| Business | Phone |
| Ipg 100 Hamilton Ave, Palo Alto 94301 | (650) 838-0388 |
| Logilight 957 Channing Ave, Palo Alto 94301 | (650) 326-6885 |
| Optics Central Palo Alto 94301 | (650) 324-1283 |
| K Squared Optronics 580 College Ave, Palo Alto 94306 | (650) 496-2222 |
| Stanford Photonics 1032 Elwell Ct, Palo Alto 94303 | (650) 969-5991 |
| Terachip Inc 2479 E Bayshore Rd, Palo Alto 94303 | (650) 320-8148 |