| Business | Phone |
| A Plus Databases 584 Petersburg Rd, Carlisle 17013 | (717) 258-9587 |
| Computer Tutor 195 Heisers Ln, Carlisle 17013 | (717) 249-9097 |
| Greenberg Research 224 S College St, Carlisle 17013 | (717) 249-7897 |
| R M Corp 23 Waterloo Rd, Carlisle 17013 | (717) 243-8310 |