| 781 | Interlocking Boxes | Company Product |
| 782 | Interlocking Bricks | Company Product |
| 783 | Interlocking Device Valves | Company Product |
| 784 | Intermediate Metal Conduit | Company Product |
| 785 | Internal Combustion Engine Oil | Company Product |
| 786 | Internal Combustion Forklift | Company Product |
| 787 | Internal Combustion Trucks | Company Product |
| 788 | Internal Gear Pumps | Company Product |
| 789 | Internal Gears | Company Product |
| 790 | Internal Grinder | Company Product |
| 791 | Internal Grinding Machines | Company Product |
| 792 | Internal Honing Machines | Company Product |
| 793 | Internal Paintings | Company Product |
| 794 | Internal Sensor | Company Product |
| 795 | Internal Telephone Wiring For Telecommunications | Company Product |
| 796 | International | Company Product |
| 797 | International Procurement Office | Company Product |
| 798 | International Restaurants | Company Product |
| 799 | International School | Company Product |
| 800 | Internet Hosting | Company Product |
| 801 | Internet Marketing Service | Company Product |
| 802 | Internet Service Provider | Company Product |
| 803 | Interpretation Service | Company Product |
| 804 | Interval Timers | Company Product |
| 805 | Interview | Company Product |
| 806 | Intimate Wash | Company Product |
| 807 | Intravenous Solution Manufacturers | Company Product |
| 808 | Intrinsic Safety | Company Product |
| 809 | Intrinsic Safety Interface Controls | Company Product |
| 810 | Intrinsically Safe System | Company Product |