| 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 |
| SSSt. Sebastian Church | Kentfield | CA | — | ◇ UNVERIFIED |
| SCStuart Concrete Incorporated - Stuart Division | Stuart | VA | — | ◇ UNVERIFIED |
| SMStuart M Perry Incorporated-limestone | Winchester | VA | — | ◇ UNVERIFIED |