| Business | Phone |
| Fastner Componets Philadelphia 19106 | (215) 925-6096 |
| Humanscale 2133 Arch St, Philadelphia 19103 | (215) 496-1950 |
| Image Quest 2900 S 20th St, Philadelphia 19145 | (215) 829-1310 |
| Logo Info Systems 4800 Longshore Ave, Philadelphia 19135 | (215) 543-9000 |