49 - Manufacture of Heating, Cooling and Ventilating Systems
50 - Manufacture of General-Purpose Machinery and Spare Parts
51 - Manufacture of Special Purpose Machinery
52 - Manufacture of Motor Vehicles and By-Products
53 - Building of Ships
54 - Manufacture of Office and Store Furniture
55 - Manufacture of Home and Other Furniture
56 - Manufacture of Bijouterie and Jewelry