Warehousing and support activities for transportation Standard Industrial Classification (SIC) codes of UK-based importers and exporters 52101 - Operation of warehousing and storage facilities for water transport activities (967) 52102 - Operation of warehousing and storage facilities for air transport activities (937) 52103 - Operation of warehousing and storage facilities for land transport activities (19242) 52211 - Operation of rail freight terminals (82) 52212 - Operation of rail passenger facilities at railway stations (149) 52213 - Operation of bus and coach passenger facilities at bus and coach stations (467) 52219 - Other service activities incidental to land transportation, n.e.c. (6474) 52220 - Service activities incidental to water transportation (1646) 52230 - Service activities incidental to air transportation (2214) 52241 - Cargo handling for water transport activities (1693) 52242 - Cargo handling for air transport activities (2205) 52243 - Cargo handling for land transport activities (4688) 52290 - Other transportation support activities (32502)