| Business | Phone |
| Quality Investigative Svc 419 Broadway St, Buffalo 14204 | (716) 896-9936 |
| Securitas Security Svc Usa Inc 1491 Sheridan Dr # 400, Buffalo 14217 | (716) 874-4303 |
| Security Services & Systems 5500 Main St, Buffalo 14221 | (716) 633-3121 |
| Affirm Security Inc Po Box 372, Buffalo 14231 | (716) 636-6200 |
| Seton Professional Building 2121 Main St, Buffalo 14214 | (716) 832-6262 |
| Bison Security Co Inc 3871 Harlem Rd # 4, Buffalo 14215 | (716) 831-9300 |
| Us Security Assoc Inc 25 Genesee St, Buffalo 14203 | (716) 855-1766 |
| Guardsmark Inc 6225 Sheridan Dr, Buffalo 14221 | (716) 839-9923 |
| I R Mueller Corp 789 Colvin Ave, Buffalo 14217 | (716) 876-9218 |
| Key Center Security 50 Fountain Plz # 145, Buffalo 14202 | (716) 852-6211 |
| Morris Protective Svc Inc 975 Hertel Ave # 2, Buffalo 14216 | (716) 873-9736 |