| Business | Phone |
| Apt Consulting Inc 7540 Windsor Dr # 204, Allentown 18195 | (610) 366-1100 |
| Carparts Technologies 7310 Tilghman St # 100, Allentown 18106 | (610) 336-9045 |
| K 12 Systems Inc 7540 Windsor Dr # 209, Allentown 18195 | (610) 366-9540 |
| Online Data Systems 1621 N Cedar Crest Blvd # 101, Allentown 18104 | (610) 433-6511 |
| P E Comm Inc 1230 S Cedar Crest Blvd, Allentown 18103 | (610) 770-6380 |
| Synopsys Inc 7535 Windsor Dr, Allentown 18195 | (610) 395-8600 |
| T K Enterprises 124 Bastian Ln, Allentown 18104 | (610) 398-7742 |
| Seaboard Systems 1544 W Hamilton St # 102, Allentown 18102 | (610) 435-8174 |