Illuminating Engineering Society (IES) of Finland has worked for over 65 years as an independent organisation with lighting professionals and companies to promote the use of good and appropriate lighting. IES cooperates with similar organisations in other Nordic countries. It also actively collaborates with the International Commission on Illumination (CIE) and has representatives working with the European Committee for Standardization (CEN). IES has over 600 members including more than 500 individual and around 80 company and community members.