American Society for Industrial Security (ASIS) is the foremost security organization in the world and is well known for their certification program to advance the standards of the profession. SecurityNet's principal consultant, Mr. Kenneth Carlisle, has held ASIS's top certification (CPP, Certified Protection Professional) for many years. He is also a past Chairman of the Monterey Bay Chapter of ASIS.
SecurityNet has worked with Warmen Security in San Francisco for over 20 years. Warmen's provides quality locks and service.
HiddenSF.com about best things to do in San Francisco Bay area is an interesting local site.