Established in 1987, Philadelphia Detection Systems was the first licensed fire alarm contractor in Philadelphia and is one of the most experienced system integrators in the Philadelphia / South Jersey area. PDS is uniquely qualified to handle all of your fire, security, card access, intercom, and camera system needs. Today's fire-and-security-system design and installation must adhere to standards set forth in the National Electrical Code and the National Fire Protection Association. Our fire-and-security-systems designers and installers are fully trained and complete on going educational requirements.