| SCScott Construction INC - Jackson Quarry | Loganville | WI | — | ◇ UNVERIFIED |
| SCScotty's Contacting and Stone LLC - Hart County Stone | Horse Cave | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Fort Knox Plant 4 | Elizabethtown | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Glasgow Quarry | Cave City | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Mcginnis Quarry - Portable | Franklin | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Mcginnis Quarry Portable | Upton | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Metcalfe CO Quarry | Knob Lick | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Portab | Elizabethtown | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Portable Asphalt Plant | Elizabethtown | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Upton Plant 7 | Elizabethtown | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Warren Portable Asphalt 1 | Bowling Green | KY | — | ◇ UNVERIFIED |
| SCScottys Contracting & Stone LLC - Wash Plant- Portable | Leitchfield | KY | — | ◇ UNVERIFIED |
| SLSealmaster Los Angeles | San Diego | CA | — | ◇ UNVERIFIED |
| SOSealmaster of Kansas City | Kansas City | MO | — | ◇ UNVERIFIED |
| SMSeal Masters | Bakersfield | CA | — | ◇ UNVERIFIED |
| SKSedgwick, Ks Stockpile | Sedgwick | KS | — | ◇ UNVERIFIED |
| SSemmaterials | Spokane | WA | — | ◇ UNVERIFIED |
| SPSeneca Petroleum CO. | Toledo | OH | — | ◇ UNVERIFIED |
| SPSeneca Petroleum CO. INC. | Toledo | OH | — | ◇ UNVERIFIED |
| SBSenn Blacktop INC | Chippewa Falls | WI | — | ◇ UNVERIFIED |
| SRService Rock Prods INC Barstow | Barstow | CA | — | ◇ UNVERIFIED |
| SGSet Grading and Paving CORP. | Glendale | CA | — | ◇ UNVERIFIED |
| SEShamrock Enterprises - Oronoco | Oronoco | MN | — | ◇ UNVERIFIED |
| SBSharpe Brothers - Plant 4 | Kernersville | NC | — | ◇ UNVERIFIED |
| SCSheboygan County Highway Asphalt Plant - 5731 | Greenbush | WI | — | ◇ UNVERIFIED |
| SPShelby's Pit | Harrington | ME | — | ◇ UNVERIFIED |
| SMShelly Materials, INC. - Plant #85 (0306000125) | Buckland | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant #1 (0744000097) | Proctorville | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant # 4132 (0448010386) | Toledo | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant 47 (0773000237) | Lucasville | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant # 61 (0165010128) | Circleville | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant 65 (0660000100) | Dresden | OH | — | ◇ UNVERIFIED |
| SASherbrooke Asphalt INC | Portable | MN | — | ◇ UNVERIFIED |
| SASherbrooke Asphalt Incorporated | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| SISherwin Industries INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| SCSiegrist Const | Denver | CO | — | ◇ UNVERIFIED |
| SCSierra Cascade Asphalt | Chester | CA | — | ◇ UNVERIFIED |
| SCSika CORP Industry Div | Union City | CA | — | ◇ UNVERIFIED |
| SCSilvia Construction INC | San Jose | CA | — | ◇ UNVERIFIED |
| SCSilvia Construction INC | Upland | CA | — | ◇ UNVERIFIED |
| SASimon Aesco Madsen Portable B | Laramie County | WY | — | ◇ UNVERIFIED |
| SASimon Aesco Madsen Portable Bc Plant | Laramie | WY | — | ◇ UNVERIFIED |
| SCSimon Contractors Mobile 01 | Statewide Portable | NE | — | ◇ UNVERIFIED |
| SCSimon Contractors - Rushmore Bc Plant | Statewide | CO | — | ◇ UNVERIFIED |
| SPSimon Portable Bc Plant #5 | Crook | WY | — | ◇ UNVERIFIED |
| SPSinger Plant | Everson | WA | — | ◇ UNVERIFIED |
| SSSisquoc Sand, Rock and Gravel Plant | Santa Maria | CA | — | ◇ UNVERIFIED |
| SCSja Concrete | Philadelphia | PA | — | ◇ UNVERIFIED |
| SUSkanska USA Civil West Ca Dist INC | Colton | CA | — | ◇ UNVERIFIED |
| SPSlab Properties, LLC | Marriott-Slaterville | UT | — | ◇ UNVERIFIED |