| Business | Phone |
| Allied Security 200 Fleet St # 200, Pittsburgh 15220 | (412) 937-9700 |
| Allied Security 3500 Terrace St, Pittsburgh 15213 | (412) 681-3590 |
| Am-Gard Inc 600 Main St, Pittsburgh 15215 | (412) 781-5800 |
| Cauley Detective Agency 5777 Baum Blvd, Pittsburgh 15206 | (412) 661-6000 |
| Dynasty Security Inc 300 Penn Center Blvd # 225, Pittsburgh 15235 | (412) 829-0881 |
| Guardsmark Inc 355 5th Ave # 922, Pittsburgh 15222 | (412) 325-4150 |
| Ipc Intl Pittsburgh 15237 | (412) 369-8258 |
| Ipc Intl Corp 1500 Washington Rd, Pittsburgh 15228 | (412) 561-3609 |
| K & S Security Systems Inc 2176 Centre Ave, Pittsburgh 15219 | (412) 288-9650 |
| Knightwatch Security & Dscvry 5744 Ellsworth Ave, Pittsburgh 15232 | (412) 361-7007 |
| Leonard Security Svc 1060 Brinton Rd, Pittsburgh 15221 | (412) 371-0174 |
| Scotland Yard & Security Inc 5001 Baum Blvd, Pittsburgh 15213 | (412) 687-4851 |
| Securitas Security Svc Usa Inc 875 Greentree Rd # 785, Pittsburgh 15220 | (412) 922-2331 |
| St Moritz Security Svc 4600 Clairton Blvd, Pittsburgh 15236 | (412) 885-3144 |
| Tarbuck Security 875 Greentree Rd, Pittsburgh 15220 | (412) 921-7171 |
| U S Security Assoc Inc 711 Bingham St # 201, Pittsburgh 15203 | (412) 431-8500 |
| Vector Security Patrol 2227 Denlin St, Pittsburgh 15216 | (412) 561-2860 |
| Wackenhut Corp 4156 Library Rd # 4, Pittsburgh 15234 | (412) 341-7311 |
| Zucco Security 1487 Renton Rd, Pittsburgh 15239 | (412) 793-4135 |