Businesses involved in the the following industries (as defined by the SIC Codes 2007) can use the ProQuin product as defined in the table below.
| Options |
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 |
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| 28 Manufacture of machinery and equipment n.e.c. |  | | |
| 28.1 Manufacture of general purpose machinery | | | |
| 28.11 Manufacture of engines and turbines, except aircraft, vehicle and cycle engines | | | |
| 28.12 Manufacture of fluid power equipment | | | |
| 28.13 Manufacture of other pumps and compressors | | | |
| 28.13/1 Manufacture of pumps | | | |
| 28.13/2 Manufacture of compressors | | | |
| 28.14 Manufacture of other taps and valves | | | |
| 28.15 Manufacture of bearings, gears, gearing and driving elements | | | |
| 28.2 Manufacture of other general-purpose machinery | | | |
| 28.21 Manufacture of ovens, furnaces and furnace burners | | | |
| 28.22 Manufacture of lifting and handling equipment | | | |
| 28.23 Manufacture of office machinery and equipment (except computers and peripheral equipment) | | | |
| 28.24 Manufacture of power-driven hand tools | | | |
| 28.25 Manufacture of non-domestic cooling and ventilation equipment | | | |
| 28.29 Manufacture of other general-purpose machinery n.e.c. | | | |
| 28.3 Manufacture of agricultural and forestry machinery | | | |
| 28.30 Manufacture of agricultural and forestry machinery | | | |
| 28.30/1 Manufacture of agricultural tractors | | | |
| 28.30/2 Manufacture of agricultural and forestry machinery (other than agricultural tractors) | | | |
| 28.4 Manufacture of metal forming machinery and machine tools | | | |
| 28.41 Manufacture of metal forming machinery | | | |
| 28.49 Manufacture of other machine tools | | | |
| 28.9 Manufacture of other special-purpose machinery | | | |
| 28.91 Manufacture of machinery for metallurgy | | | |
| 28.92 Manufacture of machinery for mining, quarrying and construction | | | |
| 28.92/1 Manufacture of machinery for mining | | | |
| 28.92/2 Manufacture of earthmoving equipment | | | |
| 28.92/3 Manufacture of equipment for concrete crushing and screening roadworks | | | |
| 28.93 Manufacture of machinery for food, beverage and tobacco processing | | | |
| 28.94 Manufacture of machinery for textile, apparel and leather production | | | |
| 28.95 Manufacture of machinery for paper and paperboard production | | | |
| 28.96 Manufacture of plastics and rubber machinery | | | |
| 28.99 Manufacture of other special-purpose machinery n.e.c. | | | |
- Likely that business type can use this version of ProQuin