| Business | Phone |
| Alif International 901 Market St, Philadelphia 19107 | (215) 829-9552 |
| Worldwide Telecommunications Philadelphia 19106 | (215) 627-2400 |
| Federal Security & Comms Co 1837 Solly Ave, Philadelphia 19152 | (215) 745-9725 |
| Integrated Communication Sltns 225 S 15th St, Philadelphia 19102 | (215) 599-1554 |
| Lance Technologies Inc 2654 S Percy St, Philadelphia 19148 | (215) 336-4000 |
| Liberty One Realty Corp 13050 Bustleton Ave, Philadelphia 19116 | (215) 856-0700 |
| Peco 3020 Market St, Philadelphia 19104 | (215) 243-1002 |
| Primary Business Products 13430 Damar Dr, Philadelphia 19116 | (215) 464-1401 |
| R & R Voice & Data Inc Philadelphia 19136 | (215) 708-3415 |
| Tele-Systems Inc 100 S Broad St, Philadelphia 19110 | (215) 832-0303 |
| Tri-County Amusement 1011 E Erie Ave, Philadelphia 19124 | (215) 288-3030 |