| Business | Phone |
| American Commercial Svc 34 W Dayton St, Pasadena 91105 | (626) 585-1408 |
| Corion Protective Svc 2214 E Colorado Blvd, Pasadena 91107 | (626) 229-0800 |
| Intercom Security 210 S De Lacey Ave, Pasadena 91105 | (626) 535-2200 |
| Sos Pasadena 91101 | (626) 577-5042 |
| Bel Air Security Academy 50 S De Lacey Ave, Pasadena 91105 | (626) 584-1106 |
| Asrc Airfield & Range Svc 100 Corson St, Pasadena 91103 | (626) 584-1921 |
| Video Vision 36 W Colorado Blvd # 205, Pasadena 91105 | (626) 585-1988 |