| RMReady Mixed Concrete - Plant No 6 -laurinburg | Laurinburg | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Plant Number 3 - Spring Lake | Spring Lake | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Roanoke Rapids | Roanoke Rapids | — | ◇ UNVERIFIED |
| RMReady Mixed Concrete - Sanford Plant 7 | Sanford | — | ◇ UNVERIFIED |
| RRReames Rd Concrete Plant | Charlotte | — | ◇ UNVERIFIED |
| RGRenaissance Glass INC | Alexander | — | ◇ UNVERIFIED |
| RHR H Loven Co, INC. | Boone | — | ◇ UNVERIFIED |
| RCRinker Charlotte Pipe | Concord | — | ◇ UNVERIFIED |
| RWRinker Wilson Pipe | Wilson | — | ◇ UNVERIFIED |
| R1Rmq 1 and 2 | Rocky Mount | — | ◇ UNVERIFIED |
| RCRoanoke Chowan Ready Mix | Ahoskie | — | ◇ UNVERIFIED |
| RNRoxboro - Nc Rmc | Roxboro | — | ◇ UNVERIFIED |
| SCSaxonburg Ceramics Incorporated | Monroe | — | ◇ UNVERIFIED |
| SIS&b Industrial Minerals North America, INC. | Morganton | — | ◇ UNVERIFIED |
| SGS & G Prestress Company | Wilmington | — | ◇ UNVERIFIED |
| SPShoaf Precast Septic Tank, INC. | Lexington | — | ◇ UNVERIFIED |
| SCSmith - Carolina Corporation | Reidsville | — | ◇ UNVERIFIED |
| SCSoutheastern Concrete of Lumberton, Incorporated | Lumberton | — | ◇ UNVERIFIED |
| SCSoutheastern Concrete Products of Fayettevill | Fayetteville | — | ◇ UNVERIFIED |
| SCSoutheastern Concrete Products of N.c. L | Statesville | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials | Hendersonville | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials | Charlotte | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials-andrews Plant | Andrews | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials-charlotte South Plant | Charlotte | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials-hendersonville Plant | Hendersonville | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials INC - Canton | Canton | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials, INC. - Franklin | Franklin | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials, INC. - Mills River | Mills River | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials, INC. - Murphy Pl | Murphy | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials, INC. - Naples Terminal | Naples | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials, INC. - South Franklin Plant | Franklin | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials-lake Norman Plant | Stanley | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials-salisbury Plant | Salisbury | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials - Sherrills Ford | Sherrills Ford | — | ◇ UNVERIFIED |
| SCSouthern Concrete Mat-hayesvil | Hayesville | — | ◇ UNVERIFIED |
| SCSouthern Concrete - Old Concord Road | Charlotte | — | ◇ UNVERIFIED |
| SESouthern Equipment CO (dba Rmcc) - Knightdale - Plant #1 | Knightdale | — | ◇ UNVERIFIED |
| SRSouthern Rm LLC - Goldsboro | Goldsboro | — | ◇ UNVERIFIED |
| SCSouthport Concrete Corporation | Southport | — | ◇ UNVERIFIED |
| SCSpeer Concrete, INC. | Carthage | — | ◇ UNVERIFIED |
| SPStay-right Precast Concrete, Incorporated | Franklinton | — | ◇ UNVERIFIED |
| STS T Wooten Corporation | Garner | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Beaufort | Beaufort | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Goldsboro | Goldsboro | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Hubert | Hubert | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation, Plant 7 | Raleigh | — | ◇ UNVERIFIED |
| STS. T. Wooten Corporation - Plant 9 | Raleigh | — | ◇ UNVERIFIED |
| STS T Wooten CORP Plant 8 | Raleigh | — | ◇ UNVERIFIED |
| STS. T. Wooten Plant 5 - Banks Rd | Fuquay Varina | — | ◇ UNVERIFIED |
| SKS&w Kinston Plant | Kinston | — | ◇ UNVERIFIED |