| CCChesterfield County Clay Pit | Chesterfield | — | ◇ UNVERIFIED |
| CVChilds Vault Company | Anderson | — | ◇ UNVERIFIED |
| CLC L Benton & Sons INC | Myrtle Beach | — | ◇ UNVERIFIED |
| CCCoastal Concrete | Johns Island | — | ◇ UNVERIFIED |
| CCCoastal Concrete:columbia | Columbia | — | ◇ UNVERIFIED |
| CCCoastal Concrete Myrtle Beach | Conway | — | ◇ UNVERIFIED |
| CTColleton Tile & Concrete Company INC | Walterboro | — | ◇ UNVERIFIED |
| CCColumbia County Concrete CO INC | Williston | — | ◇ UNVERIFIED |
| CSConcrete Supply CO - Aiken Plant | Aiken | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC | Columbia | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Aviation Avenue | North Charleston | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Batesburg | Batesburg | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Calks Ferry | Lexington | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Cemco Portable Plant | Jonesville | — | ◇ UNVERIFIED |
| CSConcrete Supply Co., LLC - Charleston | North Charleston | — | ◇ UNVERIFIED |
| CSConcrete Supply Co., LLC - Clements Ferry | Charleston | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Conway | Fort Mill | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Dillion | Dillon | — | ◇ UNVERIFIED |
| CSConcrete Supply Co., LLC - Georgetown | Sumter | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC Johnsonville Spare | Florence | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Landrum | Landrum | — | ◇ UNVERIFIED |
| CSConcrete Supply Co., LLC - Lexington Industrial | Lexington | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Manning Plant | Manning | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Orangeburg 2 | Bolen Town | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Pageland | Pageland | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Rabon Road | Columbia | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Spartan Ent Temp | Spartanburg | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC Sumter Plant | Sumter | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Taylor Street | Columbia | — | ◇ UNVERIFIED |
| CSConcrete Supply CO LLC - Timmonsville | Timmonsville | — | ◇ UNVERIFIED |
| CSConcrete Supply CO Rock Hill | Rock Hill | — | ◇ UNVERIFIED |
| CSConcrete Supply CO - St. George | Moncks Corner | — | ◇ UNVERIFIED |
| CCCornerstone Concrete - Edgefield Plant | North Augusta | — | ◇ UNVERIFIED |
| CSCrete Solutions LLC - Rock Hill Plant 13 | Rock Hill | — | ◇ UNVERIFIED |
| DODawkins On-site Concrete LLC - Dos Portable #33 | Ridgeville | — | ◇ UNVERIFIED |
| DODawkins On-site LLC Glasscock Lafayette | Sumter | — | ◇ UNVERIFIED |
| DODawkins On-site LLC - Plant Dc#337 | Charlotte | — | ◇ UNVERIFIED |
| DODawkins On-site LLC - Riverport | Hardeeville | — | ◇ UNVERIFIED |
| FRFords Redi Mix Charleston | Charleston | — | ◇ UNVERIFIED |
| FRFords Redi Mix Concrete | Ladson | — | ◇ UNVERIFIED |
| GRGlasscock Ready Mix Concrete LLC - Divine St Cemco | Sumter | — | ◇ UNVERIFIED |
| GFGuardian Fiberglass INC | Winnsboro | — | ◇ UNVERIFIED |
| HBHanson Brick East LLC | Blacksburg | — | ◇ UNVERIFIED |
| HCHardaway Concrete CO INC Plt 10 | Irmo | — | ◇ UNVERIFIED |
| HCHardaway Concrete Company Columbia Plant #2 | Columbia | — | ◇ UNVERIFIED |
| HCHardaway Concrete Company - Powdersville | Powdersville | — | ◇ UNVERIFIED |
| HCHardaway Concrete Company - Simpsonville | West Columbia | — | ◇ UNVERIFIED |
| HPHi-way Paving Carolina Bay Parkway Batch 4409 | Nashville | — | ◇ UNVERIFIED |
| HCHydro Conduit LLC | Aynor | — | ◇ UNVERIFIED |
| IMIndustrial Minerals | Kings Creek | — | ◇ UNVERIFIED |
