| Business | Phone |
| Eastern Time Inc 746 Hanover Ave, Allentown 18109 | (610) 776-1222 |
| Keystone Fire Protection Co Allentown 18104 | (610) 820-0990 |
| Simplex Grinnell 6330 Hedgewood Dr # 250, Allentown 18106 | (610) 398-7260 |
| Sfpi Inc 2857 Huron St, Allentown 18103 | (610) 791-9554 |