JTOWER Inc. is a Japan-based company mainly engaged in the communications infrastructure sharing business. The Company is engaged in the domestic in-building infrastructure sharing (IBS) business, overseas IBS business, tower business and solution business. The domestic IBS business and overseas IBS business are engaged in the design, construction and sharing of mobile communication infrastructures for large-scale facilities such as commercial facilities, office buildings, hospitals, universities, condominiums, hotels and public facilities in Japan, Vietnam and Myanmar. The tower business is engaged in the integration and sharing of mobile communication infrastructures such as steel towers, concrete columns, poles, antennas, power supplies and fibers that installed by several mobile carriers. The solution business is engaged in the provision of cloud Wi-Fi solutions to real estate companies, as well as the database SITE LOCATOR that aggregates information of real estate companies.

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.