Founded in 2004 CPO is America leading online tool retailer. Millions of professional and DIY customers choose CPO for its wide selection of leading brands great prices and outstanding customer service. CPO is best known for its industry leading selection of factory reconditioned tools and equipment which offer customers high quality tools at significantly discounted prices.Founded in 2004 CPO is America leading online tool retailer. Millions of professional and DIY customers choose CPO for its wide selection of leading brands great prices and outstanding customer service. CPO is best known for its industry leading selection of factory reconditioned tools and equipment which offer customers high quality tools at significantly discounted prices.