Philadelphia Security Products, Inc. (PSPI) is an industrial distributor and wholesaler representing the product lines of leading security hardware manufacturers including Master Lock, American Lock, and Abus Lock. PSPI was established in 1985 when it introduced the Flexguard Security System, a line of computer and electronics security hardware that it continues to manufacture and distribute today. PSPI is based in Southeast Pennsylvania and serves customers throughout North America and the world with prompt, friendly service at very competitive prices. For more information, visit our website.