| SLSolenis, LLC | Wilmington | DE | — | ◐ LIKELY ACTIVE |
| SCSoto Concrete | Sun Valley | CA | — | ◐ LIKELY ACTIVE |
| SASouth Alabama Concrete | Troy | AL | — | ◐ LIKELY ACTIVE |
| SCSoutheastern Concrete Company Inc, Plant Number 5 | Hattiesburg | MS | — | ◐ LIKELY ACTIVE |
| SCSouthern Concrete Products INC | Murray | KY | — | ◐ LIKELY ACTIVE |
| SCSouthern Concrete Products of Lexington | Lexington | TN | 1–19 | ◐ LIKELY ACTIVE |
| SCSouthern Concrete Products of Paris | Paris | TN | 20–99 | ◐ LIKELY ACTIVE |
| SISouthland International Trucks | Huntsville | AL | — | ◐ LIKELY ACTIVE |
| SRSouthland Ready Mix Inc, Blue Mountain Facility | Blue Mountain | MS | — | ◐ LIKELY ACTIVE |
| SRSouthland Ready Mix Inc, Corinth Facility | Corinth | MS | — | ◐ LIKELY ACTIVE |
| SCSouthside Concrete Supply LLC | Blairs | VA | — | ◐ LIKELY ACTIVE |
| SCSrm - Charleston #706 | Johns Island | SC | — | ◐ LIKELY ACTIVE |
| SCSrm Concrete - Chester | Chesterfield | VA | — | ◐ LIKELY ACTIVE |
| SCSrm Concrete-dinwiddie | Petersburg | VA | — | ◐ LIKELY ACTIVE |
| SGSrm - Goose Creek #707 | Goose Creek | SC | — | ◐ LIKELY ACTIVE |
| SRStar Ranch Enterprises INC - Section 2 Farm | South Bay | FL | — | ◐ LIKELY ACTIVE |
| SRState Ready Mix - a Calportland Company | Oxnard | CA | 20–99 | ◐ LIKELY ACTIVE |
| SCStavola Construction Materials INC | Bridgewater | NJ | — | ◐ LIKELY ACTIVE |
| SCStone & CO INC Canonsburg Plt | Canonsburg | PA | — | ◐ LIKELY ACTIVE |
| SMStrittmatter Materials, LLC Dba D.c. Materials | Hyattsville | MD | — | ◐ LIKELY ACTIVE |
| SRStrong Ready Mix | Abilene | TX | 20–99 | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation - Plant No 3 | Wilsons Mills | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation - Winterville | Winterville | NC | — | ◐ LIKELY ACTIVE |
| SCSummers Concrete Contracting, INC. Plant 450 | Kinston | NC | — | ◐ LIKELY ACTIVE |
| SISunoco INC Eagle Point Refinery | Westville | NJ | — | ◐ LIKELY ACTIVE |
| SISunoco INC (r&m) Eagle Point Facility | Westville | NJ | — | ◐ LIKELY ACTIVE |
| SPSuperior Paving Corporation - Centreville Plant | Centreville | VA | — | ◐ LIKELY ACTIVE |
| SRSuperior Ready Mix Incorporated | Lebanon | MO | — | ◐ LIKELY ACTIVE |
| TITampa International Airport Concrete Batch Plant | Tampa | FL | — | ◐ LIKELY ACTIVE |
| TMTcc Materials | Bow | NH | — | ◐ LIKELY ACTIVE |
| TMTcs Materials LLC – Magnolia Suffolk | Suffolk | VA | — | ◐ LIKELY ACTIVE |
| TMTcs Materials Llc/vulcan Materials CO - Chesapeake | Chesapeake | VA | — | ◐ LIKELY ACTIVE |
| TMTcs Materials - Williamsburg | Williamsburg | VA | — | ◐ LIKELY ACTIVE |
| TRTerminal Ready Mix INC | Lorain | OH | — | ◐ LIKELY ACTIVE |
| TBTesoro - Barbers Point Marine Loading | Kapolei | HI | — | ◐ LIKELY ACTIVE |
| TLTesoro Logistics Operations Dig Site #8 | Salt Lake City | UT | — | ◐ LIKELY ACTIVE |
| TLTesoro Los Angeles Refinery and Sulfur Recovery Plant - Wilmington | Carson | CA | — | ◐ LIKELY ACTIVE |
| TRTesoro Refining and Marketing Co., LLC - Los Angeles Refinery | Wilmington | CA | — | ◐ LIKELY ACTIVE |
| TRTesoro Refining & Marketing - Carson Refinery | Carson | CA | — | ◐ LIKELY ACTIVE |
| TITexas Industries | Dallas | TX | 1–19 | ◐ LIKELY ACTIVE |
| TRThayer Redi Mix | Thayer | MO | — | ◐ LIKELY ACTIVE |
| TSThe San Antonio Refinery | San Antonio | TX | — | ◐ LIKELY ACTIVE |
| TSThe San Antonio Refinery LLC | San Antonio | TX | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | West Liberty | KY | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | Flemingsburg | KY | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | Vanceburg | KY | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | Wurtland | KY | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | Norton | VA | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC - Concrete Supplier | Ashland | KY | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete Bartow Plant #2400 | Cartersville | GA | — | ◐ LIKELY ACTIVE |