| 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 |