| Business | Phone |
| Aae Systems Inc 642 N Pastoria Ave, Sunnyvale 94085 | (408) 732-1710 |
| Alpha Telecom 1394 Borregas Ave, Sunnyvale 94089 | (408) 541-6188 |
| Cai Communications 1190 Mountain View Alviso # S, Sunnyvale 94089 | (408) 744-0282 |
| D B Enterprises Sunnyvale 94089 | (408) 734-1423 |
| Telesynergy Research Usa Inc Sunnyvale 94086 | (408) 530-0369 |
| Peninsula Communications 562 E Weddell Dr # 2, Sunnyvale 94089 | (408) 541-2001 |