| Business | Phone |
| Ekg Medical Billing Svc 121 N 32nd St, Harrisburg 17111 | (717) 564-0564 |
| Keystone Data Svc Inc 5910 Timothy Rd, Harrisburg 17112 | (717) 671-9645 |
| Metro Medical Billing 231 S 29th St, Harrisburg 17103 | (717) 221-8661 |
| Miller Matter Assoc 3805 Sheffield Ln, Harrisburg 17110 | (717) 232-3133 |
| National Acceptance Co 4807 Jonestown Rd # 252, Harrisburg 17109 | (717) 540-5608 |