| CSConcrete Supply CO Llc-moncks Corner | Moncks Corner | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply Co., LLC - North Charleston | Charleston | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC - Piedmont | Piedmont | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC - Rock Hill | Rock Hill | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC - Shaw Plant | Sumter | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC South Myrtle Beach Plt | Myrtle Beach | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC Summerville | Summerville | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC West Columbia | West Columbia | — | ◐ LIKELY ACTIVE |
| HBHanson Brick Columbia Plant | Columbia | — | ◐ LIKELY ACTIVE |
| HCHardaway Concrete CO - Lexington | Lexington | — | ◐ LIKELY ACTIVE |
| KRKnight's Redi-mix (jedburg Facility) | Summerville | 100–499 | ◐ LIKELY ACTIVE |
| KSKrm South, LLC - Plant 17 | Beaufort | — | ◐ LIKELY ACTIVE |
| MRMetromont:clemson Ready-mix Plant | Seneca | — | ◐ LIKELY ACTIVE |
| MPMetromont Paris Mountain | Greenville | — | ◐ LIKELY ACTIVE |
| MCMorgan Concrete Company | Westminster | — | ◐ LIKELY ACTIVE |
| SGSaint Gobain Abrasives | Travelers Rest | — | ◐ LIKELY ACTIVE |
| SCSantee Cooper Winyah Generating Station | Georgetown | — | ◐ LIKELY ACTIVE |
| SCSupreme Cores Holdings LLC | Lancaster | — | ◐ LIKELY ACTIVE |
| SMS&w Murrells Inlet | Murrells Inlet | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete Anderson | Anderson | — | ◐ LIKELY ACTIVE |
| AUArgos USA LLC Columbia Concrete Plant | Columbia | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC Spartanburg | Spartanburg | — | ◇ UNVERIFIED |
| WRWestlake Royal Stone LLC | Chester | — | ◇ UNVERIFIED |
| AEAac East LLC | Bennettsville | 20–99 | ◐ LIKELY ACTIVE |
| SRSantee Redi Mix | Moncks Corner | 20–99 | ◐ LIKELY ACTIVE |
| 6F69484 - Florence Concrete Products INC | Florence | 100–499 | ◐ LIKELY ACTIVE |
| 7G70385 - Gossett Concrete Pipe Company INC | Taylors | 20–99 | ◐ LIKELY ACTIVE |
| HCHaydale Ceramic Technologies, LLC | Greer | 1–19 | ◐ LIKELY ACTIVE |
| MIMetrocon INC | Central | 20–99 | ◇ UNVERIFIED |
| PDPee Dee Ready Mix | Effingham | 20–99 | ◇ UNVERIFIED |
| SPSc Prestress Lakecity | Lake City | 20–99 | ◇ UNVERIFIED |
| VUVesuvius USA Corporation | Dillon | — | ◇ UNVERIFIED |
| WSWarden & Smith INC Cheraw | Cheraw | 1–19 | ◇ UNVERIFIED |
| 7E70541 - Eurokera North America INC | Fountain Inn | 100–499 | ◐ LIKELY ACTIVE |
| ACArrow Concrete Company - Beaufort | Beaufort | — | ◐ LIKELY ACTIVE |
| BSBrdm Sandlapper Concrete Llc-duncan | Duncan | — | ◐ LIKELY ACTIVE |
| CQCAE Quikrete | West Columbia | 20–99 | ◐ LIKELY ACTIVE |
| CLC L Benton Sea Mist Mine | Myrtle Beach | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC - Bennettsville | Bennettsville | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC - Cheraw | Cheraw | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC - Clemson | Seneca | — | ◐ LIKELY ACTIVE |
| CSConcrete Supply CO LLC - Lexington | Lexington | — | ◐ LIKELY ACTIVE |
| DODawkins On-site Concrete LLC - Plant Dc#350 | Sumter | — | ◐ LIKELY ACTIVE |
| EREvans Ready Mix | Florence | — | ◐ LIKELY ACTIVE |
| FCFlorence Concrete Products, Inc. Sumter Plant | Sumter | 20–99 | ◐ LIKELY ACTIVE |
| GSGeneral Shale Brick, INC. Plant 14 Dba Watsontown Brick | Columbia | — | ◐ LIKELY ACTIVE |
| GRGlasscock Ready Mix Concrete LLC - Central Mix Broad Street | Sumter | — | ◐ LIKELY ACTIVE |
| HAHanson Aggregates Southeast LLC | Taylors | — | ◐ LIKELY ACTIVE |
| JCJ&s Concrete Number 2 New | Lancaster | — | ◐ LIKELY ACTIVE |
| KMKrm Midlands LLC - Sumter Plant 14 | Sumter | — | ◐ LIKELY ACTIVE |