Meisei Electric Co., Ltd. (明星電気株式会社, Meisei Denki Kabushiki Kaisha) is a Japanese limited company which manufactures electronics and communications equipment. Founded as a radio and electrical firm in 1938, it now specialises in geological and meteorological sensors, though it has also been involved in developing avionics and spaceflight technology. It is headquartered in the city of Isesaki in Gunma Prefecture, and operates a maintenance and personnel management subsidiary in the same area. In 2012, Meisei Electric was listed among "Asia's 200 Best Companies Under a Billion" by Forbes.