Established in Osaka, Japan, in 1924, Daikin Industries is one of the world's largest residential and commercial heating, ventilation, and air conditioning product and service companies. North America, Japan, China, and Europe are Daikin's four biggest markets, with North America accounting for over 30% of the company's revenue over the years. The air conditioning segment represents around 90% of Daikin's revenue and operating income, while chemicals and others account for the remaining 10%.