| Business | Phone |
| Armex Optical Co 6242 Preston Ave, Livermore 94551 | (925) 456-1000 |
| Crystal River Optics 2111 Research Dr # 3, Livermore 94550 | (925) 462-7983 |
| Ron's Optical Case Co 7820 Patterson Pass Rd, Livermore 94550 | (925) 454-1900 |
| V M Products Inc-Coating Lab 34 Rickenbacker Cir, Livermore 94551 | (925) 449-8400 |