nLight Inc is a United States-based company engaged in providing semiconductor and fiber lasers for industrial, microfabrication, and aerospace and defense applications. It designs, develops and manufactures the critical elements of lasers, through its vertically integrated business model to rapidly introduce innovative products, control costs and protect intellectual property. It operates in two segments: Laser Products, 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, China, and the Rest of the world.