Wholesalers generally buy large quantities of products from manufacturers, store them, and then resell them to businesses.
They can also be called distributors .
Wholesalers take title, ownership, of the goods until they sell them to retailers.
Rack Jobber— a wholesaler that manage inventory and merchandising for retailers by counting stock and maintaining store displays. They bill the retailer only for items sold.
Drop Shipper —owns the goods they sell but do not handle the products. Drop shippers sell the goods to other businesses and have them shipped directly from the manufacturer. Ex. Coal, lumber, chemicals.