American Leak Detection, also known as ALD, is one of the leading providers of hidden leak detection services throughout the world. Founded in 1974, it offers leak detection solutions for swimming pools, spas, utility lines, sewers and drains. The company has partnerships with ACE DuraFlo Systems and FLIR Systems. It is a member of the Association of Pool & Spa Professionals, National Association of Home Inspectors, American Water Works Association, and Restaurant Facility Management Association. The company operates more than 100 franchises throughout the United States and over 15 franchises in Belgium, Australia, Canada, Brazil and Spain. It maintains a full-service research and development department. American Leak Detection serves several residential, commercial and municipal clients. The company has network sales of more than $50 million.