| Business | Phone |
| Environmental Sampling Pro Inc 3541 Old Conejo Rd, Newbury Park 91320 | (805) 376-1185 |
| Esp Air North America 3541 Old Conejo Rd # 112, Newbury Park 91320 | (805) 375-6466 |
| Horizon Air Measurement Svc 996 Lawrence Dr # 108, Newbury Park 91320 | (805) 498-8781 |
| Odor Management Inc 2393 Teller Rd, Newbury Park 91320 | (805) 376-6055 |
| Regenesis Newbury Park 91320 | (805) 375-0961 |