| Business | Phone |
| Core Trace Corp 2 W Baltimore Ave, Media 19063 | (610) 891-9800 |
| Coretrace Corp 2 W Baltimore Ave, Media 19063 | (610) 627-2250 |
| Eastern Business Software Inc 55 State Rd # 2, Media 19063 | (610) 565-7481 |
| Mega Technologies Inc 2973 Lakewood Dr, Media 19063 | (610) 565-2929 |
| Unique Systems Inc 1008 N Providence Rd, Media 19063 | (610) 566-5648 |
| Terra Firma Consulting 1400 N Providence Rd, Media 19063 | (610) 566-0155 |
| Scientific Softwear Tools 1023 E Baltimore Pike # 100, Media 19063 | (610) 891-1640 |
| Sos Engineering Software 609 W State St, Media 19063 | (610) 891-6762 |