| SHSouth Houston Asphalt | South Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| SISouthland International Trucks | Huntsville | AL | — | ◐ LIKELY ACTIVE |
| SRSouthland Ready Mix Inc, Blue Mountain Facility | Blue Mountain | MS | — | ◐ LIKELY ACTIVE |
| SRSouthland Ready Mix Inc, Corinth Facility | Corinth | MS | — | ◐ LIKELY ACTIVE |
| SCSouthside Concrete Supply LLC | Blairs | VA | — | ◐ LIKELY ACTIVE |
| SCSowers Construction Co., INC. Asphalt Plant | Mount Airy | NC | — | ◐ LIKELY ACTIVE |
| SMSquak Mountain Materials INC | Issaquah | WA | — | ◐ LIKELY ACTIVE |
| SCSrm - Charleston #706 | Johns Island | SC | — | ◐ LIKELY ACTIVE |
| SCSrm Concrete - Chester | Chesterfield | VA | — | ◐ LIKELY ACTIVE |
| SCSrm Concrete-dinwiddie | Petersburg | VA | — | ◐ LIKELY ACTIVE |
| SGSrm - Goose Creek #707 | Goose Creek | SC | — | ◐ LIKELY ACTIVE |
| SCStabil Concrete Products, LLC | Sarasota | FL | — | ◐ LIKELY ACTIVE |
| SCStandard Concrete Products - Tampa | Tampa | FL | 20–99 | ◐ LIKELY ACTIVE |
| SCStandard Construction Company | Memphis | TN | — | ◐ LIKELY ACTIVE |
| SCStandard Construction Company, INC. | Stantonville | TN | — | ◐ LIKELY ACTIVE |
| SCStandard Construction Company - Mullins Station | Cordova | TN | — | ◐ LIKELY ACTIVE |
| SRStar Ranch Enterprises INC - Section 2 Farm | South Bay | FL | — | ◐ LIKELY ACTIVE |
| SSSta Seal INC | Edison | NJ | — | ◐ LIKELY ACTIVE |
| SRState Ready Mix - a Calportland Company | Oxnard | CA | 20–99 | ◐ LIKELY ACTIVE |
| SCStavola Construction Materials INC | Bridgewater | NJ | — | ◐ LIKELY ACTIVE |
| STS T Bunn Construction | Winfield | AL | — | ◐ LIKELY ACTIVE |
| STS T Bunn Construction | Guin | AL | — | ◐ LIKELY ACTIVE |
| STS T Bunn Construction CO | Tuscaloosa | AL | — | ◐ LIKELY ACTIVE |
| STS T Bunn Construction CO | Fayette | AL | — | ◐ LIKELY ACTIVE |
| STS T Bunn Construction CO | Demopolis | AL | — | ◐ LIKELY ACTIVE |
| STS T Bunn Construction CO INC | Eutaw | AL | — | ◐ LIKELY ACTIVE |
| SPSteps Plus, INC. | Syracuse | NY | 1–19 | ◐ LIKELY ACTIVE |
| SVSterling Ventures LLC | Verona | KY | — | ◐ LIKELY ACTIVE |
| SPSti Precast | Leominster | MA | — | ◐ LIKELY ACTIVE |
| SPSTLP Pavestone | Scott City | MO | 20–99 | ◐ LIKELY ACTIVE |
| SCStone & CO INC Canonsburg Plt | Canonsburg | PA | — | ◐ LIKELY ACTIVE |
| SCStrata Concrete-elgin | Elgin | ND | — | ◐ LIKELY ACTIVE |
| SMStrawser Materials - Harmon Plant | Columbus | OH | — | ◐ LIKELY ACTIVE |
| SMStrittmatter Materials, LLC Dba D.c. Materials | Hyattsville | MD | — | ◐ LIKELY ACTIVE |
| SRStrong Ready Mix | Abilene | TX | 20–99 | ◐ LIKELY ACTIVE |
| SMStuart M Perry Incorporated-limestone | Winchester | VA | — | ◐ LIKELY ACTIVE |
| SWS.t. Wooten CORP | New Bern | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation | Moncure | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation Benson | Benson | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Cherry Point - Plant 207 | Havelock | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation Drug Store Plt | Garner | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Haw River Asphalt | Haw River | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation - Plant No 3 | Wilsons Mills | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Plt 15 Greenville | Greenville | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation-princeton | Princeton | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Sanford Asphalt Plant | Sanford | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation Sims Asphalt | Sims | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Weldon Asphalt Plant | Weldon | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation - Winterville | Winterville | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Youngsville Asphalt Plant # 206 | Franklinton | NC | — | ◐ LIKELY ACTIVE |