| SPSc Prestress Lakecity | Lake City | SC | — | ◇ UNVERIFIED |
| SCScrap Central INC | Omaha | NE | — | ◇ UNVERIFIED |
| SCSebewaing Concrete Prod INC | Sebewaing | MI | — | ◇ UNVERIFIED |
| SASebring Airport Temporary Ready Mix Plant | Orlando | FL | — | ◇ UNVERIFIED |
| SCSe Concrete INC | Kingston | MA | — | ◇ UNVERIFIED |
| S0See 041-0231-03 Pete Lien & Sons | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SRSega Redi-mix | Waterbury | CT | — | ◇ UNVERIFIED |
| SCSei Concrete - Clay CO Facility | Manchester | KY | — | ◇ UNVERIFIED |
| SCSelect Concrete CO. LLC | Star City | AR | — | ◇ UNVERIFIED |
| SCSelvage Concrete Products, INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| SBSeminole Bp | Seminole | OK | — | ◇ UNVERIFIED |
| SOSemo Operating Company | Advance | MO | — | ◇ UNVERIFIED |
| STSenter Transit Mix Division of Concrete Industries INC | Tupelo | MS | — | ◇ UNVERIFIED |
| SBSeptember Bloom, INC | Mcminnville | TN | — | ◇ UNVERIFIED |
| SCSequatchie Concrete Service - Dayton | Dayton | TN | — | ◇ UNVERIFIED |
| SCSequatchie Concrete Service, Inc-closed | Nashville | TN | — | ◇ UNVERIFIED |
| SCSequatchie Concrete Service Inc, Helen of Troy Site | Olive Branch | MS | — | ◇ UNVERIFIED |
| SCSequatchie Concrete Service, INC. - Scottsboro Plant | Scottsboro | AL | — | ◇ UNVERIFIED |
| SCSequatchie Concrete Services, INC. | Harriman | TN | — | ◇ UNVERIFIED |
| SLService Lumber Company | Rolling Fork | MS | — | ◇ UNVERIFIED |
| SRService Rock Products | Barstow | CA | — | ◇ UNVERIFIED |
| SRService Rock Products INC 4th St | Henderson | NV | — | ◇ UNVERIFIED |
| SRService Rock Products INC. - Beesley Nv | Las Vegas | NV | — | ◇ UNVERIFIED |
| SRService Rock Products INC Lone Mountain Nv Facility | Las Vegas | NV | — | ◇ UNVERIFIED |
| SRService Rock Products INC Sloan | Las Vegas | NV | — | ◇ UNVERIFIED |
| SRService Rock Products - Pahrump Plant | Pahrump | NV | — | ◇ UNVERIFIED |
| SCS&g Concrete Company | Odenton | MD | — | ◇ UNVERIFIED |
| SCS&g Concrete Edgewood | Edgewood | MD | — | ◇ UNVERIFIED |
| SGS & G Prestress Company | Wilmington | NC | — | ◇ UNVERIFIED |
| SCShamrock Concrete CO. | La Vista | NE | — | ◇ UNVERIFIED |
| SSShannon Street Pre-cast Facility | Chesapeake | VA | — | ◇ UNVERIFIED |
| SCSharon Concrete Batch Plt | Sharon | PA | — | ◇ UNVERIFIED |
| SCShea Concrete Products - Rochester | Rochester | MA | — | ◇ UNVERIFIED |
| SCShelby Concrete - Clanton | Clanton | AL | — | ◇ UNVERIFIED |
| SCShelby Concrete - Fairhope | Fairhope | AL | — | ◇ UNVERIFIED |
| SCShelby Concrete - Gulf Shores | Gulf Shores | AL | — | ◇ UNVERIFIED |
| SCShelby Concrete INC | Birmingham | AL | — | ◇ UNVERIFIED |
| SCShelby Concrete, INC. | Birmingham | AL | — | ◇ UNVERIFIED |
| SCShelby Concrete, Inc.-bessemer Plant | Bessemer | AL | — | ◇ UNVERIFIED |
| SCShelby Concrete, INC. (powder Plant Facility) | Bessemer | AL | — | ◇ UNVERIFIED |
| SGShelby Gravel Incorporated | Columbus | IN | — | ◇ UNVERIFIED |
| SMShelby Materials | Westfield | IN | — | ◇ UNVERIFIED |
| SMShelby Materials Incorporated | Indianapolis | IN | — | ◇ UNVERIFIED |
| SSSheridan Sand & Gravel | Chicago | IL | — | ◇ UNVERIFIED |
 Sherman Industries | Montgomery | AL | — | ◇ UNVERIFIED |
| Sherman Industries Decatur Plant | Trinity | AL | — | ◇ UNVERIFIED |
| Sherman Industries INC. | Huntsville | AL | — | ◇ UNVERIFIED |
| Sherman Industries,inc. | Birmingham | AL | — | ◇ UNVERIFIED |
| Sherman Industries Inc.city Plant | Birmingham | AL | — | ◇ UNVERIFIED |
| Sherman Industries - Leeds Plant | Leeds | AL | — | ◇ UNVERIFIED |
