NJ Holdings Inc. engages in the game development, temporary staffing, and mobile communication sales, and corporate solutions businesses in Japan. It plans, develops, programs, designs, produces, and operates games; and provides credit card payment services, as well as mobile related services. The company was formerly known as Nepro Japan Co. Ltd. and changed its name NJ Holdings Inc. in December 2015. NJ Holdings Inc. was incorporated in 1991 and is headquartered in Tokyo, Japan.