| Business | Phone |
| Environment Associates Inc 9604 Variel Ave, Chatsworth 91311 | (818) 709-0568 |
| Environmental Equipment Sales 9618 Variel Ave, Chatsworth 91311 | (818) 998-0653 |
| Pentadyne Power Corp 20750 Lassen St, Chatsworth 91311 | (818) 350-0370 |
| St Ives Laboratories Inc 9120 Mason Ave, Chatsworth 91311 | (818) 349-8693 |