Whirlpool is an American manufacturer and marketer of home appliances headquartered in Michigan. It has over 71,000 employees and manufactures and researches appliances in 70 countries for the global market of 130 countries. In the early 2000s, Whirlpool implemented new systems like Manufacturing Control System and advanced planning and scheduling to overhaul its supply chain and address problems with inventory management, production planning, and sales forecasting. It also used i2 Technology and SAP ERP software. These changes helped Whirlpool reduce supply chain costs and better balance supply and demand.