| Business | Phone |
| Abator Information Svc Inc 2400 Ardmore Blvd # 400, Pittsburgh 15221 | (412) 271-5922 |
| Cablocity Inc 1524 Pennock Rd, Pittsburgh 15212 | (412) 766-5373 |
| Compleat Systems 1370 Old Freeport Rd, Pittsburgh 15238 | (412) 963-7887 |
| Comsys 2525 Liberty Ave # 1000, Pittsburgh 15222 | (412) 209-0200 |
| Data Input Svc 540 Delwar Rd, Pittsburgh 15236 | (412) 882-1188 |
| Data Processing Sciences Corp 2 Parkway Ctr # 119, Pittsburgh 15220 | (412) 921-0993 |
| Digital Content Corp 7812 Hamilton Ave, Pittsburgh 15208 | (412) 247-4640 |
| Educational Data Systems Inc 300 6th Ave # 101, Pittsburgh 15222 | (412) 765-0688 |
| Oki Data Americas Inc 550 Robin Dr, Pittsburgh 15220 | (412) 279-1002 |
| Parx Group Inc 500 Mcknight Park Dr, Pittsburgh 15237 | (412) 366-0667 |
| Persistent Data Systems Inc Po Box 38415, Pittsburgh 15238 | (412) 963-1843 |
| Software Alternatives Inc 2600 Boyce Plaza Rd, Pittsburgh 15241 | (412) 257-4755 |
| Speech Interface Design Inc 700 River Ave, Pittsburgh 15212 | (412) 323-1135 |
| Vocollect Inc 701 Rodi Rd, Pittsburgh 15235 | (412) 829-1361 |