| Business | Phone |
| Center For Tribology Inc 1715 Dell Ave, Campbell 95008 | (408) 376-4040 |
| Hilevel Technology Inc Campbell 95008 | (949) 263-8998 |
| Integrated Air Systems 430 Salmar Ave, Campbell 95008 | (408) 374-6588 |
| Summit Test Technology 297 Dillon Ave, Campbell 95008 | (408) 379-2234 |
| Wing Systems America Inc 100 W Rincon Ave, Campbell 95008 | (408) 871-7979 |