| SPStructural Prestressed Industries, INC. | Miami | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SISuhor Industries | Mountain Grove | MO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SISuhor Industries, INC. | Moberly | MO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SISuhor Industries, INC. | Wichita | KS | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SPSummit Precast Concrete Navasota Facility | Navasota | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSunbelt Crushing, LLC. | Defuniak Springs | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSunbelt Crushing, LLC. | Mobile | AL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SPSuncoast Post-tension LTD | Woodbridge | VA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SDSunworks Decorative Concrete LLC | Annville | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSuperior Construction | Winder | GA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SWSuperior Walls of North Dakota, LLC | Bismarck | ND | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSymons Corp/accessory Products Div | Glenridge | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TMTcc - Muscatine | Muscatine | IA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TCT-clear CORP | Hamilton | OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TPTc Precast INC. | Troy | MO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TCTebo Concrete Fence LLC | Florence | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TCTejas Concrete Products | San Antonio | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TRTerry R. Watson | Madisonville | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TETexas Elite Precast & Welding LLC | Dallas | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TITexas Industrial Precast LLC | San Antonio | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TSTexas Select Concrete, LLC | Bulverde | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TCThatcher Concrete LLC | Texarkana | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TAThe Artesia Company | Tulare | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TCThe Concrete Works Sweeney Mining & Mfg. Co LLC | Wasola | MO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TCThe Crom Corporation | Oak Ridge | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TLThe Lane Construction Corporation Dba Prestress of | Charlotte | NC | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TMThe Martinsburg Concrete Products CO. | Martinsburg | WV | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TQThe Quikrete Companies INC Dba Quikrete | City of Industry | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TQThe Quikrete Companies LLC | Jefferson City | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TSThe Shockey Precast Group | Winchester | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TTThe Turner Company | Maxwell | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TTThe Turner Company | Rhome | TX | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| TLThunderstone LLC | Lincoln | NE | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TNTilcon New York INC. | Bronx | NY | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TCTindall Corporation | Wake Forest | NC | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TETnt Earthmoving, LLC | Lincoln | NE | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TCTrans Colo Concrete CO Santa Fe Rr Depot | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TPTraylor Precast Concrete | Littlerock | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TITRDB Investments, LLC | Leetonia | OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TCTri County Concrete INC | Hagerhill | KY | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TSTrilite Stone INC Dba Trilite Stone Company | Howard Lake | MN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TPTrinity Paving | Newington | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TFTrue Finishing LLC | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TSTrue Stone Corporation | Jensen Beach | FL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TFTyson F. Sartin, INC. | Saint Georges | DE | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| UCUnited Commercial Cast Stone | Gainesville | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| UMUnited Memorial Prod- Rose Hills Mem Pk | Whittier | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| URUnited Rentals Northwest, INC | Gilroy | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| UPUniversal Precast Concrete, INC. | Redding | CA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| UPUniversal Precast, Inc. | Troy | AL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
