Sekonic Corp. engages in the manufacture and sale of monitoring cameras and its related equipment. It operates through the following segments: Independent Development, Contract Production, and Real Estate Leasing. The Independent Development segment manufactures and sells exposure meters, optical mark readers (OMRs), recorders, temperature and humidity recorders, viscometers, inorganic electroluminescence (EL), and surveillance cameras. The Contract Production segment handles the manufacture and sale of copier option units, plotters, display devices, board mounting, and cable tie processing. The Real Estate Leasing segment rents commercial facilities and former factory buildings. The company was founded on June 16, 1951 and is headquartered in Tokyo, Japan.