| Business | Phone |
| Christie Digital Systems 10550 Camden Dr, Cypress 90630 | (714) 236-8610 |
| Technics Factory Servicenter 6550 Katella Ave, Cypress 90630 | (714) 373-7426 |
| United Grinding Technology Inc 11095 Knott Ave # A, Cypress 90630 | (714) 890-9865 |
| Shaw Industries Group Inc 11411 Valley View St, Cypress 90630 | (562) 430-4445 |
| Sitonit 6415 Katella Ave # 2, Cypress 90630 | (714) 256-4800 |