A world-wide warehouse management system in which an integrated computer and bar code scanning system are designed to eliminate paperwork as a whole. This integrated application functions as a single program to optimize warehousing and logistics operations. It can reduce operating costs and improve order accuracy, speed of delivery, and inventory managment. This method is designed to renovate the traditional warehouse method and focus on complete project delivery. It provides warehouse shippers and packers with portable hand-held computers including radio transmitters and bar code scanners. The individual workers in the warehouse use the hand-held computers to present customer orders, scan, and confirm bar codes. Shippers use hand-held computers to verify and confirm that items are packed and shipped according to order.