http://www.cityfos.com/company/Locksmith-Security-Service-in-Sylmar-CA-22285804.htm

http://www.rateitall.com/i-6753600-locksmith-security-service.aspx

http://www.garagecommerce.com/businesses/10772033/locksmith-security-service/locks-locksmiths/ca/sylmar/91342

http://www.callupcontact.com/b/businessprofile/Locksmith_Security_Service/6689491