| Business | Phone |
| Shelton Y Adock 4601 Lake Boone Trl, Raleigh 27607 | (919) 781-6058 |
| Clp Svc Pc 900 S Wilmington St, Raleigh 27601 | (919) 833-9502 |
| Spaulding & Norris 972 Trinity Rd, Raleigh 27607 | (919) 854-7990 |
| So-Deep Uspc 4650 Paragon Park Rd, Raleigh 27616 | (919) 878-7466 |
| Southern Engineers 3716 Benson Dr, Raleigh 27609 | (919) 878-1617 |
| Service Solutions Global 7330 Chapel Hill Rd # 240, Raleigh 27607 | (919) 233-3511 |
| Moffatt & Nichol Engineers 1616 E Millbrook Rd # 160, Raleigh 27609 | (919) 781-4626 |