Mitsubishi Heavy Industries Ltd (MHI) manufactures a diverse range of heavy machinery. Its products and services include power plants, chemical plants, environmental equipment, steel structures, industrial and general machinery, shipbuilding, aircraft, space systems and air-conditioning systems. MHI offers solutions for social infrastructure in the areas of energy, including thermal, nuclear, renewable energies and the environment, including chemical plants. 

The company also supplies advanced transportation systems and services for land, sea and air applications. It provides integrated defence systems for land, sea, air and space applications and related equipment and services. The company operates in North America, Latin America, Asia, Europe, the Middle East, Africa and Oceania.