Realco SA is a Belgium-based company that specializes in the environmental biotechnology. The Company develops products primarily for the cleaning, waste water treatment and animal husbandry sectors. The Company creates enzyme-based products based on biotechnological research, through its own research and development department. Its product portfolio comprises cleaning agents for both professional and private users, for the kitchen, the food industry and the cleansing of industrial installations, among others. Its products for private users are sold under the Realco, Oxygen and Opal brand names in supermarkets and department stores. The Company's main shareholder as of March 31, 2010, was Oxygen with 39.83% of total share capital.