| Business | Phone |
| Delta Com 1147 E Broadway # 138, Glendale 91205 | (818) 507-0303 |
| Innovatel 556 Riverdale Dr # A, Glendale 91204 | (818) 552-6800 |
| California Sales Connection 4860 San Fernando Rd, Glendale 91204 | (818) 547-0141 |
| Abacus Communications Glendale 91205 | (818) 243-9451 |
| Global Connect Telecomms Inc Glendale 91204 | (818) 242-0482 |
| International Communication Sv 550 W Colorado St, Glendale 91204 | (818) 507-0009 |
| Pac Pay Phone Communications 826 E Harvard St, Glendale 91205 | (818) 247-6758 |
| Thomas Telecom 1125 E Broadway # 138, Glendale 91205 | (323) 245-2000 |
| Monolan 1807 W Glenoaks Blvd, Glendale 91201 | (818) 247-0603 |
| Telco Telecommunications Glendale 91204 | (323) 245-0167 |
| Telecom Manager Glendale 91204 | (818) 246-8125 |