| 91133 | Information services, construction | |
| 91135 | Information services, distributive trade | |
| 91132 | Information services, energy | |
| 91131 | Information services, forestry | |
| 91132 | Information services, fuel | |
| 91135 | Information services, hotel | |
| 91131 | Information services, hunting and fishing | |
| 91133 | Information services, manufacturing | |
| 91133 | Information services, mineral resource | |
| 91133 | Information services, mining | |
| 91137 | Information services, multi-purpose development project | |
| 91290 | Information services, public order and safety | |
| 91135 | Information services, restaurant | |
| 91135 | Information services, storage and warehousing | |
| 91136 | Information services, tourism | |
| 85562 | Information services, tourist | |
| 91134 | Information services, transportation | |
| 85562 | Information services, travel | |
| 83111 | Information systems, management, consulting services concerning | |
| 81129 | Information technology, research and experimental development concerning | |
| 88743 | Infrared devices (e.g. remote controls) manufacturing services | |
| 88756 | Infra-red lamps, fixtures and bulbs manufacturing services | |
| 48122 | Infrared ray medical apparatus | |
| 97290 | Infrared rays, non-therapeutic treatment with | |
| 41413 | Ingot-bars, copper | |
| 41431 | Ingots, aluminium | |
| 41603 | Ingots, antimony | |
| 41603 | Ingots, bismuth | |
| 41601 | Ingots, cobalt | |
| 41413 | Ingots, copper | |
| 41602 | Ingots, germanium | |
| 41320 | Ingots, gold, non-monetary | |
| 41121 | Ingots, iron | |
| 41601 | Ingots, magnesium | |
| 41601 | Ingots, molybdenum | |
| 41422 | Ingots, nickel | |
| 39350 | Ingots, obtained by the remelting of scrap of alloy steel | |
| 39350 | Ingots, obtained by the remelting of scrap of cast iron or pig-iron | |
| 39350 | Ingots, obtained by the remelting of stainless steel | |
| 39350 | Ingots, obtained by the remelting of tinned iron | |