Mitsubishi Corporation (MC, 三菱商事株式会社) is a company that operates in the natural gas, chemicals, mineral resources, automotive, food, power, and urban development businesses.
Mitsui & Co. (三井物産株式会社, formerly known as Daiichi Bussan Kaisha) is a trading and investment company that operates in the mineral and metal resources, energy, mobility, chemicals, food and retail management, wellness, IT and communication, and corporate development businesses.
Daikin Industries (ダイキン工業株式会社) is a company that manufactures air conditioning, refrigeration, heating, and ventilation systems, as well as provides fluorochemical and oil hydraulic solutions.
Samsung C&T (삼성물산주식회사, formerly known as Cheil Industries) is a company that engages in engineering and construction, trading and investment, fashion, and resort businesses.