| QGQuality Glass Fabrication Inc. | Manning | 20–99 | ◐ LIKELY ACTIVE |
| RPRichburg Plant | Richburg | 20–99 | ◐ LIKELY ACTIVE |
| RRidgeway | Ridgeway | 20–99 | ◐ LIKELY ACTIVE |
| SCSEK Corporation / Rodgers | Piedmont | 1–19 | ◐ LIKELY ACTIVE |
| SPSOPAKCO - Packaging | Mullins | 100–499 | ◐ LIKELY ACTIVE |
| SCSouth Carolina Ladson 8351 Palmetto Commerce Parkway | Ladson | 20–99 | ◐ LIKELY ACTIVE |
| SCSouth Carolina Myrtle Beach 161 Gardner Lacy Rd | Myrtle Beach | 1–19 | ◐ LIKELY ACTIVE |
| SCSouth Carolina Piedmont 502 Matrix Pkwy | Piedmont | 1–19 | ◐ LIKELY ACTIVE |
| SCSouth Carolina West Columbia 302 Little Brooke Lane | West Columbia | 1–19 | ◐ LIKELY ACTIVE |
| SWSouthern Wall Products | Anderson | 1–19 | ◐ LIKELY ACTIVE |
| SSpartanburg | Spartanburg | 100–499 | ◐ LIKELY ACTIVE |
| SWStone Works INC. | Beaufort | 20–99 | ◐ LIKELY ACTIVE |
| TCTindall Corporation | Spartanburg | 20–99 | ◐ LIKELY ACTIVE |
| TCTindall Corporation - Infrastructures | Spartanburg | 100–499 | ◐ LIKELY ACTIVE |
| TCTindall Corporation - South Carolina Division | Spartanburg | 100–499 | ◐ LIKELY ACTIVE |
| UBUS Brick Columbia | Columbia | 20–99 | ◐ LIKELY ACTIVE |
| WBWatsontown Brick Columbia | Columbia | 20–99 | ◐ LIKELY ACTIVE |
| MBMyrtle Beach Granite and Marble INC | Myrtle Beach | — | ◇ UNVERIFIED |
| 4C404 Concrete LLC | Mount Pleasant | — | ◇ UNVERIFIED |
| ASAnatoliy Stone Products INC | Pendleton | — | ◇ UNVERIFIED |
| AFArgos Fort Mill Concrete Plant | Fort Mill | — | ◇ UNVERIFIED |
| ANArgos Ne Columbia Concrete Plant | Columbia | — | ◇ UNVERIFIED |
| ACAugusta Concrete Block | North Augusta | — | ◇ UNVERIFIED |
| ATAull Technology | Fort Mill | — | ◇ UNVERIFIED |
| BMBecker Minerals INC | Cheraw | — | ◇ UNVERIFIED |
| BRBluedot Ready Mix-duncan (plant #111) | Duncan | — | ◇ UNVERIFIED |
| BRBluedot Ready Mix-simpsonville (plant #110) | Simpsonville | — | ◇ UNVERIFIED |
| BBBoral Bricks Van Wyck Plant | Lancaster | — | ◇ UNVERIFIED |
| CECarolina Eastern INC | Columbia | — | ◇ UNVERIFIED |
| CRCarolina Ready Mix LLC Clover Plant | Clover | — | ◇ UNVERIFIED |
| CACharleston Architectural Glass | Charleston | — | ◇ UNVERIFIED |
| CCCharleston Concrete Company | Charleston | — | ◇ UNVERIFIED |
| CMCharleston Mill Service | Huger | — | ◇ UNVERIFIED |
| CMCharleston Mill Service | Huger | — | ◇ UNVERIFIED |
| CCCoastal Concrete Southeast Ii LLC | Charleston | — | ◇ UNVERIFIED |
| CPConcrete Products Company | Charleston | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Cemco Plant 915 | Ridgeville | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Georgetown | Georgetown | — | ◇ UNVERIFIED |
| CSConcrete Supply Co., LLC - Greer Portable | Greer | — | ◇ UNVERIFIED |
| CSConcrete Supply Co., LLC - Portable 913 Logistics | Gaffney | — | ◇ UNVERIFIED |
| CSConcrete Supply Co., LLC - St. George | Saint George | — | ◇ UNVERIFIED |
| CPCon-e-co Portable 913 | Florence | — | ◇ UNVERIFIED |
| CCCore Concrete LLC | Lexington | — | ◇ UNVERIFIED |
| DCDaltile Corporation | West Columbia | — | ◇ UNVERIFIED |
| DGDawkins - Giti Tire Portable Concrete Plant | Richburg | — | ◇ UNVERIFIED |
| DODawkins On-site Concrete LLC - Plant Dc#350 | Sumter | — | ◇ UNVERIFIED |
| DODawkins On-site Cross Portable Concrete Batch Plant | Pineville | — | ◇ UNVERIFIED |
| DODawkins On-site, LLC - Dillion Portable | Dillon | — | ◇ UNVERIFIED |
| DODawkins On-site., LLC - Walmart Portable | Ridgeville | — | ◇ UNVERIFIED |
| EMElite Marble and Granite of Bluffton LLC | Bluffton | — | ◇ UNVERIFIED |
