| Business | Phone |
| American Pagers 5744 Baum Blvd, Pittsburgh 15206 | (412) 363-3663 |
| Cell Waves 2615 W Liberty Ave, Pittsburgh 15216 | (412) 344-1800 |
| Fastlink Communications 4601 Centre Ave, Pittsburgh 15213 | (412) 688-8422 |
| Fastlink Inc 214 5th Ave, Pittsburgh 15222 | (412) 434-5580 |
| Ponton Paging 5149 Butler St, Pittsburgh 15201 | (412) 782-0481 |
| Postal Depot 3245 Brighton Rd, Pittsburgh 15212 | (412) 766-3787 |
| Usa Mobility Inc 180 Fort Couch Rd, Pittsburgh 15241 | (412) 409-1047 |