| Business | Phone |
| A & S Enterprises 4009 Dartmoor Dr, Mechanicsburg 17050 | (717) 732-2400 |
| Allegro Business Systems 1776 Autumnwood Dr, Mechanicsburg 17055 | (717) 795-7065 |
| Business Information Group Mechanicsburg 17055 | (717) 697-6972 |
| Capital Area Computer Systems 176 Cumberland Pkwy, Mechanicsburg 17055 | (717) 766-9574 |
| Computer Sciences Corp 4660 E Trindle Rd, Mechanicsburg 17050 | (717) 901-7897 |
| Datamedic Po Box 361, Mechanicsburg 17055 | (717) 697-3462 |
| K-Systems Inc 5060 Ritter Rd # 2a, Mechanicsburg 17055 | (717) 795-7711 |
| Tantus Corp 5000 Ritter Rd # 202, Mechanicsburg 17055 | (717) 796-7020 |