P.T. Telekomunikasi Indonesia is a telecommunication service and network provision group based in Indonesia. Co. serves millions of customers throughout Indonesia with a complete range of telecommunications services that include fixed wireline and fixed wireless telephone connections, cellular services, network and interconnection services, as well as internet and data communication services. Co. also provides services in information, media and edutainment, including cloud-based and server-based managed services, e-Payment and IT enabler services, Pay TV, as well as e-Commerce and other portal services. Co. operations are organzied along four segments: Corporate, Home, Personal and others.

Rakuten is mainly engaged in the Internet-related business. Along with its affiliates, Co. operates in two business segments. The Internet Services segment is engaged in the operation of electronic commerce sites, including an Internet shopping mall "Rakuten Ichiba," an online cash back site, a travel booking site, portal sites and digital contents sites; the sale of advertising on Co.'s sites; the provision of messaging and communication services; and the management of a professional baseball team "Tohoku Rakuten Golden Eagles." FinTech segment is engaged in the provision of Internet banking services and online securities trading services, and the credit card and life insurance businesses.

Yahoo Japan is engaged in the provision of Internet advertising and e-commerce services. Media Business segment provides marketing and advertising services including paid search, display, in-feed video advertising and other advertising-related services for corporations; and Yahoo! News and media-related services. Commerce Business segment provides e-commerce related services including YAHUOKU! (net auction site), Yahoo! Shopping, ASKUL, LOHACO and other shopping websites; membership services including Yahoo! Premium, Yahoo! BB and other services; and financial and payment-related services including credit card, e-money, foreign exchange margin trading and other related services.