| Business | Phone |
| Jesse Cook General Engineering 7807 Zombar Ave, Van Nuys 91406 | (818) 908-2690 |
| Land Tech Engineering 7949 Woodley Ave, Van Nuys 91406 | (818) 375-5057 |
| Omega Engineering 7955 Haskell Ave, Van Nuys 91406 | (818) 902-9303 |
| Pacs Engineering 6747 Odessa Ave, Van Nuys 91406 | (818) 994-9087 |
| S P Pazargad Engnrng Constr 7120 Hayvenhurst Ave # 108, Van Nuys 91406 | (818) 901-8883 |
| Helou Engineering 6257 Van Nuys Blvd # 101, Van Nuys 91401 | (818) 779-0667 |