Argenx N.V. is a clinical-stage biotechnology company developing a deep pipeline of differentiated antibody-based therapies for the treatment of severe autoimmune diseases and cancer. Utilizing its suite of differentiated technologies, Co. is focused on developing product candidates with the potential to be either first-in-class against novel targets or best-in-class against known, but complex, targets in order to treat diseases with a significant unmet medical need.

GIMV is a listed investment company, specializing in private equity and venture capital and active in small and medium buyouts, growth financing and technology investments. Co. is also present with technology investments across Europe and in Israel, Japan and the USA. Co. invests in ICT (Technology), environmentally friendly technology (Cleantech) and Life Sciences.

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.

Solvay is engaged in chemical and plastic businesses worldwide. Co. offers chemical products such as advanced materials, barium strontium, calcium chloride, caustic soda, chlorinated products, fluor, peroxygen products, polyglycerols, precipitated calcium carbonate, soda ash, and sodium bicarbonate. It also provides specialty polymers, such as Spire ultra polymers, Solviva biomaterials, and sulfone polymers. Co. structures its activities around five operating segments: Advanced Formulations, Advanced Materials, Performance Chemicals, Functional Polymers and Corporate & Business Services, each with its own specific business model and each comprised of Global Business Units (GBUs).