| Business | Phone |
| Cosco Fire Protection Inc 10695 Treena St # 105, San Diego 92131 | (619) 937-2801 |
| Rolf Jensen & Assoc 7676 Hazard Center Dr, San Diego 92108 | (619) 497-2665 |
| Schirmer Engineering 11770 Bernardo Plaza Ct # 116, San Diego 92128 | (858) 673-5845 |
| Protection Design & Consulting 3760 4th Ave, San Diego 92103 | (619) 542-1802 |
| Code Red 1155 Thomas Ave, San Diego 92109 | (858) 272-2275 |
| Olson & Assoc 740 San Luis Rey Pl, San Diego 92109 | (858) 488-9524 |
| Klausbruckner & Assoc 5196 Middleton Rd, San Diego 92109 | (619) 466-6860 |
| Tva Fire & Life Safety Inc 9740 Scranton Rd # 300, San Diego 92121 | (619) 296-5666 |