| SRState Road Cement Block | Dartmouth | MA | — | ◇ UNVERIFIED |
| SSStatewide Surfacing & Construction, INC. | Hayward | WI | — | ◇ UNVERIFIED |
| SCStationary Concrete Batch Pla | Buffalo | WY | — | ◇ UNVERIFIED |
| SCStationary Concrete Batch Pla | Laramie | WY | — | ◇ UNVERIFIED |
| SCStationary Concrete Batch Plant | Albany | WY | — | ◇ UNVERIFIED |
| SHStationary Hot Mix Asphalt Plant (ct-1200) | Park County | WY | — | ◇ UNVERIFIED |
| SHStationary Hot Mix Asphalt Plant (md-14327) | Laramie | WY | — | ◇ UNVERIFIED |
| SSStat Services | Laguna Hills | CA | — | ◇ UNVERIFIED |
| SAStavola Asphalt CO INC Howell Facility | Howell | NJ | — | ◇ UNVERIFIED |
| SMStavola Materials Oldwick Quarry | Oldwick | NJ | — | ◇ UNVERIFIED |
| SNStavola Newark Terminal | Newark | NJ | — | ◇ UNVERIFIED |
| SRStavola - Rosano Asphalt | Howell Twp | NJ | — | ◇ UNVERIFIED |
| STS T Bunn Construction CO | Fayette | AL | — | ◇ UNVERIFIED |
| STS T Bunn Construction CO | Eutaw | AL | — | ◇ UNVERIFIED |
| SBSteckling Brothers INC | Saint Helen | MI | — | ◇ UNVERIFIED |
| SISteelstone Industries, INC. - Houlton | Houlton | ME | — | ◇ UNVERIFIED |
| SGSte Genevieve Ready Mix Concrete Inc-perryville Plant | Perryville | MO | — | ◇ UNVERIFIED |
| SRStellar Resources, LLC | Torrance | CA | — | ◇ UNVERIFIED |
| SGStemilt Growers Miller Street Facility | Wenatchee | WA | — | ◇ UNVERIFIED |
| SCStephens Construction | Luverne | AL | — | ◇ UNVERIFIED |
| SIStepstone, INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| SPSterling Purchasing CORP Dba Sterling Manufacturing | Sarasota | FL | — | ◇ UNVERIFIED |
| SRSterling Ready Mix Concrete CO | Lamar | CO | — | ◇ UNVERIFIED |
| SRSterling Ready Mix Concrete Co.cn | Kit Carson | CO | — | ◇ UNVERIFIED |
| SRSterling-rockfalls Ready Mix | Dixon | IL | — | ◇ UNVERIFIED |
| SVSterling Ventures LLC | Verona | KY | — | ◇ UNVERIFIED |
| SWSterling Wilbert Vault CO | Sterling | IL | — | ◇ UNVERIFIED |
| SCSteven CO. Asphalt Plant (stormwater) | Hugoton | KS | — | ◇ UNVERIFIED |
| SCSteven Counts, INC. Fka Harlis Ellington | Ocala | FL | — | ◇ UNVERIFIED |
| SSSteven Smith | Encino | CA | — | ◇ UNVERIFIED |
| SLStevenson-weir Lockhart | Union | SC | — | ◇ UNVERIFIED |
| SSStevenson-weir Southern - Clinton Plant | Clinton | SC | — | ◇ UNVERIFIED |
| SLStevenson-weir/southern LLC - Sws Vince Hagan | Fort Lawn | SC | — | ◇ UNVERIFIED |
| SSStevenson-weir Southern - Spartanburg Plant | Wellford | SC | — | ◇ UNVERIFIED |
| STStevenson-weir/southern - Texland | Charlotte | NC | — | ◇ UNVERIFIED |
| SRStewart-morrison Redi-mix | West Plains | MO | — | ◇ UNVERIFIED |
| SNStewart & Nuss | Fresno | CA | — | ◇ UNVERIFIED |
| SHSt. Henry Tile Co., INC. | Greenville | OH | — | ◇ UNVERIFIED |
| SHSt Henry Tile CO INC Dba Keystone Concrete | Churubusco | IN | — | ◇ UNVERIFIED |
| SRStillwell Ready Mix & Building Materials LLC | Brooklyn | NY | — | ◇ UNVERIFIED |
| SPSti Precast | Leominster | MA | — | ◇ UNVERIFIED |
| SJSt. Joe Concrete Products | Elwood | KS | — | ◇ UNVERIFIED |
| SJSt. Johns Precast, INC. | Saint Augustine | FL | — | ◇ UNVERIFIED |
| SJSt Joseph Fuel Oil Co-st Joseph Fuel Oil CO | Saint Joseph | MO | — | ◇ UNVERIFIED |
| SLSt Louis Flexicore INC | East Saint Louis | IL | — | ◇ UNVERIFIED |
| SMSt Martin Land CO #1 Production Facility - Section 28 Oil & Gas Field | Parks | LA | — | ◇ UNVERIFIED |
| SMSt Marys Cement INC | Waukegan | IL | — | ◇ UNVERIFIED |
| SAStocker & Allaire INC | Pebble Beach | CA | — | ◇ UNVERIFIED |
| SSStockman Stoneworks* | Jefferson City | MO | — | ◇ UNVERIFIED |
| SIStollberg INC | Niagara Falls | NY | — | ◇ UNVERIFIED |
| SLStonecasters LLC | Wauconda | IL | — | ◇ UNVERIFIED |
| SCStone Cast, INC. | Houston | TX | — | ◇ UNVERIFIED |
| SCStoneco CO Plant# 125 (0388000036) | Carey | OH | — | ◇ UNVERIFIED |
| SCStone & CO INC Canonsburg Plt | Canonsburg | PA | — | ◇ UNVERIFIED |
| SCStone & CO Inc/charleroi Plt | Charleroi | PA | — | ◇ UNVERIFIED |
| SIStoneco, INC. Plant 116 (0381020004) | Scott | OH | — | ◇ UNVERIFIED |
| SCStone & CO Masontown Plt | Masontown | PA | — | ◇ UNVERIFIED |
| SPStoneco Plant #117 (0354012001) | Celina | OH | — | ◇ UNVERIFIED |
| SWStoneco Woodville Asphalt Plant | Woodville | OH | — | ◇ UNVERIFIED |
| SCStone Crest Apartments | Fullerton | CA | — | ◇ UNVERIFIED |
| SAStonecrest Apartments | Fullerton | CA | — | ◇ UNVERIFIED |
| SIStone Industries | Haledon | NJ | — | ◇ UNVERIFIED |
| SDStonemark Designs, Inc. | Huntsville | TX | — | ◇ UNVERIFIED |
| SPStone Point Materials | Ohio | OH | — | ◇ UNVERIFIED |
| SRStone Ready Mix LLC | Perkinston | MS | — | ◇ UNVERIFIED |
| SSStone Specialties, INC. | Lakeland | FL | — | ◇ UNVERIFIED |
| SSStone Spirit, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| STStone Technology Distributors, INC. | West Palm Beach | FL | — | ◇ UNVERIFIED |
| SLStonewall Las Vegas, INC | Las Vegas | NV | — | ◇ UNVERIFIED |
| SCStoneway Concrete Houser Way | Renton | WA | — | ◇ UNVERIFIED |
| SAStoneworks Architectural Precast INC | Elk River | MN | — | ◇ UNVERIFIED |
| SOStoneworks of Manatee INC | Bradenton | FL | — | ◇ UNVERIFIED |
| SYStone Yard | San Diego | CA | — | ◇ UNVERIFIED |
| SRStoskopf Redi-mix of Roseau INC | Roseau | MN | — | ◇ UNVERIFIED |
| SPSt Paul of the Cross Catholic School | La Mirada | CA | — | ◇ UNVERIFIED |
| SPSt Paul of the Cross Parish Center | La Mirada | CA | — | ◇ UNVERIFIED |
| SPSt Phillip Apostle School | Pasadena | CA | — | ◇ UNVERIFIED |
| SCStrata Concrete-bismarck Heartland | Bismarck | ND | — | ◇ UNVERIFIED |
| SCStrata Concrete-devils Lake | Devils Lake | ND | — | ◇ UNVERIFIED |
| SCStrata Concrete-grafton | Grafton | ND | — | ◇ UNVERIFIED |
| SCStrata Concrete-grand Forks (red River Cement Products) | Grand Forks | ND | — | ◇ UNVERIFIED |
| SCStrata Concrete-mandan | Mandan | ND | — | ◇ UNVERIFIED |
| SCStrata Concrete, Williston West - Strata Corporation | Williston | ND | — | ◇ UNVERIFIED |
| SCStrata Construction-devils Lake (nodak Contracting) | Devils Lake | ND | — | ◇ UNVERIFIED |
| SCStrata Construction-grand Forks Asphalt Plant (nodak Contracting) | Grand Forks | ND | — | ◇ UNVERIFIED |
| SCStrata Corporation | Minot | ND | — | ◇ UNVERIFIED |
| SCStrata Corporation-menoken | Menoken | ND | — | ◇ UNVERIFIED |
| SMStrawser Materials - Harmon Plant | Columbus | OH | — | ◇ UNVERIFIED |
| SCStress Con | Kalamazoo | MI | — | ◇ UNVERIFIED |
| SIStress-con Industries INC | Saginaw | MI | — | ◇ UNVERIFIED |
| SMStrittmatter Materials, LLC Dba D.c. Materials | Hyattsville | MD | — | ◇ UNVERIFIED |
| SEStroehecker Excavation | Durango | CO | — | ◇ UNVERIFIED |
| SIStroe Investors, LP | Los Angeles | CA | — | ◇ UNVERIFIED |
| S3Strohecker - 300 Cr 302 Asphalt Plant | Pagosa Springs Area | CO | — | ◇ UNVERIFIED |
| SAStrohecker Asphalt & Paving INC | Pagosa Springs Area | CO | — | ◇ UNVERIFIED |
| SStrongwell | San Jose | CA | — | ◇ 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 |