| SPStaker & Parson Companies Point West Ready-mix Concrete | Lehi | UT | — | ◇ UNVERIFIED |
| SPStaker & Parson Companies Smithfield Plant | Smithfield | UT | — | ◇ UNVERIFIED |
| SPStaker & Parson Companies St. George Ready-mix & Asphalt | Saint George | UT | — | ◇ UNVERIFIED |
| SPStaker Paving and Construction | Mancos | CO | — | ◇ UNVERIFIED |
| SIStaleys Interstate Ready-mix Concrete | Peoria | IL | — | ◇ UNVERIFIED |
| SCStamm Contracting Co., INC | Mantua | OH | — | ◇ UNVERIFIED |
| SCStandard Concrete Products | Atlanta | GA | — | ◇ UNVERIFIED |
| SCStandard Concrete Products INC | Santa Monica | CA | — | ◇ UNVERIFIED |
| SMStandard Materials- | Pearl River | LA | — | ◇ UNVERIFIED |
| SMStandard Materials Group, Inc.- Portable Rm 5036 | Bentonville | AR | — | ◇ UNVERIFIED |
| SPStandard Precast, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| SSStandard Sand & Silica Company | Lake Wales | FL | — | ◇ UNVERIFIED |
| SSStandard Supply CO | Maysville | KY | — | ◇ UNVERIFIED |
| SCStar Concrete Company | Saint Charles | MO | — | ◇ UNVERIFIED |
| SCStar Concrete Co-star Concrete CO | O Fallon | MO | — | ◇ UNVERIFIED |
| SPStark Paving INC | Bloomington | IL | — | ◇ UNVERIFIED |
| SSStark Services INC | Marengo | IL | — | ◇ UNVERIFIED |
| SIStarvaggi Ind. | Weirton | WV | — | ◇ UNVERIFIED |
| SSSta Seal Industries INC | South River | NJ | — | ◇ UNVERIFIED |
| SSSta Seal Industries INC Lumberton Asphalt Plant | Mount Holly | NJ | — | ◇ UNVERIFIED |
| SHState Highway Construction | Springfield | IL | — | ◇ UNVERIFIED |
| SHState Highway Construction | Taylorville | IL | — | ◇ UNVERIFIED |
| SHState Highway Construction CORP | Payson | IL | — | ◇ UNVERIFIED |
| SHState Highway Construction CORP | Lincoln | IL | — | ◇ UNVERIFIED |
| SHState Highway Construction CORP INC | Litchfield | IL | — | ◇ UNVERIFIED |
| SHState Highway Construction CORP INC | Assumption | IL | — | ◇ UNVERIFIED |
| SHState Highway Construction CORP INC | Pana | IL | — | ◇ UNVERIFIED |
| SSState Sand & Gravel | Belfast | ME | — | ◇ UNVERIFIED |
| SSState Sand & Gravel INC | Belfast | ME | — | ◇ UNVERIFIED |
| SAStavola Asphalt CO INC Howell Facility | Howell | NJ | — | ◇ UNVERIFIED |
| SAStavola Asphalt CO - Millstone | Millstone Township | NJ | — | ◇ UNVERIFIED |
| SMStavola Materials Oldwick Quarry | Oldwick | NJ | — | ◇ UNVERIFIED |
| SCSteckel Conc | Lopatcong | NJ | — | ◇ UNVERIFIED |
| SISteelstone Industries, INC. - Houlton | Houlton | ME | — | ◇ UNVERIFIED |
| SCStephens City | Stephens City | VA | — | ◇ UNVERIFIED |
| S2Stephenville 2 | Stephenville | TX | — | ◇ UNVERIFIED |
| SCSterling Concrete CORP | Sterling | MA | — | ◇ UNVERIFIED |
| SPSterling Purchasing CORP Dba Sterling Manufacturing | Sarasota | FL | — | ◇ UNVERIFIED |
| SRSterling Ready Mix Concrete Co.cn | Kit Carson | CO | — | ◇ UNVERIFIED |
| SCSteven Counts, INC. Fka Harlis Ellington | Ocala | FL | — | ◇ UNVERIFIED |
| SLStevenson-weir Lockhart | Union | SC | — | ◇ UNVERIFIED |
| SSStevenson-weir Southern - Greenville Plant | Greenville | SC | — | ◇ UNVERIFIED |
| SLStevenson-weir/southern LLC - Sws Vince Hagan | Fort Lawn | SC | — | ◇ UNVERIFIED |
| SJSt Joseph Fuel Oil Co-st Joseph Fuel Oil CO | Saint Joseph | MO | — | ◇ UNVERIFIED |
| SMSt Marys Cement INC | Waukegan | IL | — | ◇ UNVERIFIED |
| SCSto CORP Atlanta Mfg Facility | Atlanta | GA | — | ◇ UNVERIFIED |
| SIStollberg INC | Niagara Falls | NY | — | ◇ UNVERIFIED |
| SLStonecasters LLC | Wauconda | IL | — | ◇ UNVERIFIED |
| SEStoneco Equipment #21.8789 | Lima | OH | — | ◇ UNVERIFIED |
| SEStoneco Equipment #21.8795 | Portage | OH | — | ◇ UNVERIFIED |
| SCStone & CO Masontown Plt | Masontown | PA | — | ◇ UNVERIFIED |
| SPStoneco Plant No 114 | Findlay | OH | — | ◇ UNVERIFIED |
| SIStone Industries | Haledon | NJ | — | ◇ UNVERIFIED |
| SCStoneway Concrete Houser Way | Renton | WA | — | ◇ UNVERIFIED |
| SCStrata Construction-devils Lake (nodak Contracting) | Devils Lake | ND | — | ◇ UNVERIFIED |
| SCStrata Corporation - Emerado | Emerado | ND | — | ◇ UNVERIFIED |
| SCStrata Corporation-menoken | Menoken | ND | — | ◇ UNVERIFIED |
| SCStrata Corporation-stanley | Stanley | ND | — | ◇ UNVERIFIED |
| SEStroehecker Excavation | Durango | CO | — | ◇ UNVERIFIED |
| SCStuart Concrete INC - Floyd Division | Floyd | VA | — | ◇ UNVERIFIED |
| SCStuart Concrete Incorporated - Floyd Division | Floyd | VA | — | ◇ UNVERIFIED |
| SCStuart Concrete Incorporated - Stuart Division | Stuart | VA | — | ◇ UNVERIFIED |
| SMStuart M Perry INC - Berryville | Berryville | VA | — | ◇ UNVERIFIED |
| SWS.t. Wooten Asphalt Mixing Services, Limited Liability Company - Plant Number 15 | Candor | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Asphalt Mixing Services, Llc, Plant 5, 6, 15 | Zebulon | NC | — | ◇ UNVERIFIED |
| STS T Wooten Corporation | Garner | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Beaufort | Beaufort | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Franklinton | Franklinton | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Goldsboro | Goldsboro | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Hubert | Hubert | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - I-40 Asphalt Plant | Raleigh | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation, Plant 7 | Raleigh | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Plant 9 | Raleigh | NC | — | ◇ UNVERIFIED |
| STS T Wooten CORP Plant 8 | Raleigh | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Plant 5 - Banks Rd | Fuquay Varina | NC | — | ◇ UNVERIFIED |
| SRSuburban Reddi Mix CO | Adams Cnty | CO | — | ◇ UNVERIFIED |
| SRSuburban Reddi-mix CO. | Aurora | CO | — | ◇ UNVERIFIED |
| SOSuit-kote Oneonta | Oneonta | NY | — | ◇ UNVERIFIED |
| SESullivan Equipment CO - Asphalt Plant #2 | Port Allen | LA | — | ◇ UNVERIFIED |
| SMSullivan Materials | Liberty | NY | — | ◇ UNVERIFIED |
| SASummers-taylor Asphalt Plant | Morrison | TN | — | ◇ UNVERIFIED |
| SCSummers-taylor Concrete Plant | Greeneville | TN | — | ◇ UNVERIFIED |
| STSummers Taylor, INC. - Blountville | Kingsport | TN | — | ◇ UNVERIFIED |
| STSummers Taylor Materials Company | Blountville | TN | — | ◇ UNVERIFIED |
| SMSummers-taylor Materials Company | Greeneville | TN | — | ◇ UNVERIFIED |
| SMSummers-taylor Materials Company Dba Erwin Concrete Plant | Erwin | TN | — | ◇ UNVERIFIED |
| SMSummers-taylor Materials Company Dba Johnson City Concrete Plant | Johnson City | TN | — | ◇ UNVERIFIED |
| SMSummers-taylor Materials Company Dba Morristown Concrete Plant | Morristown | TN | — | ◇ UNVERIFIED |
| SMSummers-taylor Materials Company Dba Rogersville Concrete Plant | Rogersville | TN | — | ◇ UNVERIFIED |
| SMSummers-taylor Materials Company - Kingsport Concrete Plant | Kingsport | TN | — | ◇ UNVERIFIED |
| SMSummers-taylor Materials Company - Mooresburg Concrete Plant | Mooresburg | TN | — | ◇ UNVERIFIED |
| SMSummers-taylor Materials Company -rogersville Concrete Plant 2 | Rogersville | TN | — | ◇ UNVERIFIED |
| STSummers Taylor Materials - Unicoi Asphalt Plant #4 | Unicoi | TN | — | ◇ UNVERIFIED |
| SWSummerstaylor Watauga Asphalt Plant #2 | Watauga | TN | — | ◇ UNVERIFIED |
| SASummit Asphalt Plant | Blountsville | AL | — | ◇ UNVERIFIED |
| SVSummit View | Fort Collins | CO | — | ◇ UNVERIFIED |
| SPSuncoast Paving, INC. | Tarpon Springs | FL | — | ◇ UNVERIFIED |
| SWSunnycrest Wilbert | Auburn | NY | — | ◇ UNVERIFIED |
| SSSunnyvale School Dist | Sunnyvale | CA | — | ◇ UNVERIFIED |
| SRSunrise Redi Mix Cbp | Northlake | TX | — | ◇ UNVERIFIED |