| Business | Phone |
| Con Tech Svc Inc 23 E Front St, Media 19063 | (484) 621-7950 |
| Power & Control Systems Inc 7 Michele Dr, Media 19063 | (610) 359-1727 |
| Power Tech Assoc Inc 77 W Baltimore Pike # 2, Media 19063 | (610) 358-1800 |
| Technical Design Solutions 325 Lenni Rd, Media 19063 | (610) 558-3244 |
| Sab Engineering & Constr Co 300 W State St, Media 19063 | (610) 565-3327 |