| SKSedgwick, Ks Stockpile | Sedgwick | KS | — | ◇ UNVERIFIED |
| SSSellersburg Stone CO INC (asphalt) | Sellersburg | IN | — | ◇ UNVERIFIED |
| SSemmaterials | Spokane | WA | — | ◇ UNVERIFIED |
| SMSem Materials, INC. | Ardmore | OK | — | ◇ UNVERIFIED |
| SLSemmaterials LP | Conley | GA | — | ◇ UNVERIFIED |
| SLSemmaterials, L.p. - Ogden Ut | Ogden | UT | — | ◇ UNVERIFIED |
| SASenate Asphalt | Washington | DC | — | ◇ 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 |
| SPSessions Paving Company | Nashville | TN | — | ◇ UNVERIFIED |
| SGSet Grading and Paving CORP. | Glendale | CA | — | ◇ UNVERIFIED |
| SAShad Asphalt Plant | Jacksonville | FL | — | ◇ UNVERIFIED |
| SEShamrock Enterprises - Oronoco | Oronoco | MN | — | ◇ UNVERIFIED |
| SPShamrock Paving INC | Spokane | WA | — | ◇ UNVERIFIED |
| SSSharon Steel CORP (farrell Works Disposal Area) | Hermitage | PA | — | ◇ UNVERIFIED |
| SBSharpe Bros., a Div. of Vecellio & Grogan, INC. - Burnt Popl | Greensboro | NC | — | ◇ UNVERIFIED |
| SBSharpe Brothers - Plant 4 | Kernersville | NC | — | ◇ UNVERIFIED |
| SSShea Sand & Gravel {jfs-sr} | Redding | CA | — | ◇ UNVERIFIED |
| SCSheboygan County Highway Asphalt Plant - 5731 | Greenbush | WI | — | ◇ UNVERIFIED |
| SPShelbiana Plant #15 | Pikeville | KY | — | ◇ UNVERIFIED |
| SPShelby's Pit | Harrington | ME | — | ◇ UNVERIFIED |
| SAShelbyville Asphalt CO LLC | Shelbyville | KY | — | ◇ UNVERIFIED |
| SLShelly Liquid Division | Cleveland | OH | — | ◇ UNVERIFIED |
| SMShelly Materials | Lima | OH | — | ◇ UNVERIFIED |
| SMShelly Materials, INC. - Plant #85 (0306000125) | Buckland | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant #1 (0744000097) | Proctorville | OH | — | ◇ UNVERIFIED |
| SMShelly Materials, Plant # 128 (0387000348) | Portage | OH | — | ◇ UNVERIFIED |
| SMShelly Materials - Plant #25 (0812760039) | Springfield | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant # 4132 (0448010386) | Toledo | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant #43 (0701000068) | Peebles | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant 47 (0773000237) | Lucasville | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant # 61 | Circleville | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant # 61 (0165010128) | Circleville | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant 63 (0145020323) | Newark | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant 65 (0660000100) | Dresden | OH | — | ◇ UNVERIFIED |
| SMShelly Materials Plant #92 | Columbus | OH | — | ◇ UNVERIFIED |
| SASherbrooke Asphalt INC | Portable | MN | — | ◇ UNVERIFIED |
| SASherbrooke Asphalt Incorporated | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| SISherwin Industries INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| SCSherwood Construction CO INC / Millenial Asphalt Plant | Owasso | OK | — | ◇ UNVERIFIED |
| SCShilling Const. Gencor(asphalt Plant) (portable) | Manhattan | KS | — | ◇ UNVERIFIED |
| SCShilling Const. - Manhattan | Manhattan | KS | — | ◇ UNVERIFIED |
| SAShook Asphalt CO. INC. | Greenville | MI | — | ◇ UNVERIFIED |
| SBShort Brothers Construction INC | Marion | IL | — | ◇ UNVERIFIED |
| SASibley Aggregates - Nonmetallic | Belle Plaine | MN | — | ◇ UNVERIFIED |
| SCSiegrist Const | Denver | CO | — | ◇ UNVERIFIED |
| SCSierra Cascade Asphalt | Chester | CA | — | ◇ UNVERIFIED |
| SCSika CORP Industry Div | Union City | CA | — | ◇ UNVERIFIED |
