| 811 | Interior Wall Sealers | Company Product |
| 812 | Interior Wood Finishings | Company Product |
| 813 | Interior Wood Paints | Company Product |
| 814 | Interlligent Lathes | Company Product |
| 815 | Interlock Linkage Systems | Company Product |
| 816 | Interlocked Conduit | Company Product |
| 817 | Interlocking | Company Product |
| 818 | Interlocking Boxes | Company Product |
| 819 | Interlocking Bricks | Company Product |
| 820 | Interlocking Device Valves | Company Product |
| 821 | Intermediate Metal Conduit | Company Product |
| 822 | Internal Combustion Engine Oil | Company Product |
| 823 | Internal Combustion Forklift | Company Product |
| 824 | Internal Combustion Trucks | Company Product |
| 825 | Internal Gear Pumps | Company Product |
| 826 | Internal Gears | Company Product |
| 827 | Internal Grinder | Company Product |
| 828 | Internal Grinding Machines | Company Product |
| 829 | Internal Honing Machines | Company Product |
| 830 | Internal Paintings | Company Product |
| 831 | Internal Sensor | Company Product |
| 832 | Internal Telephone Wiring For Telecommunications | Company Product |
| 833 | International | Company Product |
| 834 | International Procurement Office | Company Product |
| 835 | International Restaurants | Company Product |
| 836 | International School | Company Product |
| 837 | Internet Hosting | Company Product |
| 838 | Internet Marketing Service | Company Product |
| 839 | Internet Service Provider | Company Product |
| 840 | Interpretation Service | Company Product |