PSA, The Professional Security Alliance, one of the nation's largest security companies, is owned jointly by leading security firms like ourselves located throughout the United States, Mexico, Europe, Latin America, and Canada.

PSA provides centralized purchasing, training, marketing and other support functions for its members. Network companies design, install and service CCTV and integrated systems for security, access control, management control and communications.

The PSA Security network was established in 1974 and has grown to become one of the world's leading providers of advanced security systems. PSA companies offer you expertise in every area of security, from assessing liability risks to price/benefit analysis, from system design and integration to installation, from operations to maintenance and service.

PSA's Proficiency Training Program, the industry's only certification program, guarantees that you will receive the highest quality system performance available in the industry.