How do distribution channels and marketing intermediaries move products to end users?

"Efficiently managing the acquisition of raw materials by the factory and the movement of products from the producer to industrial users and consumers. The series of marketing entities through which goods and services pass on their way from producers to end users. Organizations that assist in moving goods and services from producers to end users. The process of breaking large shipments of similar products into smaller, more usable lots. Go-betweens that bring buyers and sellers together. Sales representatives of manufacturers and wholesalers. Independent wholesalers that buy related product lines from many manufacturers and sell them to industrial users. An institution that buys goods from manufacturers (takes ownership) and resells them to businesses, government agencies, other wholesalers, or retailers. A producer; an organization that converts raw materials to finished products."