| SCSaxonburg Ceramics Incorporated | Monroe | — | ◇ UNVERIFIED |
| SIS&b Industrial Minerals North America, INC. | Morganton | — | ◇ UNVERIFIED |
| SGS & G Prestress Company | Wilmington | — | ◇ 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 | Charlotte | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials | Hendersonville | — | ◇ UNVERIFIED |
| SCSouthern Concrete Materials INC - Canton | Canton | — | ◇ 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 Mat-hayesvil | Hayesville | — | ◇ UNVERIFIED |
| SCSouthern Concrete Mat-macon | Franklin | — | ◇ UNVERIFIED |
| SCSouthern Concrete Mat-yancey | Burnsville | — | ◇ UNVERIFIED |
| SCSouthern Concrete - Old Concord Road | Charlotte | — | ◇ UNVERIFIED |
| SESouthern Equip Co., INC. Dba Ready Mixed Concrete CO. #25 | Rougemont | — | ◇ UNVERIFIED |
| SESouthern Equipment CO. D.b.a. Ready Mixed Concrete CO. | Wake Forest | — | ◇ UNVERIFIED |
| SESouthern Equipment CO (dba Rmcc) - Hillsborough - Plant #53 | Hillsborough | — | ◇ UNVERIFIED |
| SESouthern Equipment CO (dba Rmcc) - Knightdale - Plant #1 | Knightdale | — | ◇ UNVERIFIED |
| SESouthern Equipment CO - Durham Concrete Plant 14 | Durham | — | ◇ UNVERIFIED |
| SCSouthport Concrete CORP | Southport | — | ◇ UNVERIFIED |
| SMStandard Mineral Company Incorporated | Robbins | — | ◇ 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 |
| SRS&w Ready Mix Concrete CO. - Clinton Plant | Clinton | — | ◇ UNVERIFIED |
| SWS & W Ready Mix Concrete CO. - Goldsboro | Goldsboro | — | ◇ UNVERIFIED |
| SWS & W Ready Mix Concrete CO - St Helena | Burgaw | — | ◇ UNVERIFIED |
| SWS & W Ready Mix Concrete CO - Warsaw | Warsaw | — | ◇ UNVERIFIED |
| SWS & W Ready Mix Concrete - New Bern | New Bern | — | ◇ UNVERIFIED |
| SWS & W Ready Mix Concrete-samps | Newton Grove | — | ◇ UNVERIFIED |
| TPTaylorsville Precast Molds INC | Taylorsville | — | ◇ UNVERIFIED |
| TCThomas Concrete - Monroe Plant | Monroe | — | ◇ UNVERIFIED |
| TCThomas Concrete of Carolina, INC. - Airport Plant | Charlotte | — | ◇ UNVERIFIED |
| TCThomas Concrete of Carolina, INC. - Harrisburg Plant | Harrisburg | — | ◇ UNVERIFIED |
| TCThomas Concrete of Carolina Inc-west Street Plant | Raleigh | — | ◇ UNVERIFIED |
| TCThomas Concrete of Carolina - Wake Fores | Wake Forest | — | ◇ UNVERIFIED |
| TSTnt Services INC | Kitty Hawk | — | ◇ UNVERIFIED |
| UCUnicon Concrete Incorporated | High Point | — | ◇ UNVERIFIED |
| UCUnicon Concrete Incorporated Plant Number 6 | Durham | — | ◇ UNVERIFIED |
| USUnique Stone, INC. | Rockingham | — | ◇ UNVERIFIED |