| KPKnights Precast INC | Summerville | — | ◐ LIKELY ACTIVE |
| KRKnights Redi Mix Moncks Corner Plant 1 | Moncks Corner | — | ◐ LIKELY ACTIVE |
| KMKrm Midlands, Llc-plant 3 | Columbia | — | ◐ LIKELY ACTIVE |
| LPLongleaf Packaging | Holly Hill | — | ◐ LIKELY ACTIVE |
| LPLongleaf Packging | Vance | — | ◐ LIKELY ACTIVE |
| MPMaclean Power Systems York | York | — | ◐ LIKELY ACTIVE |
| MAMarathon Abrasive Company INC | Chester | — | ◐ LIKELY ACTIVE |
| MMMetromont Materials CORP Holly Hill | Holly Hill | — | ◐ LIKELY ACTIVE |
Mississippi Lime Company - Chester Plant | Chester | — | ◐ LIKELY ACTIVE |
| OMOldcastle Matt Stone Holdings Incorporated | Cowpens | — | ◐ LIKELY ACTIVE |
| OIOuzts-wilbert INC | Florence | — | ◐ LIKELY ACTIVE |
| PMParthenon Marble Products INC | Greenville | — | ◐ LIKELY ACTIVE |
| PCPiedmont Concrete Products Incorporated Duncan | Duncan | — | ◐ LIKELY ACTIVE |
| QBQuikrete - Bowman, Sc Plant | Bowman | — | ◐ LIKELY ACTIVE |
| QCQuikrete - Carolina Plant | West Columbia | — | ◐ LIKELY ACTIVE |
| RCRinker Columbia Pipe | Columbia | — | ◐ LIKELY ACTIVE |
| RMRinker Myrtle Beach Pipe | Aynor | — | ◐ LIKELY ACTIVE |
| SCSouth Carolina Prestress CORP | Florence | — | ◐ LIKELY ACTIVE |
| SLSrm Little River Plant | Little River | — | ◐ LIKELY ACTIVE |
| SCSummers Concrete Contracting INC | Valdosta | — | ◐ LIKELY ACTIVE |
| SLS&w Little River Plant | Little River | — | ◐ LIKELY ACTIVE |
| SCSws Concrete-clover Plant | Clover | — | ◐ LIKELY ACTIVE |
| SCSws Concrete-richburg Plant | Richburg | — | ◐ LIKELY ACTIVE |
| SCSws Concrete-rock Hill Plant | Rock Hill | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete | Fort Mill | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete of South Carolina INC Summerville | Summerville | — | ◐ LIKELY ACTIVE |
| USU S Silica - Columbia Plant | West Columbia | — | ◐ LIKELY ACTIVE |
| VSVan Smith Concrete:#5 | Goose Creek | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Material Limited Partnership Pacolet Quarry | Pacolet | — | ◐ LIKELY ACTIVE |
| ACAmerican Concrete INC. | Aiken | — | ◇ UNVERIFIED |
| AAApac Atlantic INC Myrtle Beach Plt #603 | Myrtle Beach | — | ◇ UNVERIFIED |
| ACApac Carolina INC Winyah Plant #617 | Murrells Inlet | — | ◇ UNVERIFIED |
| AJArgos Jackson Sc Concrete Plant | Jackson | — | ◇ UNVERIFIED |
| AUArgos USA LLC - Ne Columbia Concrete Plt | Columbia | — | ◇ UNVERIFIED |
| ARAugusta Ready Mix INC | Johnston | — | ◇ UNVERIFIED |
| ARAugusta Ready Mix - Plant 6 | Aiken | — | ◇ UNVERIFIED |
| BRBenton Ready Mix INC | Myrtle Beach | — | ◇ UNVERIFIED |
| BBluffton #344 | Bluffton | — | ◇ UNVERIFIED |
| BZBlythe Zachry Jv - Batch Plant 2 | Gaffney | — | ◇ UNVERIFIED |
| BBBoral Bricks Inc:lexington | Lexington | — | ◇ UNVERIFIED |
| BBBoral Bricks:van Wyck | Van Wyck | — | ◇ UNVERIFIED |
| BDBurgess Do It Center Sumter | Sumter | — | ◇ UNVERIFIED |
| CCCapital Concrete CO Elgin | Elgin | — | ◇ UNVERIFIED |
| CCCapital Concrete CO Gaston | Gaston | — | ◇ UNVERIFIED |
| CCCapital Concrete CO Lexington | Lexington | — | ◇ UNVERIFIED |
| CCCarolina Concrete CO INC | Gray Court | — | ◇ UNVERIFIED |
| CCCemex Construction Materials Atlantic | Blacksburg | — | ◇ UNVERIFIED |
| CCCentury Concrete of the Carolinas INC | Greer | — | ◇ UNVERIFIED |
| CCChapman Concrete Plant Number 5 | Gaffney | — | ◇ UNVERIFIED |
| CCChapman Concrete Products Incorporated | Spartanburg | — | ◇ UNVERIFIED |