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 |
 |
 |
 |
| 49 Land transport and transport via pipelines |  |  |  |
| 49.1 Passenger rail transport, interurban |  |  |  |
| 49.10 Passenger rail transport, interurban |  |  |  |
| 49.2 Freight rail transport |  |  |  |
| 49.20 Freight rail transport |  |  |  |
| 49.3 Other passenger land transport |  |  |  |
| 49.31 Urban and suburban passenger land transport |  |  |  |
| 49.31/1 Urban, suburban or metropolitan area passenger railway transportation by underground, metro and similar systems |  |  |  |
| 49.31/9 Urban, suburban or metropolitan area passenger land transport other than railway transportation by underground, |  |  |  |
| 49.32 Taxi operation |  |  |  |
| 49.39 Other passenger land transport n.e.c. |  |  |  |
| 49.4 Freight transport by road and removal services |  |  |  |
| 49.41 Freight transport by road |  |  |  |
| 49.42 Removal services |  |  |  |
| 49.5 Transport via pipeline |  |  |  |
| 49.50 Transport via pipeline |  |  |  |
| 50 Water transport |  |  |  |
| 50.1 Sea and coastal passenger water transport |  |  |  |
| 50.10 Sea and coastal passenger water transport |  |  |  |
| 50.2 Sea and coastal freight water transport |  |  |  |
| 50.20 Sea and coastal freight water transport |  |  |  |
| 50.3 Inland passenger water transport |  |  |  |
| 50.30 Inland passenger water transport |  |  |  |
| 50.4 Inland freight water transport |  |  |  |
| 50.40 Inland freight water transport |  |  |  |
| 51 Air transport |  |  |  |
| 51.1 Passenger air transport |  |  |  |
| 51.10 Passenger air transport |  |  |  |
| 51.10/1 Scheduled passenger air transport |  |  |  |
| 51.10/2 Non-scheduled passenger air transport |  |  |  |
| 51.2 Freight air transport and space transport |  |  |  |
| 51.21 Freight air transport |  |  |  |
| 51.22 Space transport |  |  |  |
| 52 Warehousing and support activities for transportation |  |  |  |
| 52.1 Warehousing and storage |  |  |  |
| 52.10 Warehousing and storage |  |  |  |
| 52.10/1 Operation of warehousing and storage facilities for water transport activities of division 50 |  |  |  |
| 52.10/2 Operation of warehousing and storage facilities for air transport activities of division 51 |  |  |  |
| 52.10/3 Operation of warehousing and storage facilities for land transport activities of division 49 |  |  |  |
| 52.2 Support activities for transportation |  |  |  |
| 52.21 Service activities incidental to land transportation |  |  |  |
| 52.21/1 Operation of rail freight terminals |  |  |  |
| 52.21/2 Operation of rail passenger facilities at railway stations |  |  |  |
| 52.21/3 Operation of bus and coach passenger facilities at bus and coach stations |  |  |  |
| 52.21/9 Other service activities incidental to land transportation, n.e.c. |  |  |  |
| 52.22 Service activities incidental to water transportation |  |  |  |
| 52.23 Service activities incidental to air transportation |  |  |  |
| 52.24 Cargo handling |  |  |  |
| 52.24/1 Cargo handling for water transport activities of division 50 |  |  |  |
| 52.24/2 Cargo handling for air transport activities of division 51 |  |  |  |
| 52.24/3 Cargo handling for land transport activities of division 49 |  |  |  |
| 52.29 Other transportation support activities |  |  |  |
| 53 Postal and courier activities |  |  |  |
| 53.1 Postal activities under universal service obligation |  |  |  |
| 53.10 Postal activities under universal service obligation |  |  |  |
| 53.2 Other postal and courier activities |  |  |  |
| 53.20 Other postal and courier activities |  |  |  |
| 53.20/1 Licensed Carriers |  |  |  |
| 53.20/2 Unlicensed Carriers |  |  |  |