|
| 2691 | 3610 | | Manufacture of non-structural non-refractory ceramic ware (pottery, china, and earthenware) | |
| 2692 | 3691 | * | Manufacture of refractory clay products | |
| | 3699 | * | Manufacture of non-clay refractory products | |
| 2693 | 3691 | * | Manufacture of structural non-refractory clay and ceramic products | |
| 2694 | 3692 | | Manufacture of cement, lime and plaster | |
| 2695 | 3699 | * | Manufacture of articles of concrete, cement and plaster | |
| 2696 | 3699 | * | Cutting, shaping and finishing of stone (not at quarry) | |
| 2699 | 3411 | * | Manufacture of asbestos paper | |
| | 3540 | * | Manufacture of asphalt products | |
| | 3699 | * | Manufacture of asbestos products; friction materials; mineral insulating materials; grindstones, abrasive products; articles of mica, graphite or other mineral substances n.e.c. | |
| 2710 | 3710 | * | Manufacture of primary iron and steel products (excluding forging and casting operations) | |
| | 3819 | * | Manufacture of pipe fittings of iron and steel | |
| 2720 | 3699 | * | Manufacture of cermets | |
| | 3720 | * | Manufacture of primary products of precious and non-ferrous metal (excluding forging and casting operations) | |
| | 3819 | * | Manufacture of pipe fittings of non-ferrous metal; non-ferrous wire and cable from purchased rod | |
| 2731 | 3710 | * | Casting of iron and steel | |
| 2732 | 3720 | * | Casting of non-ferrous metals | |
| 2811 | 3813 | * | Manufacture of structural metal products | |
| 2812 | 3813 | * | Manufacture of metal reservoirs and tanks for storage and manufacturing use; central heating boilers | |
| | 3819 | * | Manufacture of radiators, metal containers for compressed and liquefied gas | |
| 2813 | 3813 | * | Manufacture of steam generators, except central heating hot water boilers | |
| | 3824 | * | Manufacture of parts for nuclear reactors | |
| 2891 | 3710 | * | Forging of iron and steel | |
| | 3720 | * | Forging of precious and non-ferrous metals | |
| | 3811 | * | Blacksmithing, hand forging of metal products | |
| | 3819 | * | Pressing, stamping of metal products | |
| 2892 | 3710 | * | Treatment and specialized operation on iron and steel, on a fee or contract basis | |
| | 3720 | * | Treatment and specialized operation on precious and non-ferrous metals, on a fee or contract basis | |
| | 3819 | * | Treatment and coating of metal (e.g. plating, polishing, engraving, welding), on a fee or contract basis | |
| | 3829 | * | Machine shop work: machining, tooling and fabricating including repairs | |
| | 3901 | * | Plating, engraving etc. of jewellery and silverware for the trade | |
| 2893 | 3811 | * | Manufacture of metal household articles (knives, utensils, etc.); hand tools for agriculture, gardening; tools used by plumbers, carpenters, other trades; locks and general hardware | |
| | 3823 | * | Manufacture of attachments and accessories for machine tools (whether or not power-operated) | |
| 2899 | 3240 | * | Manufacture of shoe clasps and buckles | |
| | 3811 | * | Manufacture of hand-operated kitchen appliances | |
| | 3812 | * | Manufacture of metal goods for office use (excluding furniture) | |
| | 3813 | * | Manufacture of furnace casings, laundry trays, and similar sheet metal products | |
| | 3819 | * | Manufacture of metal fasteners, springs, containers, wire articles, metal sanitary ware (e.g. sinks), kitchen ware, safes, picture frames, headgear | |
| | 3829 | * | Manufacture of weather vanes, ship propellers and metal pallets, flexible tubing and hose | |
| | 3901 | * | Manufacture of precious metal plated ware | |