| SPStaker & Parson California Ready-mix Concrete | Salt Lake City | UT | — | ◇ UNVERIFIED |
| SPStaker & Parson Companies INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| SPStaker & Parson Companies- Lehi-peck Pit | Lehi | UT | — | ◇ UNVERIFIED |
| SPStaker Parson Dba Idaho Materials and Construction 00633 | Nampa | ID | — | ◇ UNVERIFIED |
| SPStaker Parson Materials & Construction - Heber Binggeli Pit | Charleston | UT | — | ◇ UNVERIFIED |
| SCStaley Consolidated Ready Mix INC | Pekin | IL | — | ◇ UNVERIFIED |
| SIStaleys Interstate Ready-mix Concrete | Peoria | IL | — | ◇ UNVERIFIED |
| SCStamm Contracting Co., INC | Mantua | OH | — | ◇ UNVERIFIED |
| SCStandard Concrete Products | Columbus | GA | — | ◇ UNVERIFIED |
| SCStandard Concrete Products in | Lake Forest | CA | — | ◇ UNVERIFIED |
| SCStandard Corporation Jones Lane | Lugoff | SC | — | ◇ UNVERIFIED |
| SIStandard Industrial Mineral in | Laws | CA | — | ◇ UNVERIFIED |
| SMStandard Materials Group, INC. | Bixby | OK | — | ◇ UNVERIFIED |
| SMStandard Materials Group, INC. Pryor | Pryor | OK | — | ◇ UNVERIFIED |
| SMStandard Mineral Company Incorporated | Robbins | NC | — | ◇ UNVERIFIED |
| SRStandard Ready Mix - Sergeant Bluff Plant | Sergeant Bluff | IA | — | ◇ UNVERIFIED |
| SRStanford Ready Mix Concr | Stanford | KY | — | ◇ UNVERIFIED |
| SCStar Concrete | San Jose | CA | — | ◇ UNVERIFIED |
| SCStar Concrete | Gilroy | CA | — | ◇ UNVERIFIED |
| SCStar Concrete Company | Saint Charles | MO | — | ◇ UNVERIFIED |
| SCStar Concrete Co-star Concrete CO | O Fallon | MO | — | ◇ UNVERIFIED |
| SEStark Excavating INC | Normal | IL | — | ◇ UNVERIFIED |
| SEStark Excavating INC | Bloomington | IL | — | ◇ UNVERIFIED |
| SMStark Materials INC | Normal | IL | — | ◇ UNVERIFIED |
| SSStark Services INC | Marengo | IL | — | ◇ UNVERIFIED |
| SRStar Ready Mix INC | Cidra | PR | — | ◇ UNVERIFIED |
| SRStar Ready Mix INC. | Poplar Bluff | MO | — | ◇ UNVERIFIED |
| SIStarvaggi Ind. | Weirton | WV | — | ◇ UNVERIFIED |
| SCStationary Concrete Batch Pla | Buffalo | WY | — | ◇ UNVERIFIED |
| SBSteckling Brothers INC | Saint Helen | MI | — | ◇ UNVERIFIED |
| SGSte Genevieve Ready Mix Concrete Inc-perryville Plant | Perryville | MO | — | ◇ UNVERIFIED |
| SIStein, INC | Birmingham | AL | — | ◇ UNVERIFIED |
| SIStein, INC. (old Harsco Metals) | Tarrant | AL | — | ◇ UNVERIFIED |
| SLStein LLC (1318003929) | Cleveland | OH | — | ◇ UNVERIFIED |
| SCStephens Construction | Luverne | AL | — | ◇ UNVERIFIED |
| SRSterling Ready Mix Concrete CO | Lamar | CO | — | ◇ UNVERIFIED |
| SRSterling Ready Mix Concrete Co.cn | Kit Carson | CO | — | ◇ UNVERIFIED |
| SRSterling-rockfalls Ready Mix | Dixon | IL | — | ◇ UNVERIFIED |
| SLStevenson-weir Lockhart | Union | SC | — | ◇ UNVERIFIED |
| SSStevenson-weir Southern - Clinton Plant | Clinton | SC | — | ◇ UNVERIFIED |
| SLStevenson-weir/southern LLC - Sws Vince Hagan | Fort Lawn | SC | — | ◇ UNVERIFIED |
| SSStevenson-weir Southern - Spartanburg Plant | Wellford | SC | — | ◇ UNVERIFIED |
| STStevenson-weir/southern - Texland | Charlotte | NC | — | ◇ UNVERIFIED |
| SRStewart-morrison Redi-mix | West Plains | MO | — | ◇ UNVERIFIED |
| SCSt-gobain Ceramics & Plastics | Bryant | AR | — | ◇ UNVERIFIED |
| SHSt Henry Tile CO INC Dba Keystone Concrete | Churubusco | IN | — | ◇ UNVERIFIED |
| SRStillwell Ready Mix & Building Materials LLC | Brooklyn | NY | — | ◇ UNVERIFIED |
| SMSt Martin Land CO #1 Production Facility - Section 28 Oil & Gas Field | Parks | LA | — | ◇ UNVERIFIED |
| SMSt Marys Cement INC | Waukegan | IL | — | ◇ UNVERIFIED |
| SCStone & CO INC Canonsburg Plt | Canonsburg | PA | — | ◇ UNVERIFIED |