Cofinimmo is a fixed capital real estate investment trust. Co. specializes in rental property. Its core investment segments are office property and nursing and care institutions. The portfolio also includes a Distribution property networks segment. Most of Co.'s assets are in Belgium. The foreign part consists of nursing homes/ clinics and the MAAF agencies network in France and the Pubstone portfolio in the Netherlands. Co.'s operations are organized into four segments: Offices, Nursing homes/Clinics, Distribution property networks, and Public-Private Partnerships.

Elia System Operator develops, operates and maintains very-high-voltage (380 kV, 220 kV and 150 kV) and high-voltage (70 kV, 36 kV and 30 kV) networks, providing its customers with consultancy and engineering services. Whether in Belgium, Germany or elsewhere in Europe or the U.S., Co. ensures that electricity flows reliably from energy producers to distributors and large corporate customers. Co.'s main activities include transmission operator, system operator and market facilitator, developing and maintaining grid infrastructure, connecting electrical installations to grids, providing transparent access to grids, while taking initiatives to improve electricity market operations.

Proximus supplies integrated telecommunications services on the Belgian market. Co.'s activities are divided into four segments: Consumer Business Unit (CBU), which sells voice products and services, internet and television, on fixed and mobile networks, to residential customers; Enterprise Business Unit (EBU), which caters to professional customers; Service Delivery Engine and Wholesale, which centralizes all the network and IT services and costs, provides services to CBU and EBU and sells these services to other telecom and cable operators; and International Carrier Services, which focuses on international carrier activities.

Warehouses De Pauw and its subsidiaries are engaged in investment in the Belgian semi-industrial property market. Co. is a closed-end property investment company which specializes in: development of storage and distribution premises; customized projects in line with the user's request; acquiring premises for customers who wish to engage in sale and leaseback transactions.