Official classification context
Industry overview This class comprises establishments principally engaged in manufacturing general purpose internal combustion engines. Establishments principally engaged in manufacturing automobile and motorcycle engines are classified under Major group 31 [3113], those that manufacture marine engines are classified under Major group 31 [3134], and those that manufacture aircraft engines are classified under Major group 31 [3142].
Major group context MACHINERY This Major group comprises establishments engaged in the manufacture of machinery which is in use incorporated in or attached to machinery for general purpose. The establishment engaged in manufacture of device to be attached to information and communication electronics equipment are classified in the Major group 30 -- Manufacture of information and communication electronics equipment, and those engaged in manufacturing electronics parts, device, circuit are classified in the Major group 28 -- Manufacture of electronics part, device and electronics circuit. Group Class Number Number