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.