| QPQuikrete - Porterville, Ca Plant | Porterville | CA | — | ◇ UNVERIFIED |
| QPQuikrete - Pounding Mill | Pounding Mill | VA | — | ◇ UNVERIFIED |
| QRQuincy Ready Mix INC | Quincy | IL | — | ◇ UNVERIFIED |
| RAR. A. Cummings, INC. | Westbrook | ME | — | ◇ UNVERIFIED |
| RCRahns Concrete Batch Plant | Rahns | PA | — | ◇ UNVERIFIED |
| RBRaineri Building Materials-eureka | Eureka | MO | — | ◇ UNVERIFIED |
| RBRaineri Building Materials-raineri Building Materials | Saint Louis | MO | — | ◇ UNVERIFIED |
| RPRainsville Plant | Rainsville | AL | — | ◇ UNVERIFIED |
| RCRalph Clayton & Sons | Cookstown | NJ | — | ◇ UNVERIFIED |
| RCRalph Clayton & Sons | Keasbey | NJ | — | ◇ UNVERIFIED |
| RCRalph Clayton & Sons | Trenton | NJ | — | ◇ UNVERIFIED |
| RCRalph Clayton & Sons | Egg Harbor Twp | NJ | — | ◇ UNVERIFIED |
| RCRalph Clayton & Sons | Jackson Twp | NJ | — | ◇ UNVERIFIED |
| RCRalph Clayton & Sons | Eatontown | NJ | — | ◇ UNVERIFIED |
| RLRamirez Lane Concrete Batch Plant | Austin | TX | — | ◇ UNVERIFIED |
| RRRandall Ready Mix LLC - Forest City | Forest City | IA | — | ◇ UNVERIFIED |
| RRRandall Ready Mix LLC - Manly | Manly | IA | — | ◇ UNVERIFIED |
| RRRanger Redi-mix | Woodstock | IL | — | ◇ UNVERIFIED |
| RRRapid Ready Mix Dba CO Materials Concret | Colorado Springs | CO | — | ◇ UNVERIFIED |
| RMRaptor Materials - Plant 4 Erie | Erie | CO | — | ◇ UNVERIFIED |
| RRR.a. Ruud & Son, INC. - Haysville | Haysville | KS | — | ◇ UNVERIFIED |
| RRRatliff Ready Mix Ennis Plant 20 | Ennis | TX | — | ◇ UNVERIFIED |
| RRRatliff Ready Mix Plant 7 | Belton | TX | — | ◇ UNVERIFIED |
| RRRatliff Ready-mix Whitney Plant P3 | Whitney | TX | — | ◇ UNVERIFIED |
| RCRazorback Concrete 113 | Jonesboro | AR | — | ◇ UNVERIFIED |
| RCRazorback Concrete 119 | Osceola | AR | — | ◇ UNVERIFIED |
| RCRazorback Concrete - Brs Portable Site | Osceola | AR | — | ◇ UNVERIFIED |
| RCRc Construction CO INC | Charleston | SC | — | ◇ UNVERIFIED |
| RCR. Chapman Construction Harmston Pit | Roosevelt | UT | — | ◇ UNVERIFIED |
| RCRea Contracting, LLC 0140 Concrete Plant | Salisbury | NC | — | ◇ UNVERIFIED |
| RMReady Mix Concrete INC | Corbin | KY | — | ◇ UNVERIFIED |
| RMReady Mix Concrete, INC. | Perryville | MO | — | ◇ UNVERIFIED |
| RMReady Mix Concrete INC - Monticello | Monticello | KY | — | ◇ UNVERIFIED |
| RMReady Mix Concrete INC - North Lexington | Lexington | KY | — | ◇ UNVERIFIED |
| RMReady Mix Concrete INC - Somerset | Somerset | KY | — | ◇ UNVERIFIED |
| RMReady Mix Concrete Inc-ste Genevieve Plant | Ste. Genevieve | MO | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete | Rocky Mount | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete #84 Florence-closed | Florence | SC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete #85 Marion | Marion | SC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Chalco Plant | Omaha | NE | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Clinton Plant | Clinton | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO | Richmond | VA | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO | Rural Hall | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO | Columbia | SC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO. | Gretna | NE | — | ◇ UNVERIFIED |
| RCReady-mixed Concrete CO. (52nd & Hwy 2) | Lincoln | NE | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO 7th&seward Plant | Omaha | NE | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO - Del Camino | Firestone | CO | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO Elkhorn Plant | Elkhorn | NE | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO -franklin Plnt 2 | Denver Area | CO | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO. - Goldsboro | Goldsboro | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO - Greenville | Greenville | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company | Plymouth | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company | Winston Salem | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company | Wilmington | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company | Williamston | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company - Castle Hayne | Castle Hayne | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company - Havelock | Havelock | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company, Plant #3, Westgate Rd | Raleigh | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company - Plant 47 | Williamsburg | VA | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company-reames Plan | Charlotte | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete Company - Shallotte | Shallotte | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO Plant 33 | New Bern | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO Plant 6 | Castle Rock | CO | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO Portable Plt | Georgetown | SC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete CO. - Washington | Washington | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Fayetteville Plant | Fayetteville | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Nix S&g Mine | Platteville | CO | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Plant No 4 - Hoke | Raeford | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Plant No 6 -laurinburg | Laurinburg | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Plant Number 3 - Spring Lake | Spring Lake | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Roanoke Rapids | Roanoke Rapids | NC | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Sanford Plant 7 | Sanford | NC | — | ◇ UNVERIFIED |
| RMReady Mix Gardena Plant 25 | Rosewood | CA | — | ◇ UNVERIFIED |
| RMReady-mix Moreno Valley Plant 2 | Moreno Valley | CA | — | ◇ UNVERIFIED |
| RMReady Mix North Dallas | Dallas | TX | — | ◇ UNVERIFIED |
| RMReady Mix Solutions LLC | Anna | IL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, Alpharetta Plant | Alpharetta | GA | — | ◇ UNVERIFIED |
| RMReady Mix USA - Crestview Plant | Crestview | FL | — | ◇ UNVERIFIED |
| RMReady Mix USA - Defuniak Springs Plant | Defuniak Springs | FL | — | ◇ UNVERIFIED |
| RMReady Mix Usa- Demopolis Facility | Demopolis | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA - Freeport Plant | Freeport | FL | — | ◇ UNVERIFIED |
| RMReady Mix Usa-helena Facility | Helena | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC | Garden City | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC | Lithonia | GA | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC | Buford | GA | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC | Panama City Beach | FL | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC | Tallahassee | FL | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC | Cottondale | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC | Atlanta | GA | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC | Opelika | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC | Montgomery | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC | Bessemer | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC | Fort Walton Beach | FL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Alabaster Plant | Alabaster | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Andrews Road Plant | Columbus | GA | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Atmore Facility | Atmore | AL | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Brewton Facility | Brewton | AL | — | ◇ UNVERIFIED |
| RMReady Mix USA LLC - Columbus Smith Rd Plant | Fortson | GA | — | ◇ UNVERIFIED |
| RMReady Mix USA Llc-cullman Plant | Cullman | AL | — | ◇ UNVERIFIED |