| RMRedi Mix Westlake Cbp Sn Ceclp327wlk | Westlake | TX | — | ◇ UNVERIFIED |
| RWRedi-mix Wylie Plant | Wylie | TX | — | ◇ UNVERIFIED |
| RMRed Mountain Mining INC | Mesa | AZ | — | ◇ UNVERIFIED |
| RMRedondo Manufacturing | San Antonio | TX | — | ◇ UNVERIFIED |
| RRRed River Ready Mix - Alumax Facility | Texarkana | TX | — | ◇ UNVERIFIED |
| RIRedrock International, LLC | Alvin | TX | — | ◇ UNVERIFIED |
| RVRedwood Valley Gravel Product INC | Redwood Valley | CA | — | ◇ UNVERIFIED |
| RCReed Contracting Services | Huntsville | AL | — | ◇ UNVERIFIED |
| RGReed & Graham INC | San Jose | CA | — | ◇ UNVERIFIED |
 Reef Innovations, INC. | Sarasota | FL | — | ◇ UNVERIFIED |
| RCReeves Construction CO. - Camak | Warrenton | GA | — | ◇ UNVERIFIED |
| RCReeves Construction CO - Dogwood Plant | Grovetown | GA | — | ◇ UNVERIFIED |
| RCReeves Construction Company - Lakeside Asphalt Plant | Greenville | SC | — | ◇ UNVERIFIED |
| RCReeves Construction Company - North Columbia Asphalt Plant | Columbia | SC | — | ◇ UNVERIFIED |
| RCReeves Construction Company - Statesboro Plant 801 | Statesboro | GA | — | ◇ UNVERIFIED |
| RSRegal Stone Incorporated | Worcester | MA | — | ◇ UNVERIFIED |
| RTRegency Tasman Holdings | Milpitas | CA | — | ◇ UNVERIFIED |
| RRRegina Rakowski | Mission Viejo | CA | — | ◇ UNVERIFIED |
| RRRegional Ready Mix LLC | Rochelle | IL | — | ◇ UNVERIFIED |
| RCReid Concrete LLC | La Pine | OR | — | ◇ UNVERIFIED |
| RPReid Paving, Inc. | Carrollton | GA | — | ◇ UNVERIFIED |
| RDReina De Las Rosas LLC | Oxnard | CA | — | ◇ UNVERIFIED |
| RCReiner Contracting, INC. | West Fargo | ND | — | ◇ UNVERIFIED |
| RCReis Concrete Products INC | Alexandria | KY | — | ◇ UNVERIFIED |
| RCReis Concrete Products INC | Falmouth | KY | — | ◇ UNVERIFIED |
| RAReliable Asphalt CORP | Chicago | IL | — | ◇ UNVERIFIED |
| RAReliable Asphalt Corporation | Chicago | IL | — | ◇ UNVERIFIED |
| RCReliable Concrete Products and Ornamental Iron, INC. | Kansas City | KS | — | ◇ UNVERIFIED |
| RCReliable Contracting CO. INC. | Waldorf | MD | — | ◇ UNVERIFIED |
| RCReliable Contracting Company, INC. | Annapolis | MD | — | ◇ 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 Mix Rmx 100 | Medicine Bow | WY | — | ◇ UNVERIFIED |
| RPReliable Paving, INC. | Bedford | TX | — | ◇ UNVERIFIED |
| RCRemedial Construction Services LP - Cameron Liquefaction Project Cbp #3 | Hackberry | LA | — | ◇ UNVERIFIED |
| RTRemediation Transportation Construction | Lost Hills | CA | — | ◇ UNVERIFIED |
| RER E Monks Const | Colorado Springs | CO | — | ◇ UNVERIFIED |
| RER E Monks Const CO | Colorado Springs | CO | — | ◇ UNVERIFIED |
| RMRe Monks Const CO | Florence | CO | — | ◇ UNVERIFIED |
| RCRenfro Const CO INC | Knoxville | TN | — | ◇ UNVERIFIED |
| RPReno Portable Ready Mix 4715 | Carson City | NV | — | ◇ UNVERIFIED |
| RRReno-sparks Ready Mix Inc/fernley Div | Fernley | NV | — | ◇ UNVERIFIED |
| RPReseda Park Apartments | Reseda | CA | — | ◇ UNVERIFIED |
| RPRev's Pre-Cast Concrete Corp. | Waukesha | WI | — | ◇ UNVERIFIED |
| RTRev Trust of Mary J Rivera | Huntington Beach | CA | — | ◇ UNVERIFIED |
| RPRex Portable Concrete Plant No. 2170 | Tulsa | OK | — | ◇ UNVERIFIED |
| RPRex Portable Concrete Plant No. 2185 | Concordia | KS | — | ◇ UNVERIFIED |
| RPRex Portable Concrete Plant No. 2185 | Junction City | KS | — | ◇ UNVERIFIED |
| RPRex Portable Concrete Plant No. 2643 | Tulsa | OK | — | ◇ UNVERIFIED |
| RPRex Portable Concrete Plant No. 2701 | Tulsa | OK | — | ◇ UNVERIFIED |
| RVRex Vault and Mausoleum Services, INC. | Newton | IL | — | ◇ UNVERIFIED |
| RVRex Vault & Mausoleum Service INC | Newton | IL | — | ◇ UNVERIFIED |
| RRReynolds Ready Mix LLC | Loxley | AL | — | ◇ UNVERIFIED |
| RPRey Presidente | Burbank | CA | — | ◇ UNVERIFIED |
| RFR F Herrera Concrete Construction | San Dimas | CA | — | ◇ UNVERIFIED |
| RGR & G Paving, Inc. | Toms River | NJ | — | ◇ UNVERIFIED |
| RARgv Asphalt LLC | Donna | TX | — | ◇ UNVERIFIED |
| RLRhino LLC | Denver | CO | — | ◇ UNVERIFIED |
| RRRhino Ready Mix, LLC | Houston | TX | — | ◇ UNVERIFIED |
| RHR H Loven Co, INC. | Boone | NC | — | ◇ UNVERIFIED |
| RCRialto Concrete Products, INC. | Palmdale | CA | — | ◇ UNVERIFIED |
| RPRian's Paving & Patching, INC. | Louisburg | NC | — | ◇ UNVERIFIED |
| RCRibble Contracting - 60tph Asphalt Plant No1559 | Deming | NM | — | ◇ UNVERIFIED |
| RCRiber Construction INC | Dwight | IL | — | ◇ UNVERIFIED |
| RMRicardo Maldonado | North Hills | CA | — | ◇ UNVERIFIED |
| RCRiccobene Concrete Masonry and Design | Albuquerque | NM | — | ◇ UNVERIFIED |
| RCRichard Corlin | Santa Monica | CA | — | ◇ UNVERIFIED |
| RFRichard F. Kline, INC | Frederick | MD | — | ◇ UNVERIFIED |
 Richards-wilbert INC - Roanoke Valley | Salem | VA | — | ◇ UNVERIFIED |
| RSRichey Services, LLC | Grove | OK | — | ◇ UNVERIFIED |
| RMRich Mix Products Dba Quikrete - Kansas City | Kansas City | KS | — | ◇ UNVERIFIED |
| RCRichmond Concrete Richmond Plant Division of Ernst Enterprises | Richmond | IN | — | ◇ UNVERIFIED |
| RHRichmond Hill (plant 10) | Richmond Hill | GA | — | ◇ UNVERIFIED |
| RNRichmond Nantucket Asphalt Plant | Nantucket | MA | — | ◇ UNVERIFIED |
| RRRichmond Rmc Plant | Richmond | VA | — | ◇ UNVERIFIED |
| RRRich Readimix Concrete INC | Greenbrae | CA | — | ◇ UNVERIFIED |
| RERichwood Equipment Company LLC | Springfield | OH | — | ◇ UNVERIFIED |
| RKRick Kovarik | Sacramento | CA | — | ◇ UNVERIFIED |
| RPRicks Paving & Sealing INC. | Horizon City | TX | — | ◇ UNVERIFIED |
| RRRico Rock, INC. | Seguin | TX | — | ◇ UNVERIFIED |
| RMRidge Mfg CORP | Rockaway | NJ | — | ◇ UNVERIFIED |
| RRRidgeway Real Estate Ii, LP | Westminster | CA | — | ◇ UNVERIFIED |
| RBRiegler Blacktop, INC | Florence | KY | — | ◇ UNVERIFIED |
| RARieth-riley Asphalt Plant #365 | South Bend | IN | — | ◇ UNVERIFIED |
| RARieth-riley Asphalt Plant #3670 | Valparaiso | IN | — | ◇ UNVERIFIED |
| RARieth-riley Asphalt Plant - Richmond | Richmond | IN | — | ◇ UNVERIFIED |
| RRRieth Riley Construction CO | Indianapolis | IN | — | ◇ UNVERIFIED |
| RRRieth Riley Construction CO INC | Ludington | MI | — | ◇ UNVERIFIED |
| RRRieth Riley Construction CO INC | Traverse City | MI | — | ◇ UNVERIFIED |
| RRRieth Riley Construction CO INC | Manton | MI | — | ◇ UNVERIFIED |
| RRRieth Riley Construction CO INC | Ada | MI | — | ◇ UNVERIFIED |
| RRRieth Riley Construction Co, INC. | Saint James | MI | — | ◇ UNVERIFIED |
| RRRieth Riley Construction Co., INC. | Lansing | MI | — | ◇ UNVERIFIED |
| RRRieth Riley Construction Co., INC. | Benton Harbor | MI | — | ◇ UNVERIFIED |
| RRRieth Riley Construction Co., INC. | Bay Shore | MI | — | ◇ UNVERIFIED |
| RCRieth-riley Construction CO INC | Kalamazoo | MI | — | ◇ UNVERIFIED |
| RCRieth-riley Construction Co, INC | Mishawaka | IN | — | ◇ UNVERIFIED |
| RCRieth-riley Construction Co., INC. | Big Rapids | MI | — | ◇ UNVERIFIED |
| RCRieth-riley Construction Co., INC. | Zeeland | MI | — | ◇ UNVERIFIED |
