| Business | Phone |
| Eff West 8100 Balboa Blvd, Van Nuys 91406 | (818) 786-2373 |
| E A Environmental 7839 Amestoy Ave, Van Nuys 91406 | (818) 708-1418 |
| Mehs Consulting 7100 Hayvenhurst Ave, Van Nuys 91406 | (818) 618-1096 |
| Environmental Comfort System 6803 Cedros Ave, Van Nuys 91405 | (818) 373-7979 |