| Business | Phone |
| Cedg Inc 5010 Ritter Rd # 111, Mechanicsburg 17055 | (717) 691-8050 |
| J Michael Brill & Assoc Inc 5053 Ritter Rd # 200, Mechanicsburg 17055 | (717) 691-0200 |
| Madden Engineering Svc Inc 414 S York St, Mechanicsburg 17055 | (717) 766-9633 |
| Wilson Consulting Group Inc 220 Cumberland Pkwy, Mechanicsburg 17055 | (717) 591-3070 |
| Urs Corp 5010 Ritter Rd, Mechanicsburg 17055 | (717) 620-2277 |