| Business | Phone |
| Raditek 1702 Meridian Ave # H-127, San Jose 95125 | (408) 266-7404 |
| M/A-Com 5300 Hellyer Ave, San Jose 95138 | (408) 624-3000 |
| Optical Microwave Networks Inc 130 Rose Orchard Way, San Jose 95134 | (408) 954-0466 |
| Micramics Inc 945 Berryessa Rd # 5, San Jose 95133 | (408) 436-9766 |