Compagnie Immobiliere de Belgique SA (Immobel) is a Belgium-based company active in the real estate development sector. The Company operates in three lines of business in Belgium, Luxembourg and Poland, such as office properties, the residential sector and land banking. Its clients include: the state, the European Union (EU) and/or institutional investors for office complexes; private clients for residential property and land purchases, as well as private clients looking to invest in housing. The Company's main projects in Belgium include Belair, Black Pearl, Parc Seny, Gateway, Bella Vita and Chastre Rue Du Chene. Its main projects in Luxembourg include Westside Village, Green Hill and Galerie Kons. Finally its main projects in Poland include Cedet, CBD One and Okraglak.

Corbion is an internationally operating company engaged in the development, production, sale and distribution of bakery supplies and food ingredients. Co. is engaged in the Bakery Supplies and Lactic Acid business. Co.'s operations are divided into two segments: Bakery operations and Lactic acid operations. Co.'s Bakery operations comprise the development, production and sale of bakery ingredients and products. Co.'s Lactic acid operations involve the production of lactic acid and lactic acid derivatives which are used in food, pharmaceutical and technical products. Co. operates mostly in Europe and North America. Co.'s brands are Waldkorn, Kate's cakes, Purac, Carel, MeisterMarken.

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.

Solvac is a holding company. Through its subsidiary, Solvay, Co. is active in Chemistry. Co. manufactures and sells chemicals and plastics products. Its operations can be divided into two business segments: Chemicals and Plastics. In the Chemicals Sector, Co.'s produts are divided into four clusters which are the Minerals cluster; the Electrochemistry and Fluorinated Products cluster; the Oxygen cluster; and the Organic cluster. In the Plastics sector, Co.'s products can be divided into 2 different clusters which are Specialties and Vinyls. The Specialties cluster comprises Specialty polymers and Inergy Automotive Systems. The Vinyls cluster comprises Vinyls and Pipelife.