| Business | Phone |
| Donald F Dickerson Assoc 6840 Hayvenhurst Ave # 2, Van Nuys 91406 | (818) 385-3600 |
| Miles Engineering 7136 Haskell Ave # 323, Van Nuys 91406 | (818) 994-6278 |
| Process Analysis Inc 16340 Roscoe Blvd # 200, Van Nuys 91406 | (818) 830-4862 |
| Infoquest Network Van Nuys 91405 | (818) 981-4600 |
| Khiaban Jones Engineers 14541 Delano St, Van Nuys 91411 | (818) 786-7878 |