVERIFIED |
| RHRti Hot Mix Mustang Ridge Asphalt Plant | Austin | TX | — | ◇ UNVERIFIED |
| RHRti Hot Mix South Asphalt Plant | Buda | TX | — | ◇ UNVERIFIED |
| RRRuach Resources LLC - Portable Wash Plant I | Tioga | ND | — | ◇ UNVERIFIED |
| RBRubble Bee Recycling | Stafford | VA | — | ◇ UNVERIFIED |
| RHRulon Harper Construction, INC. Pit No. 6 | Salt Lake County | UT | — | ◇ UNVERIFIED |
| RCRusk County Highway Department | Ladysmith | WI | — | ◇ UNVERIFIED |
| RCRussell County Asphalt Plant | Castlewood | VA | — | ◇ UNVERIFIED |
| RRRussell Ready Mix Concrete | Russell | KS | — | ◇ UNVERIFIED |
| RSRussell S&g - Portable Asphalt Plant 2 ,gcp3 - 3200 | Portable Source | NM | — | ◇ UNVERIFIED |
| RSRussell Standard / Hammaker East LTD | Akron | OH | — | ◇ UNVERIFIED |
| RARustin Ardmore Rmc Plant | Ardmore | OK | — | ◇ UNVERIFIED |
| RCRvier City Redemix | Salmon | ID | — | ◇ UNVERIFIED |
| RERyco Equipment Leasing R L L P | Colorado City | CO | — | ◇ UNVERIFIED |
| SSacaton | Sacaton | AZ | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Company - Plant 2 | Saginaw | MI | — | ◇ UNVERIFIED |
| SASaginaw Asphalt Paving CO | Vassar | MI | — | ◇ UNVERIFIED |
| SRSaginaw Rock Products Company | Saginaw | MI | — | ◇ UNVERIFIED |
| SCSaguache Cnty Road & Bridge Dept | Del Norte | CO | — | ◇ UNVERIFIED |
| SNSaint-gobain Norpro | Stow | OH | — | ◇ UNVERIFIED |
| SASan Angelo 1 | San Angelo | TX | — | ◇ UNVERIFIED |
| SASan Angelo 2 | San Angelo | TX | — | ◇ UNVERIFIED |
| SASan Angelo Ready Mix Plant | San Angelo | TX | — | ◇ UNVERIFIED |
| SISandco INC | Durango | CO | — | ◇ UNVERIFIED |
| SESandeno East INC | Hazel Crest | IL | — | ◇ UNVERIFIED |
| SISandeno INC | Rockdale | IL | — | ◇ UNVERIFIED |
| SBSanders Brothers Construction | Summerville | SC | — | ◇ UNVERIFIED |
| SCSandidge Concrete - Jefferson City | Jefferson City | MO | — | ◇ UNVERIFIED |
| SASanford Airport Temporary Batch Plant | Sanford | FL | — | ◇ UNVERIFIED |
| SFSan Francisco (a) | San Francisco | CA | — | ◇ UNVERIFIED |
| SCSannipoli CORP | Menifee | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Aggregates, INC. | Waterford | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Materials, Winton Plant | Winton | CA | — | ◇ UNVERIFIED |
| SXSan Xavier Rock & Materials - Cortaro Plant #23 | Tucson | AZ | — | ◇ UNVERIFIED |
| SCSanzari Construction CO | Lyndhurst | NJ | — | ◇ UNVERIFIED |
| SCSargent Corporation | Stillwater | 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 |
| SBS B Cox Incorporated - Powhatan | Powhatan | VA | — | ◇ UNVERIFIED |
| SBS B Cox Ready Mix INC Doswell Plant | Doswell | VA | — | ◇ UNVERIFIED |
| SBSbs Blacktop Service INC | Hibbing | MN | — | ◇ UNVERIFIED |
| SCScc Concrete INC | Lopatcong | NJ | — | ◇ UNVERIFIED |
| SRSchaaf Redi Mix | Atkinson | NE | — | ◇ UNVERIFIED |
| SCSchellinger Construction - 3045 | Hamilton | MT | — | ◇ UNVERIFIED |
| STSchlumberger Technology Corporation | Grand Junction | CO | — | ◇ UNVERIFIED |
| SCSchmidt Const CO | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SCSchmidt Const CO | Castle Rock | CO | — | ◇ UNVERIFIED |
| STSchmidt Tiago Const CO | Arvada | CO | — | ◇ UNVERIFIED |
| SLSchneider Labs INC | Richmond | VA | — | ◇ UNVERIFIED |
| SQSchoharie Quarry | Schoharie | NY | — | ◇ UNVERIFIED |
| SSSchrey Systems INC | Newton | IL | — | ◇ UNVERIFIED |
| SCSchuster Concrete Ready Mix Llc-guilford Rd | Jessup | MD | — | ◇ UNVERIFIED |
| SCSchuster Concrete Ready Mix Llc-hobbs Rd | Denton | MD | — | ◇ UNVERIFIED |
| SCSchuster Concrete Ready Mix Llc-southlawn Ln | Rockville | MD | — | ◇ UNVERIFIED |
