Founded in 1937, CITEL is an industrial group that designs, develops and markets surge protection solutions for electrical, information and telephone equipment, as well as photovoltaic installations. Such solutions have been developed through the research and development of components (e.g. gas arresters) and all series of surge protection devices to always meet the market requirements. CITEL is the world leader in lightning protection. The company has its own factories in France and China, as well as commercial subsidiaries in Germany, the USA, China and Eastern Europe.