OEM foundation dates back to 1973, near Mantua; its promoter immediately guessed the remarkable potential of pizza business and during 1977, he started producing a new series of electric pizza ovens and spiral kneading machines, in order to widen the Company’s range. During 1980, OEM planned and patented its first circular pizza formers developing in this way a comprehensive pizza production industrialization range, which is nowadays contained in their consolidated "Pizza system".