Bpost is engaged in the provision of national and international mail and parcels services comprising the collection, transport, sorting and distribution of addressed and non-addressed mail, printed documents, newspapers and parcels. In addition, through its subsidiaries and business units, Co. sells a range of other products and services, including postal, parcels, banking and financial products, express delivery services, document management and related activities. Co. operates through two business units: the Mail & Retail Solutions and the Parcels & International.

Financiere de Tubize SA is a Belgium-based holding company. The Company holds minor capital in UCB SA. UCB is a Belgian pharmaceutical and specialty chemical company that specializes in two therapeutic areas: diseases of the central nervous system (CNS) and immunology. UCB, together with its subsidiaries, has research and development facilities in Belgium, Germany, Japan, the United Kingdom and the United States.

Galapagos is a clinical-stage biotechnology company specialized in the discovery and development of small molecule medicines with novel modes of action, addressing disease areas of high unmet medical need. Execution on its proprietary drug target discovery platform has delivered a pipeline that consists of three Phase 2, three Phase 1, five pre-clinical, and 20 discovery programs in inflammation, cystic fibrosis, or CF, osteoarthritis, and other indications. Co.'s highly flexible platform offers applicability across a broad set of therapeutic areas. Co.'s programs include filgotinib, GLPG1837, GLPG1690, GLPG2222, GLPG1972.

Groupe Bruxelles Lambert is a holding company. Through its subsidiaries, Co. operates through the following segments: Imerys, which consists of the Imerys group that operates in four business lines of energy solutions and specialties, filtration and performance additives, ceramic materials, and high resistance minerals; and Financial Pillar, which includes, on the one hand, under investment activities, the companies Sienna Capital, Ergon Capital Partners (ECP), ECP II, ECP III, PAI Europe III, Sagard, Sagard II and Sagard III, Kartesia and Merieux Participations I and II and, on the other hand, under consolidated operating activities, the operating subsidiaries of ECP III.

Ontex Group NV is a Belgium-based company, which operates in the manufacturing sector of industry. The Company is a producer of disposable personal hygiene solutions for babies, women and adults. It offers a range of such products as baby diapers, baby pants, baby wet wipes, pads, pantyliners, tampons, light incontinence products, pull-ups, belt diapers, all-in-one tape systems, shaped pads and underpards. Its products are distributed through retail partner brands, as well as under its own brands (canbebe, canped, Helen Harper, Moltex, Baby Charm) across several distribution channels, such as retail trade, care institutions and pharmacies. The Company is present in Europe, Northern Africa, Australia and Asia.