| Business | Phone |
| Boyd's Off The Hook Phone Svc San Diego 92110 | (619) 993-9764 |
| Cable Inc-Ron Morell Cnstrctn 9285 Chesapeake Dr, San Diego 92123 | (858) 277-0922 |
| F B Communications 9474 Chesapeake Dr, San Diego 92123 | (858) 268-1064 |
| Npp Inc 1761 Hotel Cir S, San Diego 92108 | (619) 574-6460 |
| A Telephone Connection Co Po Box 740705, San Diego 92174 | (619) 527-0077 |
| Solar Com 9865 Mesa Rim Rd, San Diego 92121 | (858) 546-7800 |
| Richardson's Phone Svc Inc 3761 Pioneer Pl, San Diego 92103 | (619) 231-2809 |
| Power Communications Plus Po Box 740705, San Diego 92174 | (619) 527-4267 |
| Collective Communications 10852 Ivy Hill Dr, San Diego 92131 | (858) 271-9500 |
| Phone Co 1677 Quivira Rd, San Diego 92109 | (619) 523-1644 |
| Cornwell Technologies Inc 3280 Main St, San Diego 92113 | (619) 232-4559 |
| On-Hold Marketing 4957 Academy St # 100, San Diego 92109 | (858) 270-9696 |
| Network Telephone Systems San Diego 92126 | (858) 689-4060 |
| Marion Communications 3004 Marathon Dr, San Diego 92123 | (858) 278-8117 |
| Hello Telecomm 10606 Camino Ruiz # 8, San Diego 92126 | (858) 484-6569 |
| High-Tech Communications Inc 1630 Dale St, San Diego 92102 | (619) 696-6000 |
| Home Phone Jack Co 4203 Pepper Dr, San Diego 92105 | (619) 497-0076 |
| Inet 6769 Mesa Ridge Rd, San Diego 92121 | (858) 455-7335 |