| 001 | Iron, steel and non-ferrous metal manufacture and smelting processing including foundry processes, investment casting, sinter plants and wire drawing. |
| 002 | Alloying. |
| 003 | Emission abatement for air, land and water. |
| 004 | Water and air filtration and purification. |
| 005 | Sewage treatment. |
| 006 | Production of energy. |
| 007 | Ceramic processes. |
| 008 | Refractory processes. |
| 009 | Manufacture of glass and glass products. |
| 010 | Manufacture of fibre glass. |
| 011 | Manufacture of man-made fibres. |
| 012 | Production of food and food processing e.g. sugar refining, production of gelatin. |
| 013 | Manufacture of plastics, rubber and PVC. |
| 014 | Chemical manufacturing e.g. soda ash, sea water magnesia, alumina. |
| 015 | Manufacture of precipitated calcium carbonate. |
| 016 | Manufacture of pharmaceuticals, bleaches, toiletries and detergents. |
| 017 | Aerating processes. |
| 018 | Manufacture of fillers for coating, sealants, adhesives, paints, grouts, mastics, putties and other binding or modifying media. |
| 019 | Manufacture of pigments, varnishes and inks. |
| 020 | Production of line markings for sports pitches. |
| 021 | Incineration. |
| 022 | Manufacture of desiccant. |
| 023 | Manufacture of carpet backing, underlay and foam. |
| 024 | Resin processes. |
| 025 | Manufacture of lubricant additives. |
| 026 | Leather tanning. |
| 027 | Paper manufacture. |
| 028 | Production of art materials. |
| 029 | Production of play sand e.g. for children’s sand pits. |
| 030 | Clay pigeon manufacture. |
| 031 | Abrasive processes: specialist sand blasting, iron free grinding (pebble mills) and sandpaper manufacture. |
| 032 | Use as proppart in oil exploration e.g. fracture sands and drilling fluids. |
| 033 | Flue gas desulphurisation and flue gas scrubbing. |
| 034 | Manufacture of mine suppressant. |
| 035 | Manufacture of fire extinguishers. |
| 036 | Manufacture of materials used for fireproofing. |
| 037 | Acid neutralisation. |
| 038 | Manufacture of friction materials e.g. automotive. |
