Computerized distribution system for industrial and commercial use comprising computers, controllers, junction boxes, displays, barcode readers, and answer switches indicating task completion and computer software for use in operating the foregoing equipment and for allowing the user to designate materials to be selected and located as part of inventory control, order fulfillment for other related business applications all sold together as a unit; Computerized picking system comprised of computer software for use in database management, computer hardware, lights, electrical ducts, programmable logic controllers, conveyers, cables, junction boxes, controllers, printers, liquid crystal displays, led displays, computer displays, bar code readers, car code scanners, and electrical switches, for aiding the operator to pick out necessary numbers of specific parts and products from stocked items in distribution centers, factories and warehouses, all sold together as a unit