| Business | Phone |
| Hoya Corp 101 Metro Dr, San Jose 95110 | (408) 441-9400 |
| Ocular Lab 121 E Brokaw Rd, San Jose 95112 | (408) 955-7250 |
| J & J Marketing 5332 Entrada Oleandros, San Jose 95123 | (408) 281-4432 |
| Optical Connection Inc 3315 Almaden Expy, San Jose 95118 | (408) 265-8644 |