| Business | Phone |
| C E Martin Engineers & Assoc 2438 Kingman Ave, Kingman 86401 | (928) 692-6670 |
| Ca Technical Svc 701 N Stockton Hill Rd, Kingman 86401 | (928) 718-2778 |
| Mohave Engineering Assoc Inc 2202 N Stockton Hill Rd # A, Kingman 86401 | (928) 753-2627 |
| C E Martin Engineers & Assoc 4390 N Arizona St # M, Kingman 86401 | (928) 692-6670 |