| Business | Phone |
| America En Garde Protection Frewmill Rd, New Castle 16101 | (724) 657-1199 |
| Vector Security New Castle 16101 | (724) 658-5830 |
| Rid Security Systems 98 Savannah Gardner Rd, New Castle 16101 | (724) 656-6831 |
| Karski Security Alarm Syst Inc 3212 Greentree Cir, New Castle 16105 | (724) 654-9958 |