| 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 |
| SCStone & CO Inc/charleroi Plt | Charleroi | PA | — | ◇ UNVERIFIED |
| SCStone & CO Masontown Plt | Masontown | PA | — | ◇ UNVERIFIED |
| SRStone Ready Mix LLC | Perkinston | MS | — | ◇ UNVERIFIED |
| SCStoneway Concrete Houser Way | Renton | WA | — | ◇ UNVERIFIED |
| SRStoskopf Redi-mix of Roseau INC | Roseau | MN | — | ◇ UNVERIFIED |
| SCStrata Concrete-bismarck Heartland | Bismarck | ND | — | ◇ UNVERIFIED |
| SCStrata Concrete-devils Lake | Devils Lake | ND | — | ◇ UNVERIFIED |
| SCStrata Concrete-grafton | Grafton | ND | — | ◇ UNVERIFIED |
| SCStrata Concrete-grand Forks (red River Cement Products) | Grand Forks | ND | — | ◇ UNVERIFIED |
| SCStrata Concrete-mandan | Mandan | ND | — | ◇ UNVERIFIED |
| SCStrata Concrete, Williston West - Strata Corporation | Williston | ND | — | ◇ UNVERIFIED |
| SCStrata Construction-grand Forks Asphalt Plant (nodak Contracting) | Grand Forks | ND | — | ◇ UNVERIFIED |
| SCStrata Corporation | Minot | ND | — | ◇ UNVERIFIED |
| SPStreetman Plant | Streetman | TX | — | ◇ UNVERIFIED |
| SMStrittmatter Materials, LLC Dba D.c. Materials | Hyattsville | MD | — | ◇ UNVERIFIED |
| SCStuart Concrete Incorporated - Stuart Division | Stuart | VA | — | ◇ UNVERIFIED |
| STS. T. Wooten Corp- Garner Concrete Plant # 11 | Garner | NC | — | ◇ UNVERIFIED |
| STS T Wooten Corporation | Garner | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation | Wilmington | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation/apex Plant -plant No. 18 | Apex | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Beaufort | Beaufort | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Goldsboro | Goldsboro | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Hubert | Hubert | NC | — | ◇ UNVERIFIED |
| STS T Wooten Corporation - Newport | Newport | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation, Plant 7 | Raleigh | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Plant 9 | Raleigh | NC | — | ◇ UNVERIFIED |
| STS T Wooten Corporation - Plant No 3 | Wilsons Mills | NC | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Wilson Mills Plant No 3 | Clayton | NC | — | ◇ UNVERIFIED |
| STS T Wooten Corporation - Winterville | Winterville | 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 |
| SRSuburban Reddi-mix - Ft. Lupton Plant | Fort Lupton | CO | — | ◇ UNVERIFIED |
| SCSuffolk Construction CORP. | Toms River | NJ | — | ◇ UNVERIFIED |
| SCSugar City Building Materials | Pinole | CA | — | ◇ UNVERIFIED |
| SMSully Miller Contracting CO | Irwindale | CA | — | ◇ UNVERIFIED |
| SCSummers Concrete and Supply, INC. | Hinton | WV | — | ◇ UNVERIFIED |
| SCSummers Concrete Contracting, INC. Plant 450 | Kinston | NC | — | ◇ 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 Simpson Construction Property | Cleveland | TN | — | ◇ UNVERIFIED |
| SMSummers-taylor Materials Company -rogersville Concrete Plant 2 | Rogersville | TN | — | ◇ UNVERIFIED |
| SLSummit Lake Trail Crsc Plant | Lovelock | NV | — | ◇ UNVERIFIED |
| SMSuncrete Materials CO. | Hesperia | CA | — | ◇ UNVERIFIED |
| SBSundance Batch Plant | Crook | WY | — | ◇ UNVERIFIED |
| SISundance Investment Group, LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| SCSundt CORP | Cortez | CO | — | ◇ UNVERIFIED |
| SGSunnyside Gravel | Carbondale | CO | — | ◇ UNVERIFIED |
| SRSunrise Redi-mix | Modesto | CA | — | ◇ UNVERIFIED |