Compagnie de l'Industrie Électrique et Mécanique (CIEM) was a Swiss automobile manufacturer based in Geneva, active from 1902 to 1905. The company initially focused on electric equipment and began producing electric motors and internal combustion engines for vehicles made by other manufacturers starting in 1901. CIEM gained recognition for its early steam tricycle, the Thury-Nussberg, which was notable for its high top speed of 25 mph (40 km/h)…