| Business | Phone |
| Allied Security & Invstgtv 1406 11th Ave, Altoona 16601 | (814) 942-9664 |
| Commonwealth Security Altoona 16602 | (814) 949-3747 |
| Commonwealth Security Syst Inc 212 Frankstown Rd # 214, Altoona 16602 | (814) 943-1331 |
| Nite Owl Security 1420 18th St, Altoona 16601 | (814) 946-3680 |