Cosco Fire Protection Inc. Return to Directory Contact Bob Simonds Address 3850 Atherton Road City Rocklin State CA ZIP Code 95765 Business Phone 1 916 652-1306 Business Fax 1 916 652-1307 CSLB Number 577621 Specialty Alarm Systems, Fire Alarm Signal Systems, Fire Alarm Test, Serv., Monitor, Fire Protection Systems & Equipment, Fire Sprinkler Systems