Internet Initiative Japan is engaged in the provision of a comprehensive range of Internet connectivity services, WAN services, outsourcing services, systems integration and equipment sales to Co.'s customers mainly in Japan. Co.'s principal services are full-spec IP service, closed-network services, security-related outsourcing services, web server hosting and e-mail security service, as well as systems construction and systems operation and maintenance. Co., through its subsidiary, is engaged in the operation of ATMs and its network systems and receives a commission for each bank withdrawal transaction when a customer uses its serviced ATMs. As of March 31, 2018, Co. has 1,096 ATMs.

JMDC Inc. is a Japan-based company mainly engaged in the health big data business, telemedicine business and dispensing pharmacy support business. The Company operates in three business segments. The Health Big Data segment is engaged in the provision of receipt data analysis and health promotion solutions, and personal health information platforms, the build, management and analysis of medical databases such as receipt data and medical examination data, the build and sale of drug databases, and the development and provision of systems using drug databases for medical institutions. The Telemedicine segment is engaged in the provision of remote image diagnosis matching services, and infrastructure systems for remote image diagnosis. The Dispensing Pharmacy Support segment is engaged in the development and provision of business systems and electronic medication record for dispensing pharmacies, as well as the operation of dispensing pharmacies.

Nomura Research Institute is mainly engaged in the provision of consulting, financial and industrial IT services, and IT platform services. Consulting Services segment offers management consulting and system consulting services. Financial IT Solutions segment provides IT services including system development, operation outsourcing, and shared-online services for securities, insurance, banking, and other financial industries. Industrial IT Solutions segment provides IT services for distribution, manufacturing, service, and healthcare industries. IT Platform Services segment offers IT infrastructure services, managed services, and advanced information technology services.

NTT Data is an information technology ("IT") company mainly engaged in the provision of system integration and network system services. Along with its affiliates, Co. operates in five business segments: public & social infrastructure, financial, enterprise & solutions, North America, and EMEA & LATAM. Co. provides IT services including system integration, network information, consulting, business solution, and system support services to its customers in various industries both domestic and overseas. Co.'s principal products and services are "Accel-Mart," "Aggregate Master®," "Tableau™," "IMDA®," "IsleLinX®," "BRIMOS®," "RemoteOne®," "WinActor," "ANSER," and "AnserDATAPORT®."

Oracle provides products and services that address enterprise information technology (IT) environments. The company's products and services include applications and infrastructure offerings. The company's cloud and license business engages in the sale, marketing and delivery of its applications and infrastructure technologies through cloud and on-premise deployment models including its cloud services and license support offerings; and its cloud license and on-premise license offerings. The company's hardware business provides Oracle Engineered Systems, servers, storage, industry-specific hardware, operating systems, virtualization, management and other hardware-related software to support diverse IT environments.