Leslie's was founded in 1963 in North Hollywood, California, and decades later, Leslie's Poolmart has more than 600 retail stores in 35 states across America -- plus commercial sales, mail order and Internet shopping. Leslie's product line includes chemicals, cleaning devices, equipment, parts, recreational and safety products, as well as many unique items for the backyard and patio. The shop also offers professional on-site equipment installation and repair services in most areas.