ASAP Aero Supplies has IDSC Holdings LLC parts in stock and ready to ship. IDSC Holdings LLC does business as Snap-On and is an American designer, manufacturer, and distributor of high-end tools and equipment for professional use in industries such as automotive, heavy duty, equipment, marine, aviation, and rail industries. The company, in its first iteration, was founded in Milwaukee, Wisconsin in 1920 by Joseph Johnson and William Seidemann, originally manufacturing snap-on sockets, hence the name. The company grew markedly due in large part to the post WW2 sales boom, leading to significant growth of the staff and product line. Their products are sold solely by distributors and are not available in retail locations. The idea behind this method is that it saves time for customers and suppliers alike. Instead, franchisees visit customers at their office, warehouse, or other place of work with an inventory of parts ready for sale.