NJ Holdings, Inc. engages in game development, temporary staffing, mobile communication sales, and corporate solutions. It operates through the following segments: Game, Mobile, and Others. The Game segment deals with the planning, development, and management of games. The Mobile segment manages mobile phone shops that handle terminals and services of multiple carriers. The Others segment includes human resource solutions, credit settlement, and restaurant business. The company was founded on December 11, 1991 and is headquartered in Tokyo, Japan.