| HRHanson Roof Tile | Dixon | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| HHardaway:plant #17 | Graniteville | SC | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| HRHolliday Rock | Montebello | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| HLHubbell Lenoir City INC | San Jose | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| HCHydro Conduit Corporation | Henderson | NV | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| HCHydro Conduit Corporation Dba Rinker Materials Concrete Pipe | Wilson | NC | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| JPJensen Precast | Orland | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| JBJohnson Bateman CO Inc/ a Calif CORP | Ontario | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| JCJohnson-bateman Company | Ontario | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| KIKti INC Dba Rialto Concrete Products | Rialto | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| LCLargo Concrete | San Jose | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LTLindsay Transportation Solutions LLC | Rio Vista | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| LSLone Star Pipe, LLC | Florence | TX | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| MPMaterials Packaging CORP | Draper | UT | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| MCMc Concreters Nc INC. | Apex | NC | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| MCMccreary Concrete Products INC. | Tipton | IN | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| MBMiller Brothers Contractors, INC. | Sarasota | FL | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| NVNapa Valley Cast Stone | American Canyon | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| NCNational Concrete Products | Plymouth | MI | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| NINicmar Industries INC Dba George R Roberts Company | Alfred | ME | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| OFOldcastle Florence | Florence | TX | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| OGOldcastle Greensboro | Greensboro | NC | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure | Pleasanton | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure Devils Lake Precast | Devils Lake | ND | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| OPOldcastle Precast, INC. | Lathrop | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| OPOldcastle Precast, INC. | Stockton | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| PCPedroni's Cast Stone INC | Jacksonville | FL | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| PCPorterville Concrete Pipe INC | Porterville | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| RMRinker Materials Corporation | Mount Holly | NC | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| RMRinker Materials Hydro Conduit | Fresno | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| RRRock Recycle Company | Sebastopol | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| RCRsh Construction | Livermore | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| SJSan Jose Concrete Pipe CO INC | San Jose | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| SPSchier Products Company | Kansas City | KS | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| SWSouth West Concrete Products | Ontario | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SCStar Concrete | Gilroy | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| SPStarks Pipe CO | Almo | KY | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| SPStructural Plank Industries INC Deer Trail Facility | Sebring | FL | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| TSThe Stresscrete Group | Atchison | KS | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| TPThompson Pipe Group INC | Rialto | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| TPThompson Pipe Group, INC | Grand Prairie | TX | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| TPThompson Pipe Group Pressure, INC. | Lubbock | TX | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| TOTrb Oilfield Services, INC. | Bakersfield | CA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| TSTriple S Well Boring Machine, INC. | Catawba | NC | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| UPUpper Peninsula Concrete Pipe CO | Escanaba | MI | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| VPVillalobos - Portable Concrete Plant | Commerce City | CO | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| VNV & N Concrete Products, INC. | Romeoville | IL | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| WSWa317947321 - Spokane Wilbert Vault CO | Spokane | WA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| WCWahoo Concrete-bethany | Bethany | MO | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| WPWilbert Precast CO | Spokane | WA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
