Fagron supplies products, services to professionals and institutions in the healthcare sector in Europe, the U.S.A. and Brazil. Co.'s activities are subdivided into four divisions. Through Fagron, Co. offers products and concepts for pharmaceutical compounding. Through Arseus Dental, Co. supplies dental products and concepts to dentists and dental laboratories in Belgium, the Netherlands, France, Germany and Switzerland. Through Arseus Medical, Co. supplies medical and surgical products to specialists, elderly homes, homecare nurses and hospitals in Belgium and the Netherlands. Through Corilus, Co. supplies ICT total solutions for medical specialists in Belgium, the Netherlands and France.

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.

Royal Vopak is a holding company. Via its subsidiaries, Co. acts as a tank storage provider for the oil and chemical industry. Co. operates a network of terminals located at locations along trade routes. Co. also provides a range of additional services, from loading and unloading a range of transport modalities to heating, cooling, blending and customs formalities. The customers Co. serves range from global to local clients and include national and global producers, governments, distributors and traders of liquid and gaseous bulk products. Co.'s customers are active in the production, trading and marketing of oil products, chemicals, gases, biofuels, edible oils and liquefied natural gas.

Telenet Group Holding is a holding company. Through its subsdiairies and its broadband network, Co. is engaged in the provision of cable television, including television services, broadband internet and telephony services to residential subscribers in Flanders and certain communes in Brussels as well as broadband internet, data and voice services in the business market throughout Belgium and parts of Luxembourg. In addition, Co. is engaged in the provision of mobile telephony services through a mobile virtual network operator partnership with Mobistar NV.

UCB is a global biopharmaceutical company focused on severe diseases in two therapeutic areas, namely central nervous system disorders and immunology. In the area of central nervous system disorders, Co. is focused on advanced Parkinson's disease, epilepsy, restless legs syndrome and epilepsy. In the area of immunology disorders, Co. is focused on rheumatoid arthritis, axial spondyloarthritis, psoriatic arthritis, systemic lupus erythematosus, juvenile idiopathic arthritis, post-menopausal osteoporosis, systemic lupus erythematosus and immunological diseases.