Tri-Stage Inc. is principally engaged in the direct marketing support business. The Company operates in two business segments. The Direct Marketing Support segment is engaged in the provision of media advertisement spaces, including broadcasting time on television (TV) and radio, commercial (CM) broadcasting time and advertising spaces on newspaper, magazines, Internet and mobile portal sites, the customized development of products, the planning and production of TV programs and other programs and the provision of know-how about order receipt and logistics. The Direct Mail Agency Sending segment is engaged in the agency sending of direct mails and products, and other businesses. Through its subsidiary, It also operates retailing business by selling specialty products and miscellaneous goods.