| SCSouthern Concrete Materials - Sylva Plant | Sylva | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SCSuperior Concrete - Dulles | Chantilly | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SFSuperior Fibers LLC | Reedsville | WV | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| SMSuperior Materials 32 | Detroit | MI | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SYSuzio York Hill Concrete | New Haven | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TMThermafiber Manufacturing Plant | Wabash | IN | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
 Tpg Pressure, INC. | Palatka | FL | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| TBTxi Bastrop Ready Mix | Bastrop | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TGTxi - Green Ready Mix | Austin | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| UKUsc - Kings LLC - Mcdonald Avenue | Brooklyn | NY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1001 | Bridgeview | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1005 | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VPVcna Prairie Yard 1015 | Hazel Crest | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VCVirginia Concrete Company Incorporated - Woodbridg | Woodbridge | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VCVirginia Concrete Falls Church Plant | Falls Church | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix INC | Joliet | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WRWestlake Royal Stone LLC | Chester | SC | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| ASA1 Stone World, INC. | Green Cove Springs | FL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| ATAmerican Technical Ceramics | Huntington Station | NY | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| AIAveka INC | Woodbury | MN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| BVBradbury Vault Company, INC. | Blackwood | NJ | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| BSBuilders Supply Company | Algood | TN | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| CRCapital Ready Mix | Springfield | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICertech INC | Wood Ridge | NJ | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| FCFinley Construction & Ready Mix | Atwood | KS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GCGlen-gery CORP | Marseilles | IL | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| GFGuardian Fabrication INC * | Millbury | OH | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| HCHall China Company | East Liverpool | OH | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| HIHeany Industries INC | Scottsville | NY | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| KCKohler CO | Brownwood | TX | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| LILocke Insulators INC | Baltimore | MD | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| MCMga Cast Stone INC | Oxford | ME | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| MAMid America Precast Inc-fulton | Fulton | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MIMidwest Ii | Ottawa Lake | MI | Nonmetallic Mineral Product Manufacturing327124 | — | ◇ UNVERIFIED |
| NPNor-cal Perlite INC | Richmond | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| NCNorthern Concrete Block of Cortland | Cortland | NY | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OVOld Va. Brick | Salem | VA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| OGOrmond Granite and Marble, INC | Holly Hill | FL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| PBPalm Beach Cast Stone, INC. | West Palm Beach | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PPermatech | Graham | NC | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| PSPrecast Solutions, INC. | Browns Summit | NC | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| PGPremier Glass USA LLC | Park Hills | MO | Nonmetallic Mineral Product Manufacturing327213 | — | ◇ UNVERIFIED |
| RRRoadrunner Redi Mix INC Gcp5-3474 | Rio Rancho | NM | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCR&s Concrete | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SSSelig Solid Surface Dba Counterkraft | Merritt Island | FL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SRShafer Readi-mix INC | Albion | MI | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SMStephens Manufacturing | Tompkinsville | KY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TWTherm-o-rock West INC | Chandler | AZ | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TSThe Shaddix Company, INC. | Cullman | AL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| UPUniversal Precast, INC. | Theodore | AL | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
