| PMPreferred Materials Alico Road | Fort Myers | FL | — | ◇ UNVERIFIED |
| PMPreferred Materials-east Orlando Cbp | Orlando | FL | — | ◇ UNVERIFIED |
| PMPreferred Materials INC | Bonita Springs | FL | — | ◇ UNVERIFIED |
| PMPreferred Materials, INC. | Kissimmee | FL | — | ◇ UNVERIFIED |
| PMPreferred Materials, INC. | Tampa | FL | — | ◇ UNVERIFIED |
| PMPreferred Materials, INC. | Naples | FL | — | ◇ UNVERIFIED |
| PPProsper Plant | Prosper | TX | — | ◇ UNVERIFIED |
| QRQuikrete Ready Mix - Phenix City Plant | Phenix City | AL | — | ◇ UNVERIFIED |
| RCRainbow Concrete CO / Rainbow Concrete | Tulsa | OK | — | ◇ UNVERIFIED |
| RCRalph Clayton & Sons | Allentown | NJ | — | ◇ UNVERIFIED |
| RARca Asphalt L.l.c. | Mount Vernon | NY | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Bellevue Plant | Bellevue | NE | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO | Omaha | NE | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company | Charlotte | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company - Council Bluffs | Council Bluffs | IA | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO - Winston Salem, Plant 71 | Winston Salem | NC | — | ◇ UNVERIFIED |
| RMReady Mix USA -lithonia Plant | Lithonia | GA | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC | Tuscaloosa | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, Llc-auburn Facility | Auburn | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC - Cantonment Plant | Cantonment | FL | — | ◇ UNVERIFIED |
| RMReady Mix USA Llc-dalton Plant | Dalton | GA | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC - Doc Mcduffie Plant | Foley | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Florence Plant | Florence | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA Llc- Rockford Plant | Rockford | TN | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Russellville Plant | Russellville | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC - Tuscumbia Plant | Tuscumbia | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa-maynardville | Maynardville | TN | — | ◇ UNVERIFIED |
| RMReady Mix USA Metro Shop | Montgomery | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA - Tarrant Plant | Birmingham | AL | — | ◇ UNVERIFIED |
| RCReeves Construction CO | Augusta | GA | — | ◇ UNVERIFIED |
| RPRenwick Plant | Houston | TX | — | ◇ UNVERIFIED |
| RPRichardson Plant | Richardson | TX | — | ◇ UNVERIFIED |
| RPRichmond Plant | Richmond | TX | — | ◇ UNVERIFIED |
| RBRiver Bend Sand and Gravel CO | Salem | OR | — | ◇ UNVERIFIED |
| RCRmc Carolina Materials Incorporated | Morrisville | NC | — | ◇ UNVERIFIED |
| RMRocky Mountain Materials and Asphalt INC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SCSchuster Concrete Ready Mix, LLC | Owings Mills | MD | — | ◇ UNVERIFIED |
| SGS & G Concrete Company, Llc- Grantley Ave. Plant | Baltimore | MD | — | ◇ UNVERIFIED |
| SCShea Concrete Products INC | Wilmington | MA | — | ◇ UNVERIFIED |
 Sherman Industries INC N Central Al Div | Rainbow City | AL | — | ◇ UNVERIFIED |
| SCSika Corporation | Streetsboro | OH | — | ◇ UNVERIFIED |
| SRSmyrna Ready Mix Concrete LLC - (formerly Metro Ready Mix Concrete, Llc) | Franklin | TN | — | ◇ UNVERIFIED |
| SISoprema INC | Wadsworth | OH | — | ◇ UNVERIFIED |
| SCSouth Central Concrete Bayport Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials - Bryson City | Bryson City | NC | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials Fletcher Plant | Fletcher | NC | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials - Sylva Plant | Sylva | NC | — | ◇ UNVERIFIED |
| SESouthern Equipment Dba Ready Mix Concrete - Plant 6 | Apex | NC | — | ◇ UNVERIFIED |
| SESouthern Equipment - Raleigh Concrete Plant 4 | Cary | NC | — | ◇ UNVERIFIED |
| SSSouthern Star Concrete - Mesquite Plant | Mesquite | TX | — | ◇ UNVERIFIED |
| SNSouth Norman Batch Plant | Norman | OK | — | ◇ UNVERIFIED |
| SRSouthside Ready Mix | Fort Smith | AR | — | ◇ UNVERIFIED |
| SGSpecialty Granules Ione LLC | Ione | CA | — | ◇ UNVERIFIED |
| SRStandard Ready Mix Concrete | Sioux City | IA | — | ◇ UNVERIFIED |
| SIStein INC | Middletown | OH | — | ◇ UNVERIFIED |
| SWStern Williams | Carterville | MO | — | ◇ UNVERIFIED |
| SRStillwater Ready Mix INC / Concrete Batch Plant | Stillwater | OK | — | ◇ UNVERIFIED |
| SJSt. James Asphalt Terminal | Saint James | LA | — | ◇ UNVERIFIED |
| SCStrata Concrete-west Fargo | West Fargo | ND | — | ◇ UNVERIFIED |
| SSuit-kote | Buffalo | NY | — | ◇ UNVERIFIED |
| SJSuit-kote Jamestown | Jamestown | NY | — | ◇ UNVERIFIED |
| STSuncoast Tampa Bay Block & R-m CO INC | Tampa | FL | — | ◇ UNVERIFIED |
| SISunrock Industries LLC - Eastern Wake Facility | Zebulon | NC | — | ◇ UNVERIFIED |
| SCSuperior Concrete - Dulles | Chantilly | VA | — | ◇ UNVERIFIED |
| SMSuperior Materials 32 | Detroit | MI | — | ◇ UNVERIFIED |
| SMSuperior Materials 35 | Romulus | MI | — | ◇ UNVERIFIED |
| SMSuperior Materials 36 | Auburn Hills | MI | — | ◇ UNVERIFIED |
| SMSuperior Materials Plant 20 | Flint | MI | — | ◇ UNVERIFIED |
| SYSuzio York Hill Concrete | New Haven | CT | — | ◇ UNVERIFIED |
| SMS&w Murrells Inlet | Murrells Inlet | SC | — | ◇ UNVERIFIED |
| SNS&w New Bern Plant | New Bern | NC | — | ◇ UNVERIFIED |
| SWS & W Ready Mix CO - Lumberton | Lumberton | NC | — | ◇ UNVERIFIED |
| SRS&w Ready Mix Concrete Co., INC. - S. Reilly Road Plant | Fayetteville | NC | — | ◇ UNVERIFIED |
| SWS & W Ready Mix Concrete CO. - Morehead City | Morehead City | NC | — | ◇ UNVERIFIED |
| SWS & W Ready Mix Concrete Company - Boliv | Bolivia | NC | — | ◇ UNVERIFIED |
| SWS & W Ready Mix Concrete Company -goldsboro Plant # 28 | Goldsboro | NC | — | ◇ UNVERIFIED |
| SRS&w Ready Mix Concrete Company INC - Elizabethtown Plant | Elizabethtown | NC | — | ◇ UNVERIFIED |
| SWS & W Ready Mix Concrete Company Wilmington | Wilmington | NC | — | ◇ UNVERIFIED |
| SWS & W Ready Mix Concrete - Hubert | Hubert | NC | — | ◇ UNVERIFIED |
| SWS & W Ready Mix Concrete Jacksonville | Jacksonville | NC | — | ◇ UNVERIFIED |
| TNTamko Naples, INC. | Naples | TX | — | ◇ UNVERIFIED |
| TATarmac America LLC | Miami | FL | — | ◇ UNVERIFIED |
| TATarmac America-south Orange Rmc Plant | Orlando | FL | — | ◇ UNVERIFIED |
| TETarmac - Eastport Cbp | Jacksonville | FL | — | ◇ UNVERIFIED |
| TLTarr, LLC | Portland | OR | — | ◇ UNVERIFIED |
| TPTerrell Plant | Terrell | TX | — | ◇ UNVERIFIED |
| TMTerry Materials INC | Hamilton | OH | — | ◇ UNVERIFIED |
| TCThomas Concrete of Georgia - Hiram #1100 | Hiram | GA | — | ◇ UNVERIFIED |
| TCThomas Concrete of Georgia, INC. | Lithonia | GA | — | ◇ UNVERIFIED |
| TCThomas Concrete of Georgia, INC. | Canton | GA | — | ◇ UNVERIFIED |
| TCThomas Concrete of Georgia, INC. | Stockbridge | GA | — | ◇ UNVERIFIED |
| TCThomas Concrete of Georgia, INC. (atlanta Plant) | Atlanta | GA | — | ◇ UNVERIFIED |
| TCThomas Concrete Tyrone Plant #700 | Tyrone | GA | — | ◇ UNVERIFIED |
| TCTilcon Connecticut | Manchester | CT | — | ◇ UNVERIFIED |
| TCTilcon Connecticut Aggregate & Asphalt | Newington | CT | — | ◇ UNVERIFIED |
| TCTilcon Connecticut - Hamden Plant | Hamden | CT | — | ◇ UNVERIFIED |
| TCTilcon Connecticut, INC | New Britain | CT | — | ◇ UNVERIFIED |
| TCTilcon Connecticut, INC. | North Branford | CT | — | ◇ UNVERIFIED |
| TCTilcon Connecticut - Waterbury Plant | Waterbury | CT | — | ◇ UNVERIFIED |
| TCTilcon Crushed Stone Asphalt | Wallingford | CT | — | ◇ UNVERIFIED |
