| QPQuality Precast Solutions, LLC | Fort Myers | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RCRankin Construction and Septic Tank Service, L.l.c. | Arab | AL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RMReady Mix Usa,llc | Birmingham | AL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RCReece Construction Company | Arlington | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RVRex Vault & Mausoleum Service INC | Newton | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RMRidge Mfg CORP | Rockaway | NJ | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RMRinker Materials Hydro Conduit | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RCRock-tred CORP | Skokie | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RMRocky Mountain Prestress LLC (structural Plant) | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RCRocla Concrete Tie Incorporated | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RVRoland Vaults, LTD (former State Mfg) | Norfolk | VA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RCRoseville Crushed Concrete | Roseville | MI | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSannipoli CORP | Menifee | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SPScio Packaging Company | Scio | OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSelvage Concrete Products, INC | Santa Rosa | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SSShannon Street Pre-cast Facility | Chesapeake | VA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SFSi Funeral Services | Shreveport | LA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSika Corporation | Conyers | GA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SVSimerly Vaults, INC. | Knoxville | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSmith - Carolina Corporation | Reidsville | NC | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SRSmyrna Ready Mix Concrete | Lewisburg | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSoutheastern Concrete Products of N.c. L | Statesville | NC | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SPSoutheastern Prestressed Concrete INC | West Palm Beach | FL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SOSpancrete of Illinois | Crystal Lake | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SPSsw Premier, LLC | Portland | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SBStag Bros Cast Stone CO INC | Lakewood | NJ | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCStandard Concrete Products | Atlanta | GA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SPStandard Precast, INC. | Jacksonville | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SSStandard Supply CO | Maysville | KY | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| SWSunnycrest Wilbert | Auburn | NY | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSuper Concrete Company Incorporated | Manassas | VA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSuperior Concrete Products | Birmingham | AL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| THTerre Hill Concrete Prod Plant 2 | East Earl | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
 The Euclid Chemical Company | Odessa | FL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| TCTindall Corporation, Moss Point Ready Mix | Moss Point | MS | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TCTindall Corp-sc Division | Fairforest | SC | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| TGTremron Group - Medley | Medley | FL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| TMTunnel Mill Polymer, INC | Alden | IA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| USUnique Stone, INC. | Rockingham | NC | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| URUnited Ready Mix - Platteville | Platteville | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| USUnited Stone Veneer Stormwater | Middleburg | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| UCUniversal Crushing | Punta Gorda | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| URUrbana Recycling CO | Urbana | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| VNValmont Newmark, INC | Tuscaloosa | AL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| VNValmont Newmark Small Pole Facility | Fort Meade | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| VBVarco-pruden Buildings | Kernersville | NC | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| VIVfp Incorporated/concrete Shelter Division | Duffield | VA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| VRV & R Materials LLC | Calumet City | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| WWells | Valders | WI | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| WCWells Concrete - Architectural Plant | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
