| Business | Phone |
| Lash Engineering 1226 Mann Dr # 100, Matthews 28105 | (704) 847-3031 |
| Leigh Consulting Svc 12238 Hickory Knoll Ct, Matthews 28105 | (704) 847-3346 |
| Dickinson & Assoc 608 Matthews Mint Hill Rd # G, Matthews 28105 | (704) 847-4040 |
| Engineering Consulting Svc 2544 Plantation Center Dr, Matthews 28105 | (704) 841-9332 |