Finland is home to several globally renowned multinational corporations that command massive market shares in their respective industries. Prominent examples include Nokia, a pioneer in telecommunications and mobile network infrastructure; Kone, a world leader in the manufacture of elevators and escalators; UPM-Kymmene and Stora Enso, massive global players in sustainable forestry, paper, and biomaterials; Wärtsilä, specializing in marine and energy power plants; and Supercell, a globally famous mobile video game development studio headquartered in Helsinki.