| Business | Phone |
| Baker Petrolite 25401 Cabot Rd # 205, Laguna Hills 92653 | (949) 951-4829 |
| Atofina Metalprep Dept 25255 Cabot Rd, Laguna Hills 92653 | (949) 588-1106 |
| Korea Kuhmo Petro Chem Co 23276 S Pointe Dr # 204, Laguna Hills 92653 | (949) 707-0025 |
| Mitsubishi Chemical America Laguna Hills 92653 | (949) 586-9418 |
| Tavco 25401 Cabot Rd # 121, Laguna Hills 92653 | (949) 770-7666 |