| SCSpringfield Concrete Recycling LLC | Springfield | IL | — | ◇ UNVERIFIED |
| SCSR Concrete Resurfacing, Inc. | Luthersburg | PA | — | ◇ UNVERIFIED |
| SSS & S Precast, INC. | Bonita Springs | FL | — | ◇ UNVERIFIED |
| STSss Transport INC. | Hayward | CA | — | ◇ UNVERIFIED |
| SPSsw Premier, LLC | Portland | TN | — | ◇ UNVERIFIED |
| SAStaco Architectural Roof Tile | Phoenix | AZ | — | ◇ UNVERIFIED |
| SFStaff Force, INC. | Houston | TX | — | ◇ UNVERIFIED |
| SSStafford Stone Works, LLC. | Fredericksburg | VA | — | ◇ UNVERIFIED |
| SPStandard Precast, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| SSStandard Sand & Silica Company | Lake Wales | FL | — | ◇ UNVERIFIED |
| SSStandard Supply CO | Maysville | KY | — | ◇ UNVERIFIED |
| SCState Crushing, INC. | Auburn Hills | MI | — | ◇ UNVERIFIED |
| SCState Crushing, Inc.-east | Warren | MI | — | ◇ UNVERIFIED |
| SIStepstone, INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| SWSterling Wilbert Vault CO | Sterling | IL | — | ◇ UNVERIFIED |
| SPSti Precast | Leominster | MA | — | ◇ UNVERIFIED |
| SJSt. Joe Concrete Products | Elwood | KS | — | ◇ UNVERIFIED |
| SJSt. Johns Precast, INC. | Saint Augustine | FL | — | ◇ UNVERIFIED |
| SLSt Louis Flexicore INC | East Saint Louis | IL | — | ◇ UNVERIFIED |
| SMSt Marys Cement INC - Dixon Plant | Dixon | IL | — | ◇ UNVERIFIED |
| SCStone Cast, INC. | Houston | TX | — | ◇ UNVERIFIED |
| SDStonemark Designs, Inc. | Huntsville | TX | — | ◇ UNVERIFIED |
| SSStone Specialties, INC. | Lakeland | FL | — | ◇ UNVERIFIED |
| SSStone Spirit, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| STStone Technology Distributors, INC. | West Palm Beach | FL | — | ◇ UNVERIFIED |
| SAStoneworks Architectural Precast INC | Elk River | MN | — | ◇ UNVERIFIED |
| SOStoneworks of Manatee INC | Bradenton | FL | — | ◇ UNVERIFIED |
| SYStone Yard | San Diego | CA | — | ◇ UNVERIFIED |
| SCStress Con | Kalamazoo | MI | — | ◇ UNVERIFIED |
| SIStress-con Industries INC | Saginaw | MI | — | ◇ UNVERIFIED |
| SPStructural Plank Industries INC Carroll Shelby | Sebring | FL | — | ◇ UNVERIFIED |
| SPStructural Prestressed Industries INC. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| SPStructural Prestressed Industries, INC. | Miami | FL | — | ◇ UNVERIFIED |
| SPStructural Prestressed Industries, INC. | Miami | FL | — | ◇ UNVERIFIED |
| SPStucco Plant | Big Horn | WY | — | ◇ UNVERIFIED |
| SISuhor Industries | Mountain Grove | MO | — | ◇ UNVERIFIED |
| SISuhor Industries | Shreveport | LA | — | ◇ UNVERIFIED |
| SISuhor Industries INC | Clackamas | OR | — | ◇ UNVERIFIED |
| SISuhor Industries, INC. | Saint Joseph | MO | — | ◇ UNVERIFIED |
| SISuhor Industries, INC. | Wichita | KS | — | ◇ UNVERIFIED |
| SISuhor Industries, INC. | Moberly | MO | — | ◇ UNVERIFIED |
| SPSummit Precast Concrete Navasota Facility | Navasota | TX | — | ◇ UNVERIFIED |
| SCSumter Cement Company, LLC | Center Hill | FL | — | ◇ UNVERIFIED |
| SCSunbelt Crushing, LLC. | Defuniak Springs | FL | — | ◇ UNVERIFIED |
| SCSunbelt Crushing, LLC. | Mobile | AL | — | ◇ UNVERIFIED |
| SCSun Coast Materials Company | Bakersfield | CA | — | ◇ UNVERIFIED |
| SPSuncoast Post-tension LTD | Woodbridge | VA | — | ◇ UNVERIFIED |
| SDSunworks Decorative Concrete LLC | Annville | PA | — | ◇ UNVERIFIED |
| SCSuperb Curb | Cape Coral | FL | — | ◇ UNVERIFIED |
| SCSuper Concrete Company Incorporated | Manassas | VA | — | ◇ UNVERIFIED |
| SCSuperior Concrete Products | Birmingham | AL | — | ◇ UNVERIFIED |
| SCSuperior Construction | Winder | GA | — | ◇ UNVERIFIED |
| SMSuperior Mobile Concrete LLC | Piedmont | SC | — | ◇ UNVERIFIED |
| SWSuperior Walls of North Dakota, LLC | Bismarck | ND | — | ◇ UNVERIFIED |
| SWSuperior Wall Systems, LLC | Salisbury | NC | — | ◇ UNVERIFIED |
| SWSuperior Well Svc Blacklick Fac | Black Lick | PA | — | ◇ UNVERIFIED |
| SISurplus Items INC | Seattle | WA | — | ◇ UNVERIFIED |
| SASuwannee American Cement Company, LLC. | Palmetto | FL | — | ◇ UNVERIFIED |
| SCSymons Corp/accessory Products Div | Glenridge | IL | — | ◇ UNVERIFIED |
| SESystech Environmental CORP | Alpena | MI | — | ◇ UNVERIFIED |
| SESystech Environmental Corporation (0363000046) | Paulding | OH | — | ◇ UNVERIFIED |
| TLTaktl, LLC | Glenshaw | PA | — | ◇ UNVERIFIED |
| TATc Agoge Associates LLC | San Jose | CA | — | ◇ UNVERIFIED |
| TMTcc - Muscatine | Muscatine | IA | — | ◇ UNVERIFIED |
| TCT-clear CORP | Hamilton | OH | — | ◇ UNVERIFIED |
| TPTc Precast INC. | Troy | MO | — | ◇ UNVERIFIED |
| TCTebo Concrete Fence LLC | Florence | TX | — | ◇ UNVERIFIED |
| TCTehachapi Cement Plant | Tehachapi | CA | — | ◇ UNVERIFIED |
| TRTehachapi Rmc | Tehachapi | CA | — | ◇ UNVERIFIED |
| TATeichert Aggregates | Roseville | CA | — | ◇ UNVERIFIED |
| TCTejas Concrete Products | San Antonio | TX | — | ◇ UNVERIFIED |
| TRTerry R. Watson | Madisonville | TN | — | ◇ UNVERIFIED |
| TETexas Elite Precast & Welding LLC | Dallas | TX | — | ◇ UNVERIFIED |
| TITexas Industrial Precast LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| TITexas Industries, INC. | Shreveport | LA | — | ◇ UNVERIFIED |
| TLTexas Lehigh Cement Company LP | Buda | TX | — | ◇ UNVERIFIED |
| TSTexas Select Concrete, LLC | Bulverde | TX | — | ◇ UNVERIFIED |
| TCThatcher Concrete LLC | Texarkana | TX | — | ◇ UNVERIFIED |
| TAThe Artesia Company | Tulare | CA | — | ◇ UNVERIFIED |
| TCThe Concrete Works Sweeney Mining & Mfg. Co LLC | Wasola | MO | — | ◇ UNVERIFIED |
| TCThe Crom Corporation | Oak Ridge | TN | — | ◇ UNVERIFIED |
 The Euclid Chemical Company | Odessa | FL | — | ◇ UNVERIFIED |
| TLThe Lane Construction Corporation Dba Prestress of | Charlotte | NC | — | ◇ UNVERIFIED |
| TMThe Martinsburg Concrete Products CO. | Martinsburg | WV | — | ◇ UNVERIFIED |
| TCThemed Concepts LLC | Forest Lake | MN | — | ◇ UNVERIFIED |
| TQThe Quikrete Companies INC Dba Quikrete | City of Industry | CA | — | ◇ UNVERIFIED |
| TQThe Quikrete Companies LLC | Jefferson City | TN | — | ◇ UNVERIFIED |
| TQThe Quikrete Companies LLC | Miami | FL | — | ◇ UNVERIFIED |
| TQThe Quikrete Companies - Peachland Plt | Peachland | NC | — | ◇ UNVERIFIED |
| TRThe Reinforced Earth | Waco | TX | — | ◇ UNVERIFIED |
| TSThe Sefa Group INC - Mcmeekin Station | Columbia | SC | — | ◇ UNVERIFIED |
| TSThe Shockey Precast Group | Winchester | VA | — | ◇ UNVERIFIED |
| TTThe Turner Company | Maxwell | TX | — | ◇ UNVERIFIED |
| TTThe Turner Company | Rhome | TX | — | ◇ UNVERIFIED |
| TLThunderstone LLC | Lincoln | NE | — | ◇ UNVERIFIED |
| TNTilcon New York INC. | Bronx | NY | — | ◇ UNVERIFIED |
| TCTindall Corporation | Wake Forest | NC | — | ◇ UNVERIFIED |
| TCTindall Corporation | Moss Point | MS | — | ◇ UNVERIFIED |
| TCTindall Corp-sc Division | Fairforest | SC | — | ◇ UNVERIFIED |
| TATitan American LLC | Delray Beach | FL | — | ◇ UNVERIFIED |
