| SCSchuster Concrete Ready Mix Llc-hobbs Rd | Denton | MD | — | ◇ UNVERIFIED |
| SCSchuster Concrete Ready Mix Llc-southlawn Ln | Rockville | MD | — | ◇ UNVERIFIED |
| SCSchuster Concrete Ready Mix - One Logistics | Winchester | VA | — | ◇ UNVERIFIED |
| SDSchuster, Daniel, INC. | Owings Mills | MD | — | ◇ UNVERIFIED |
| SASchwarz Asphalt LLC / 8251 W Reno | Oklahoma City | OK | — | ◇ UNVERIFIED |
| SPScio Packaging Company | Scio | OH | — | ◇ UNVERIFIED |
| SMScioto Materials LLC St. Louisville (0145000400) | Saint Louisville | OH | — | ◇ UNVERIFIED |
| SRScott Rock - Sycamore Quarry | Sycamore | KS | — | ◇ UNVERIFIED |
| SPScottsboro Plant | Scottsboro | AL | — | ◇ UNVERIFIED |
| SCScott's Concrete Camdenton | Camdenton | MO | — | ◇ UNVERIFIED |
| SCScotty's Contracting | Elkton | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC | Cave City | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Asphalt Plant | Cave City | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Portable Power Screen | Fort Knox | KY | — | ◇ UNVERIFIED |
| SCScotty's Contracting & Stone LLC - Qualified Paving | Leitchfield | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Rocky Asphalt Plant E-town | Horse Cave | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Scottsville Asphalt Plant | Scottsville | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Tompkinsville Asphalt Plant | Tompkinsville | KY | — | ◇ UNVERIFIED |
| SPSc Prestress Kingstree | Kingstree | SC | — | ◇ UNVERIFIED |
| SPSc Prestress Lakecity | Lake City | SC | — | ◇ UNVERIFIED |
| SCScrap Central INC | Omaha | NE | — | ◇ UNVERIFIED |
| SIScrap It LLC | Mulberry | FL | — | ◇ UNVERIFIED |
| SCScruggs Company | Meigs | GA | — | ◇ UNVERIFIED |
| SCScruggs Company (plt #3) | Valdosta | GA | — | ◇ UNVERIFIED |
| SDSd Dot - Glacial Lakes Rest Area | Aberdeen | SD | — | ◇ UNVERIFIED |
| SASeaboard Asphalt Products Company | Baltimore | MD | — | ◇ UNVERIFIED |
| SCSeaboard Construction | Brunswick | GA | — | ◇ UNVERIFIED |
| SMSeaforth Mineral & Ore CO INC | East Liverpool | OH | — | ◇ UNVERIFIED |
| SMSeal Masters INC / Adm Portable Plant 2 | Ardmore | OK | — | ◇ UNVERIFIED |
| SUSealmaster Utah | West Valley City | UT | — | ◇ UNVERIFIED |
| SCSebewaing Concrete Prod INC | Sebewaing | MI | — | ◇ UNVERIFIED |
| SASebring Airport Temporary Ready Mix Plant | Orlando | FL | — | ◇ UNVERIFIED |
| SCSe Concrete INC | Kingston | MA | — | ◇ UNVERIFIED |
| SISecon, Inc./stansteel 3000 | Bellevue | WA | — | ◇ UNVERIFIED |
| SCSedgwick CO. Public Works (asphalt Plant)(air) | Wichita | KS | — | ◇ 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 |
| SMSem Materials, INC. | Ardmore | OK | — | ◇ UNVERIFIED |
| SLSemmaterials L.p. | Fontana | CA | — | ◇ UNVERIFIED |
| SLSemmaterials LP | Conley | GA | — | ◇ UNVERIFIED |
| SLSemmaterials, L.p. - Ogden Ut | Ogden | UT | — | ◇ UNVERIFIED |
| SLSemmaterials LP Spokane | Spokane | WA | — | ◇ UNVERIFIED |
| SOSemo Operating Company | Advance | MO | — | ◇ UNVERIFIED |
| SASenate Asphalt | Washington | DC | — | ◇ UNVERIFIED |
| SSSeneca Stone CORP | Fayette | NY | — | ◇ UNVERIFIED |
| STSenter Transit Mix Division of Concrete Industries INC | Tupelo | MS | — | ◇ UNVERIFIED |
| STSeparation Technologies LLC | York Haven | PA | — | ◇ 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 |
| SPSeward Plant | Liberty Hill | TX | — | ◇ UNVERIFIED |
| SGS& G Concrete | Finksburg | MD | — | ◇ UNVERIFIED |
| SCS&g Concrete Company | Odenton | MD | — | ◇ UNVERIFIED |
| SCS&g Concrete Edgewood | Edgewood | MD | — | ◇ UNVERIFIED |
| SGS & G Prestress Company | Wilmington | NC | — | ◇ UNVERIFIED |
| SAShad Asphalt Plant | Jacksonville | FL | — | ◇ UNVERIFIED |
| SCShamrock Concrete CO. | La Vista | NE | — | ◇ UNVERIFIED |
| SSShannon Street Pre-cast Facility | Chesapeake | VA | — | ◇ UNVERIFIED |
| SCSharon Concrete Batch Plt | Sharon | PA | — | ◇ UNVERIFIED |
| SSSharon Steel CORP (farrell Works Disposal Area) | Hermitage | PA | — | ◇ UNVERIFIED |
| SPSharp Paving Inc/shelocta Asphalt Plt | Shelocta | PA | — | ◇ UNVERIFIED |
| SASharps Asphalt | Springdale | AR | — | ◇ UNVERIFIED |
| SQSharps Quarry | Springdale | AR | — | ◇ UNVERIFIED |
| SCShea Concrete Products - Rochester | Rochester | MA | — | ◇ UNVERIFIED |
| SSShea Sand & Gravel {jfs-sr} | Redding | CA | — | ◇ UNVERIFIED |
| SASheehan Asphalt Plant Potsdam | Potsdam | NY | — | ◇ 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 |
| SLShelly Liquid Division | Cleveland | OH | — | ◇ UNVERIFIED |
| SMShelly Materials | Lima | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Chillicothe | Chillicothe | OH | — | ◇ UNVERIFIED |
| SMShelly Materials INC | Columbus | OH | — | ◇ UNVERIFIED |
| SMShelly Materials, INC. - Plant #85 | Buckland | OH | — | ◇ UNVERIFIED |
| SMShelly Materials INC. Plt. #99 | Ohio | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant 24 (0180000002) | Ostrander | OH | — | ◇ UNVERIFIED |
| SMShelly Materials - Plant #25 (0812760039) | Springfield | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant #43 (0701000068) | Peebles | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant 65 | Dresden | OH | — | ◇ UNVERIFIED |