There is almost any company that can achieve successful business and make profits without holding certain amounts of stock. Depending on the subject of business, the company is opting for a particular type of stock. Since each individual company has its own area of activity, it can not be determined by a universal case. It mostly depends on the market condition and reliability of suppliers with which company works. No matter what types of stock company decides to hold, each of these involves a certain costs. There are various types of inventory costs on which is nedeed to pay attention to a successful business enterprise. These costs are ordering costs, holding costs, stock – out costs and manufacturing costs. Each of these costs are possible and should be calculated to determine the amount of inventory costs in total costs of enterprises. It should pay attention to the costs of inventories do not exceed their value, because in this case the company does not makes profit, even on the contrary the company may suffer huge losses. In any case, the costs of inventories are unavoidable, but successful policy should keep them to a minimum.