| SPSti Precast | Leominster | MA | — | ◐ LIKELY ACTIVE |
| SCStone & CO INC Canonsburg Plt | Canonsburg | PA | — | ◐ LIKELY ACTIVE |
| SCStone Crafters LLC | Egg Harbor Twp | NJ | 20–99 | ◐ LIKELY ACTIVE |
| SSStone Source INC | Plymouth | MN | 20–99 | ◐ LIKELY ACTIVE |
| SSStone Systems of Atlanta | Atlanta | GA | 20–99 | ◐ LIKELY ACTIVE |
| SSStone Systems of Central Texas | Austin | TX | 20–99 | ◐ LIKELY ACTIVE |
| SSStone Systems of Houston | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| SSStone Systems of North Texas | Lake Dallas | TX | 20–99 | ◐ LIKELY ACTIVE |
| SSStone Systems of South Florida, LLC | Lauderhill | FL | 20–99 | ◐ LIKELY ACTIVE |
| SCStrata Concrete-elgin | Elgin | ND | — | ◐ LIKELY ACTIVE |
| SMStrawser Materials - Harmon Plant | Columbus | OH | — | ◐ LIKELY ACTIVE |
| SMStrittmatter Materials, LLC Dba D.c. Materials | Hyattsville | MD | — | ◐ LIKELY ACTIVE |
| SRStrong Ready Mix | Abilene | TX | 20–99 | ◐ LIKELY ACTIVE |
| SMStuart M Perry Incorporated-limestone | Winchester | VA | — | ◐ LIKELY ACTIVE |
| SWS.t. Wooten CORP | New Bern | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation | Moncure | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation Benson | Benson | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Cherry Point - Plant 207 | Havelock | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation Drug Store Plt | Garner | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Haw River Asphalt | Haw River | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation - Plant No 3 | Wilsons Mills | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Plt 15 Greenville | Greenville | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation-princeton | Princeton | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Sanford Asphalt Plant | Sanford | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation Sims Asphalt | Sims | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Weldon Asphalt Plant | Weldon | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation - Winterville | Winterville | NC | — | ◐ LIKELY ACTIVE |
| STS. T. Wooten Corporation - Youngsville Asphalt Plant # 206 | Franklinton | NC | — | ◐ LIKELY ACTIVE |
| SCSullivan County Highway Department | Blountville | TN | — | ◐ LIKELY ACTIVE |
| SCSummers Concrete Contracting, INC. Plant 450 | Kinston | NC | — | ◐ LIKELY ACTIVE |
| SISummers-taylor INC | Greeneville | TN | — | ◐ LIKELY ACTIVE |
| SISummers-taylor, INC. | Elizabethton | TN | — | ◐ LIKELY ACTIVE |
| SMSummers-taylor Materials Company Dba Rogersville Concrete Plant | Rogersville | TN | — | ◐ LIKELY ACTIVE |
| SMSummers-taylor Materials Company Dba Summers Taylor Materials Asphalt Plant #5 | Blountville | TN | — | ◐ LIKELY ACTIVE |
| SMSummers-taylor Materials Company -rogersville Concrete Plant 2 | Rogersville | TN | — | ◐ LIKELY ACTIVE |
| SESuncor Energy - Fruita Terminal | Fruita | CO | — | ◐ LIKELY ACTIVE |
| SGSun Gro Horticulture Processing, INC. | Pine Bluff | AR | — | ◐ LIKELY ACTIVE |
| SCSunmount Corporation | Talladega | AL | — | ◐ LIKELY ACTIVE |
| SISunrock Industries LLC - Burlington North | Burlington (caswell,nc) | NC | — | ◐ LIKELY ACTIVE |
| SISunrock Industries LLC - Butner Asphalt | Butner | NC | — | ◐ LIKELY ACTIVE |
| SISunrock Industries LLC - Prospect Hill Rmc and Distribution | Prospect Hill | NC | — | ◐ LIKELY ACTIVE |
| SSSunset Stone | Castle Rock | CO | 20–99 | ◐ LIKELY ACTIVE |
| SASuperior Asphalt INC | Jackson | MS | — | ◐ LIKELY ACTIVE |
| SASuperior Asphalt Paving INC | Woodhull | IL | — | ◐ LIKELY ACTIVE |
| SGSuperior Granite, INC | Pensacola | FL | — | ◐ LIKELY ACTIVE |
| SPSuperior Paving CORP - Lynchburg Asphalt Plant | Lynchburg | VA | — | ◐ LIKELY ACTIVE |
| SPSuperior Paving Corporation - Centreville Plant | Centreville | VA | — | ◐ LIKELY ACTIVE |
| SPSuperior Paving Corporation - Culpeper Plant | Culpeper | VA | — | ◐ LIKELY ACTIVE |
| SPSuperior Paving Corporation - Spotsylvania Plant | Fredericksburg | VA | — | ◐ LIKELY ACTIVE |
| SPSuperior Paving CORP - Salem Asphalt Plant | Salem | VA | — | ◐ LIKELY ACTIVE |