Located in the heart of Silicon Valley, Foster Brothers Security Systems, Inc. has been satisfying the locksmith and security requirements of business and the industrial sector in the San Francisco Bay Area for over thirty-five years. As the valley grew, Foster Brothers has grown to meet the needs of our hundreds of customers, providing them with security systems, locks and keys, as well as access control devices. Our clients include some of the biggest companies in the nation. We have always taken pride in providing our customers with quick, professional and economical solutions.

Access Control Systems Automotive Supplies & Parts Wholesale Nec Computer & Computer Software Stores - Computer Software & Access Computer System Selling Services Control System Design Services Controls - Door Doors - Access Doors - Security Hardware Stores - Door Locks & Lock Sets Hardware Wholesale - Security Devices Locks Hardware - Locking Systems

Security Cable High Performance Industrial Access Doors Lock & Key Services Locking Devices Locks - Computer Locks - Door Locks - Master Keyed Marking Devices - Computer Controlled Remote Controls - Security Gate Door Etc. Security Control Equipment & Systems Security Devices Security Equipment Stores Used Merchandise Stores - Computers & Access