| Business | Phone |
| Whitman Group 3501 Masons Mill Rd # 501, Huntingdon Valley 19006 | (215) 657-9990 |
| Guardian Angel Products 2771 Philmont Ave, Huntingdon Valley 19006 | (215) 938-7677 |
| Immunicon Corp 3401 Masons Mill Rd # 100, Huntingdon Valley 19006 | (215) 830-0777 |
| Leonard Medical Inc 1464 Holcomb Rd, Huntingdon Valley 19006 | (215) 938-1499 |