Groupe SEB UK (owner of Krups, Moulinex, Rowenta, and Tefal) is next to Windsor & Eton Riverside railway station and near the castle (previously next to Langley railway station until 2012). CA Technologies UK is at Ditton Park in Datchet, home of the former Radio Research Station until 1979, which discovered the ionosphere in the 1920s. Ledco, near B3020/A329 junction in Sunninghill and Ascot, is the UK distributor of LED Lenser torches, made by Zweibrüder Optoelectronics.