| 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 |
| SESilver Eagle Refining - Woods Cross Inc.- Petroleum Products Refining | Woods Cross | UT | — | ◇ UNVERIFIED |
| SCSilvia Construction INC | Upland | CA | — | ◇ UNVERIFIED |
| SCSilvia Construction INC | San Jose | CA | — | ◇ UNVERIFIED |
| SASimon Aesco Madsen Portable B | Laramie County | WY | — | ◇ UNVERIFIED |
| SASimon Aesco Madsen Portable Bc Plant | Laramie | WY | — | ◇ UNVERIFIED |
| SCSimon - Cheyenne Asphalt - Mobile Bc Plant #3 | Cheyenne | WY | — | ◇ UNVERIFIED |
| SCSimon Contractors | Scottsbluff | NE | — | ◇ UNVERIFIED |
| SCSimon Contractors INC | Scottsbluff | NE | — | ◇ 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 |
| SCSimpson Construction Materials LLC Valley Park | Valley Park | MO | — | ◇ UNVERIFIED |
| SOSinclair Oil Tulsa Refining Tulsa Trucking | Tulsa | OK | — | ◇ UNVERIFIED |
| SPSinger Plant | Everson | WA | — | ◇ UNVERIFIED |
| SSSisquoc Sand, Rock and Gravel Plant | Santa Maria | CA | — | ◇ UNVERIFIED |
| SMSite Masters Construction Inc, Hot Mix Plant 1 | Columbus | MS | — | ◇ UNVERIFIED |
| SCSja Concrete | Philadelphia | PA | — | ◇ UNVERIFIED |
| SUSkanska USA Civil West Ca Dist INC | Colton | CA | — | ◇ UNVERIFIED |
| SUSkanska USA - Hma Plant | Cortez | CO | — | ◇ UNVERIFIED |
| SASkippers Asphalt Plant | Jarratt | VA | — | ◇ UNVERIFIED |
| SPSlab Properties, LLC | Marriott-Slaterville | UT | — | ◇ UNVERIFIED |
| SCSloan Construction:#13-closed | Gray Court | SC | — | ◇ UNVERIFIED |
| SCSloan Construction:#14-closed | Duncan | SC | — | ◇ UNVERIFIED |
| SCSloan Construction:#16 | Cayce | SC | — | ◇ UNVERIFIED |
| SCSloan Construction:# 7 | Columbia | SC | — | ◇ UNVERIFIED |
| SCSloan Construction:anderson | Anderson | SC | — | ◇ UNVERIFIED |
| SCSloan Construction:blacksburg | Blacksburg | SC | — | ◇ UNVERIFIED |
| SCSloan Construction Co-forsyth | Winston Salem | NC | — | ◇ UNVERIFIED |
| SCSloan Construction Company INC | Duncan | SC | — | ◇ UNVERIFIED |
| SCSloan Construction:duncan | Duncan | SC | — | ◇ UNVERIFIED |
| SCSloan Construction:liberty | Liberty | SC | — | ◇ UNVERIFIED |
| SCSloan Construction:pacolet | Pacolet | SC | — | ◇ UNVERIFIED |
| SMSloan Midstate Asphalt Plant | Columbia | SC | — | ◇ UNVERIFIED |
| SPSlurry Pavers, INC. | Morehead City | NC | — | ◇ UNVERIFIED |
| SLS L Williamson & CO - Red Hill | North Garden | VA | — | ◇ UNVERIFIED |
| SLS L Williamson & CO - Ruckersville | Ruckersville | VA | — | ◇ UNVERIFIED |
| SLS L Williamson & CO - Shadwell | Charlottesville | VA | — | ◇ UNVERIFIED |
| SASmasal Aggregates & Asphalt, LLC | Cole Camp | MO | — | ◇ UNVERIFIED |
| SSSme Saginaw | Saginaw | MI | — | ◇ UNVERIFIED |
| SCSmith Construction INC #1000-92 | Marquette | MI | — | ◇ UNVERIFIED |
| SISmith Island Ac Plant | Everett | WA | — | ◇ UNVERIFIED |
| SRSmyrna Ready Mix Concrete, LLC - Spec Agg Ready Mix | Golden | CO | — | ◇ UNVERIFIED |
| SSSoil Safe INC | Brandywine | MD | — | ◇ UNVERIFIED |
| SCSolano Concrete Company INC | Fairfield | CA | — | ◇ UNVERIFIED |
| SCSolano Concrete Company Incorporated | Madison | CA | — | ◇ UNVERIFIED |
| SASolari Asphalt Facility - Granite Constr | Arvin | CA | — | ◇ UNVERIFIED |
| SQSolari Quarry - Granite Construction | Arvin | CA | — | ◇ UNVERIFIED |
| SISolutia, INC. - Linden Facility | Linden | NJ | — | ◇ UNVERIFIED |
| SRSorenson Ready-mix Concrete | Washington | UT | — | ◇ UNVERIFIED |
| SHSoutel Hma Plant | Jacksonville | FL | — | ◇ UNVERIFIED |
| SRSouthampton Roads Construction Corp | Virginia Beach | VA | — | ◇ UNVERIFIED |
| SBSouth Boston Asphalt Plant | South Boston | VA | — | ◇ UNVERIFIED |
| SCSoutheastern Concrete Company Inc, Plant Number 4 | Hattiesburg | MS | — | ◇ UNVERIFIED |
| SASouthern Asphalt | Conway | SC | — | ◇ UNVERIFIED |
| SISouthern Illinois Materials CO | Dodds | IL | — | ◇ UNVERIFIED |
| SISouthern Illinois Stone CO | Buncombe | IL | — | ◇ UNVERIFIED |
| SNSouthern Nevada Paving Charleston | Las Vegas | NV | — | ◇ UNVERIFIED |
| SWSouthern West Virginia Asphalt, Inc., Clear Fork | Clear Fork | WV | — | ◇ UNVERIFIED |
| SWSouthern West Virginia Asphalt, Inc., Hma Plant #33 | Beaver | WV | — | ◇ UNVERIFIED |
| SWSouthern West Virginia Asphalt, Inc., Huntington | Huntington | WV | — | ◇ UNVERIFIED |
| SWSouthern West Virginia Asphalt, Inc., Mill Point | Hillsboro | WV | — | ◇ UNVERIFIED |
| SWSouthern West Virginia Asphalt, Inc., Moorefield | Moorefield | WV | — | ◇ UNVERIFIED |
| SWSouthern West Virginia Asphalt, Inc., Plant #52 Alta | Alta | WV | — | ◇ UNVERIFIED |
| SWSouthern West Virginia Asphalt, Inc., Whitman | Whitman | WV | — | ◇ UNVERIFIED |
| SWSouthern West Virginia Asphalt, Princeton/plant # | Princeton | WV | — | ◇ UNVERIFIED |
| SFSouth Florida Materials CORP | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| SFSouth Florida Plant | Pompano Beach | FL | — | ◇ UNVERIFIED |
| SSSouth State INC | Bridgeton | NJ | — | ◇ UNVERIFIED |
| SASouthwest Asphalt | Peoria | AZ | — | ◇ UNVERIFIED |
| SCSouthwest Concrete & Paving | Deming | NM | — | ◇ UNVERIFIED |
| SRSouthwind Ras LLC | Lyons | IL | — | ◇ UNVERIFIED |
| SCSowers Construction Co., INC. Asphalt Plant | Mount Airy | NC | — | ◇ UNVERIFIED |
| SASparks Asphalt Plant | Sparks | NV | — | ◇ UNVERIFIED |
| SRSpoon River Blacktop | Lewistown | IL | — | ◇ UNVERIFIED |
| SASpringfield Asphalt Plant | Springfield | KY | — | ◇ UNVERIFIED |
| SMSquak Mountain Materials INC | Issaquah | WA | — | ◇ UNVERIFIED |
| SFSr60 From E of Clarence Gordon Jr to Polk County L | Plant City | FL | — | ◇ UNVERIFIED |
| SCSta-bilt Construction CO - Harlan | Harlan | IA | — | ◇ UNVERIFIED |
| SPStaker Parson Brigham City | Brigham City | UT | — | ◇ UNVERIFIED |
| SPStaker & Parson Companies Point North | Draper | UT | — | ◇ UNVERIFIED |
| SPStaker Parson Companies Price Asphalt Plant | Carbon County | UT | — | ◇ UNVERIFIED |
| SPStaker & Parson Companies Smithfield Plant | Smithfield | UT | — | ◇ UNVERIFIED |
| SPStaker Paving and Construction | Mancos | CO | — | ◇ UNVERIFIED |
| SPStallion Paving, LLC | Salado | TX | — | ◇ UNVERIFIED |
| STStansteel Tm30 Asphalt Plant No0499 | Socorro | NM | — | ◇ UNVERIFIED |
| SIStarcon International | Lemont | IL | — | ◇ UNVERIFIED |
| SIStarcon International | Artesia | NM | — | ◇ UNVERIFIED |