| Business | Phone |
| Allard Miller & Assoc 15402 W Sage St # 201, Victorville 92392 | (760) 962-1105 |
| Arrow Engineering Victorville 92395 | (760) 245-8000 |
| Fred Sheu Structural 14359 Amargosa Rd, Victorville 92392 | (760) 955-2399 |
| Joseph E Bonadiman & Assoc Inc Victorville 92392 | (760) 955-1170 |
| Kleinfelder 18374 Readiness St, Victorville 92394 | (760) 530-0825 |
| Merrell-Johnson Engineering 12138 Industrial Blvd # 240, Victorville 92395 | (760) 241-6146 |
| Ludwig Engineering 15208 7th St, Victorville 92395 | (760) 951-7676 |
| S C Engineering 14318 California Ave # 104, Victorville 92392 | (760) 955-7712 |
| Vvce Inc 14297 Cajon Ave # 101, Victorville 92392 | (760) 241-0595 |