| Business | Phone |
| Airtouch Networks 49 W Main St, Chester 7930 | (908) 879-1808 |
| Airtouch Wireless Networks Inc 49 W Main St, Chester 7930 | (908) 879-1808 |
| Chester Computer 135 Hillside Rd, Chester 7930 | (908) 879-5316 |
| Clear Mountain Solutions 385 Route 24, Chester 7930 | (908) 879-1836 |
| Computech Inc 205 Main St, Chester 7930 | (973) 584-0020 |