| CICorning Incorporated- Midland | Midland | — | ◐ LIKELY ACTIVE |
| UPUtility Precast, INC. | Concord | 20–99 | ◐ LIKELY ACTIVE |
| CSConcrete Supply Company, LLC - Concord | Concord | — | ◐ LIKELY ACTIVE |
| OPOldcastle Precast INC - Concord | Concord | — | ◇ UNVERIFIED |
| BDBlue Dot Readi-mix, LLC - Harrisburg | Harrisburg | — | ◐ LIKELY ACTIVE |
| CPConcrete Pipe & Precast-concord | Concord | — | ◐ LIKELY ACTIVE |
| JCJohnson Concrete Company | Concord | — | ◐ LIKELY ACTIVE |
| BBluedot-readi-mix-harrisburg (plant #102) | Harrisburg | — | ◇ UNVERIFIED |
| HCHydro Conduit Corporation | Harrisburg | — | ◇ UNVERIFIED |
| MBMcgee Brothers Company Incorporated | Midland | — | ◇ UNVERIFIED |
| MMMetromont Materials Corporation - Concord Plt | Concord | — | ◇ UNVERIFIED |
| RCRinker Charlotte Pipe | Concord | — | ◇ UNVERIFIED |
| SCSws Concrete-bonds Plant | Concord | — | ◇ UNVERIFIED |
| SCSws Concrete-concord Plant | Concord | — | ◇ UNVERIFIED |
| TCThomas Concrete | Concord | — | ◇ UNVERIFIED |
| TCThomas Concrete of Carolina, INC. - Harrisburg Plant | Harrisburg | — | ◇ UNVERIFIED |
| 1C140 - Concord | Concord | 20–99 | ◐ LIKELY ACTIVE |
| CRCLTCP Rinker Materials | Harrrisburg | 20–99 | ◐ LIKELY ACTIVE |
| COCorning Optical Communications (COC) : Concord, NC | Midland | 500+ | ◐ LIKELY ACTIVE |
| CCCP&P Concord | Concord | 20–99 | ◐ LIKELY ACTIVE |
| JCJohnson Concrete Co - Piedmont Divison | Concord | 20–99 | ◐ LIKELY ACTIVE |
| SCSEK Corporation / NC Remote | Charlotte | 1–19 | ◐ LIKELY ACTIVE |
| MVMlm Ventures, INC. | Midland | — | ◇ UNVERIFIED |
| ASArtisan Stone Works, INC. | Concord | — | ◇ UNVERIFIED |
| CGCadenza Granite - Marble, INC. | Concord | — | ◇ UNVERIFIED |
| DCDuramix Concrete Inc. | Midland | — | ◇ UNVERIFIED |
| EEEts Express, INC. | Concord | — | ◇ UNVERIFIED |
| TCThomas Concrete of Carolina, INC. | Concord | — | ◇ UNVERIFIED |
