nLight Inc is a United States-based company provider of power semiconductor and fiber lasers for aerospace and defense, industrial, and microfabrication applications. It designs, manufactures, and sells a range of power semiconductor lasers and fiber lasers that are typically integrated into laser systems. It operates in two segments: Laser Products segment, which includes semiconductor lasers, fiber lasers, and directed energy products; and Advanced Development segment includes revenue earned from research and development contracts. The majority of its revenue is generated from the Laser segment. The company's geographical segments include North America, Asia Pacific, and EMEA, of which maximum revenue is derived from North America.