| RMReady Mix USA LLC - Enterprise Plant | Enterprise | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Greenville Facility | Greenville | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Harvest Plant | Harvest | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA Llc-lawrenceville Plant | Lawrenceville | GA | — | ◇ UNVERIFIED |
| RMReady Mix Usa, Llc-livingston Facility | Livingston | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC - Midtown Atlanta Plant | Atlanta | GA | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Mooresville Plant - 5217 | Madison | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA Llc-morristown Plant | Morristown | TN | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC - Panama City Main Plant | Panama City | FL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, Llc-phenix City Facility | Phenix City | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Sorrento Rd | Pensacola | FL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Sylacauga Block | Sylacauga | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Troy Facility | Troy | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Woodstock Plant | Woodstock | GA | — | ◇ UNVERIFIED |
| RMReady Mix USA - Marianna Plant | Marianna | FL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, Marietta Plant | Marietta | GA | — | ◇ UNVERIFIED |
| RMReady Mix USA - Mitlon | Milton | FL | — | ◇ UNVERIFIED |
| RMReady Mix USA - Navy Federal Credit Union | Pensacola | FL | — | ◇ UNVERIFIED |
| RMReady Mix USA - Panama City Facility | Panama City | FL | — | ◇ UNVERIFIED |
| RMReady Mix USA - Pelham Facility | Pelham | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA - Port St Joe Plant | Port Saint Joe | FL | — | ◇ UNVERIFIED |
| RMReady Mix USA - Skanska | Pensacola | FL | — | ◇ UNVERIFIED |
| RMReady Mix Usa-tarrant Facility | Birmingham | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA - Tyndall Afb | Tyndall Afb | FL | — | ◇ UNVERIFIED |
| RMReady Mix USA Winfield Plant | Winfield | AL | — | ◇ UNVERIFIED |
| RCReames Concrete Company (sparks) | Sparks | GA | — | ◇ UNVERIFIED |
| RCReames Concrete Co- Perry | Perry | GA | — | ◇ UNVERIFIED |
| RRReames Rd Concrete Plant | Charlotte | NC | — | ◇ UNVERIFIED |
| RBRec - Belle Plaine | Henderson | MN | — | ◇ UNVERIFIED |
| RMRecrete Materials-port. Conc. Plnt | Aurora Area | CO | — | ◇ UNVERIFIED |
| RARecycled Aggregates - Dc Rock Plant | Washington | DC | — | ◇ UNVERIFIED |
| RMRecycled Materials CO. (nordberg Cr) | Arvada | CO | — | ◇ UNVERIFIED |
| RBRed Bird Pre-mix Company-bridgeton | Bridgeton | MO | — | ◇ UNVERIFIED |
| RERed E Mix LLC | Litchfield | IL | — | ◇ UNVERIFIED |
| RERed E Mix LLC | Jerseyville | IL | — | ◇ UNVERIFIED |
| RCRedimix Companies, INC. - Dover | Dover | NH | — | ◇ UNVERIFIED |
| RCRedimix Companies, INC. - Manchester | Manchester | NH | — | ◇ UNVERIFIED |
| RCRedi-mix Concrete Prosper Plan | Prosper | TX | — | ◇ UNVERIFIED |
| RDRedi-mix Dallas | Dallas | TX | — | ◇ UNVERIFIED |
| RQRedland Quarries Ny INC - Niagara Falls Quarry | Niagara Falls | NY | — | ◇ UNVERIFIED |
| RCReece Construction Company | Arlington | WA | — | ◇ UNVERIFIED |
| RCReed Contracting Services | Decatur | AL | — | ◇ UNVERIFIED |
| RCReed Contracting Services INC | Laceys Spring | AL | — | ◇ UNVERIFIED |
| RCReeves Construction CO. | Macon | GA | — | ◇ UNVERIFIED |
| RCReeves Construction CO. | Grovetown | GA | — | ◇ UNVERIFIED |
| RCReeves Construction CO. - Camak | Warrenton | GA | — | ◇ UNVERIFIED |
| RCReeves Construction Company | Tifton | GA | — | ◇ UNVERIFIED |
| RCReeves Construction Company | Albany | GA | — | ◇ UNVERIFIED |
| RCReeves Construction CO. (plt 10) | Statesboro | GA | — | ◇ UNVERIFIED |
| RCReeves Construction CO. (portable Plt 706) | Moultrie | GA | — | ◇ UNVERIFIED |
| RRRegional Ready Mix LLC | Rochelle | IL | — | ◇ UNVERIFIED |
| RER E Heidt Construction CO INC | Westlake | LA | — | ◇ UNVERIFIED |
| RCReis Concrete Products INC | Alexandria | KY | — | ◇ UNVERIFIED |
| RAReliable Asphalt CORP | Chicago | IL | — | ◇ UNVERIFIED |
| RCReliable Contracting Company, INC. - Gambrills | Millersville | MD | — | ◇ UNVERIFIED |
| RCReliable Contracting Company, INC. - Glen Burnie | Glen Burnie | MD | — | ◇ UNVERIFIED |
| RLReliable Laflin LLC | Chicago | IL | — | ◇ UNVERIFIED |
| RMReliable Materials CORP of Il | Chicago | IL | — | ◇ UNVERIFIED |
| RER E Monks Const | Colorado Springs | CO | — | ◇ UNVERIFIED |
| RPRex Portable Concrete Plant No. 2701 | Claremore | OK | — | ◇ UNVERIFIED |
| RVRex Vault & Mausoleum Service INC | Newton | IL | — | ◇ UNVERIFIED |
| RRReynolds Ready Mix LLC | Loxley | AL | — | ◇ UNVERIFIED |
| RAR&f Asphalt | Ponce | PR | — | ◇ UNVERIFIED |
| RHR H Loven Co, INC. | Boone | NC | — | ◇ UNVERIFIED |
| RCRialto Concrete Products INC | Rialto | CA | — | ◇ UNVERIFIED |
| RCRibble Contracting - 60tph Asphalt Plant No1559 | Deming | NM | — | ◇ UNVERIFIED |
| RCRichmond Concrete Richmond Plant Division of Ernst Enterprises | Richmond | IN | — | ◇ UNVERIFIED |
| RRRich Readimix Concrete INC | Greenbrae | CA | — | ◇ UNVERIFIED |
| RMRidge Mfg CORP | Rockaway | NJ | — | ◇ UNVERIFIED |
| RRRidge Rock - East Ellijay Plant | East Ellijay | GA | — | ◇ UNVERIFIED |
| RCRiemers-kaufman Concrete Products | Lincoln | NE | — | ◇ UNVERIFIED |
| RRRieth Riley Construction CO | Indianapolis | IN | — | ◇ UNVERIFIED |
| RRRieth Riley Construction CO INC | Ada | MI | — | ◇ UNVERIFIED |
| RRRieth Riley Construction CO INC | Traverse City | MI | — | ◇ UNVERIFIED |
| RRRieth Riley Construction Co, INC. | Saint James | MI | — | ◇ UNVERIFIED |
| RRRieth Riley Construction Co., INC. | Benton Harbor | MI | — | ◇ UNVERIFIED |
| RRRieth Riley Construction Co., INC. | Lansing | MI | — | ◇ UNVERIFIED |
| RCRieth-riley Construction CO INC | Kalamazoo | MI | — | ◇ UNVERIFIED |
| RCRieth-riley Construction Co., INC. | Big Rapids | MI | — | ◇ UNVERIFIED |
| RCRieth-riley Construction Co., INC. | Grand Rapids | MI | — | ◇ UNVERIFIED |
| RCRieth-riley Construction Co., INC. | Zeeland | MI | — | ◇ UNVERIFIED |
| RCRieth-riley Construction Co., INC. | Mason | MI | — | ◇ UNVERIFIED |
| RCRieth-riley Construction Company, INC. | Lima | IN | — | ◇ UNVERIFIED |
| RRRieth Riley Construction Company Incorporated | South Bend | IN | — | ◇ UNVERIFIED |
| RRRieth Riley Construction Company Incorporated | Gary | IN | — | ◇ UNVERIFIED |
| RRRieth Riley Construction Company Incorporated | Cloverdale | IN | — | ◇ UNVERIFIED |
| RCRieth-riley Construction Company Incorporated | Fremont | IN | — | ◇ UNVERIFIED |
| RLRight/pointe LLP | Dekalb | IL | — | ◇ UNVERIFIED |
| RBRiley Brothers | Bellingham | MA | — | ◇ UNVERIFIED |
| RRRiley Ready Mix & Materials Inc-riley Ready Mix & Materials INC | Saint Louis | MO | — | ◇ UNVERIFIED |
| RARinker Albuquerque Pipe | Bernalillo | NM | — | ◇ UNVERIFIED |
| RARinker Alexandria Pipe | Alexandria | LA | — | ◇ UNVERIFIED |
| RCRinker Charlotte Pipe | Concord | NC | — | ◇ UNVERIFIED |
| RCRinker Columbia Pipe | Columbia | SC | — | ◇ UNVERIFIED |
| RERinker El Paso Pipe | Santa Teresa | NM | — | ◇ UNVERIFIED |
| RGRinker Greenfield Pipe | Greenfield | IN | — | ◇ UNVERIFIED |
| RLRinker Las Vegas Pipe | Henderson | NV | — | ◇ UNVERIFIED |
| RMRinker Materials | Littleton | CO | — | ◇ UNVERIFIED |
| RMRinker Materials | West Des Moines | IA | — | ◇ UNVERIFIED |
| RMRinker Materials Hydro Conduit | Grand Island | NE | — | ◇ UNVERIFIED |
