STMicroelectronics NV is a European multinational semiconductor contract manufacturing and design company. It is the largest of such companies in Europe. It was founded in 1987 from the merger of two state-owned semiconductor corporations, Thomson Semiconducteurs of France and SGS Microelettronica of Italy. The company is incorporated in the Netherlands and headquartered in Plan-les-Ouates, Switzerland. Its shares are traded on Euronext Paris, the Borsa Italiana and the New York Stock Exchange. It manufactures a wide range of microelectronics, including the widely-used STM8 and STM32 microcontrollers. Wikipedia