| Business | Phone |
| Allied Security 765 The City Dr S # 105, Orange 92868 | (714) 260-0805 |
| Benson Security Systems Inc 2238 N Glassell St # G-H, Orange 92865 | (714) 998-9892 |
| California Industrial Security 1920 E Katella Ave # E, Orange 92867 | (714) 997-3288 |
| Code 4 Intl Inc 1010 N Batavia St # F, Orange 92867 | (714) 516-3378 |
| Edit Systems Inc 1912 N Batavia St # D, Orange 92865 | (714) 282-7395 |
| Advanced Protection 1912 N Batavia St # G, Orange 92865 | (714) 283-7191 |
| Applied Security Inc 2242 W Palm Ave, Orange 92868 | (714) 937-1990 |
| Coast Security Co Po Box 6388, Orange 92863 | (714) 633-6900 |
| Cissco Calif Ind Security Svc 1010 N Batavia St, Orange 92867 | (714) 432-8911 |
| Huntington Security Systs Inc 1403 N Batavia St, Orange 92867 | (714) 288-0855 |
| Lyons Security Svc 2582 N Santiago Blvd # B, Orange 92867 | (714) 283-2031 |
| Netversant Network Solutions 1640 N Batavia St, Orange 92867 | (714) 685-3131 |
| On Line Security Orange 92867 | (714) 633-8648 |
| Shield Security Inc 1063 N Glassell St, Orange 92867 | (714) 538-3563 |