| Business | Phone |
| Arm Group 11265 Sunrise Gold Cir # J, Rancho Cordova 95742 | (916) 631-4182 |
| X O Communications Inc 10995 Gold Center Dr # 100, Rancho Cordova 95670 | (916) 266-7200 |
| American Tower Systems 3261 Fitzgerald Rd, Rancho Cordova 95742 | (916) 852-6798 |
| Avaya Inc 11017 Cobblerock Dr, Rancho Cordova 95670 | (916) 463-2600 |
| Nacctell Co 11265 Sunrise Gold Cir, Rancho Cordova 95742 | (916) 635-0800 |
| Wire One Technologies 11030 White Rock Rd, Rancho Cordova 95670 | (916) 635-1455 |