Osamu Chujo

Tri-Stage Inc. engages in the provision of solution support services to direct marketing companies. It operates though the following segments: Direct Marketing Support, Direct Mail Shipping Agency, Overseas, and Others. The Direct Marketing Support segment offers media frame services, product development; planning, production, and logistics services to direct marketing companies. The Direct Mail Shipping Agency segment includes printing and mailing services. The Overseas segment handles sales support of multi-channel types including retail, catalogue, and television mail order in ASEAN countries. The Others segment includes the Nippon Departmental Store business. The company was founded by Akio Maruta and Isao Senoo on March 3, 2006 and is headquartered in Tokyo, Japan.

M3 Career, Inc. provides physician recruitment and matching services. It also handles recruitment and job advertisement; career information; and medical consulting. The company was founded in December 2009 and is headquartered in Tokyo, Japan.

Medi C&C Co., Ltd. provides electronic detailing online platforms and advertising services for the medical and pharmaceutical industries. Its platforms offer information on diseases and drugs. The firm's services include ad hoc and tracking surveys and online banner and text advertisements. The company was founded on September 1, 2000 and is headquartered in Seoul, South Korea.

ASHITA-TEAM Co., Ltd. engages in the provision of human resources (HR) evaluation services. It offers human resources evaluation cloud-type services, Zettai! Hyoka and Competency Cloud, and training and research for HR and other related services. The company was founded by Kyosuke Takahashi on September 25, 2008 and is headquartered in Tokyo, Japan.

STYLE PORT, Inc. provides real estate services. The company is based in Tokyo, Japan. The Japanese company was founded in 2016 by Osamu Chujo, Akihito Madokoro.