Deutsche Telekom is engaged in the telecommunications services and information technology sectors. Co. operates as an integrated telecommunications provider. It is organized into four operating segments: Germany, Europe, and the United States; and Systems Solutions, as well as Group Headquarters and Shared Services. Co. provides fixed-network lines, broadband lines and mobile communications. Co. also provides customized Information and Communication Technology (ICT) solutions for corporate customers under the T-Systems brand. The Group Headquarters and Shared Services segment comprises cross-segment management functions, real estate services, and mobility solutions, among others.

Fortum is an energy company. Co.'s operations are organised in five divisions: Hydro Power and Technology and Nuclear and Thermal Power, which are engaged in its hydro, nuclear and thermal power generation, services, portfolio management and trading as well as technology and research and development functions; Heat, Electricity Sales and Solutions, which consists of Co.'s combined heat and power production, district heating and business-to-business heating solutions, solar business, electricity sales and related customer offering; Russia, which consists of power and heat generation as well as heat distribution in Russia; and Distribution, which focuses on distribution activities in Sweden.

HAL Trust is the trust holding company for HAL Holding N.V. Co.'s only asset is the outstanding shares of HAL Holding N.V. Co.'s strategy is to invest in companies where it can play an active role as shareholder and board member. Co. invests mainly in industrial and real estate companies.