| 811 | Iron Chromium Aluminium Wire | Company Product |
| 812 | Iron Oxide | Company Product |
| 813 | Iron | Company Product |
| 814 | Irish Delicacies | Company Product |
| 815 | Irish Eateries | Company Product |
| 816 | Irish Restaurants | Company Product |
| 817 | Irish Food | Company Product |
| 818 | Ion Exchange Resins | Company Product |
| 819 | Irish Cuisines | Company Product |
| 820 | Irish Bistros | Company Product |
| 821 | Ion Meters | Company Product |
| 822 | Iodoform | Company Product |
| 823 | Investment Companies | Company Product |
| 824 | Iodine Quartz Lights | Company Product |
| 825 | Investment Securities | Company Product |
| 826 | Iodine | Company Product |
| 827 | Inventory Software | Company Product |
| 828 | Inventory Service | Company Product |
| 829 | Inverted Microscopes | Company Product |
| 830 | Intrusion Detection Systems | Company Product |
| 831 | Intruder Alarms | Company Product |
| 832 | Interpretation Service | Company Product |
| 833 | Internet Service Provider | Company Product |
| 834 | International Restaurants | Company Product |
| 835 | International Procurement Office | Company Product |
| 836 | Intravenous Solution Manufacturers | Company Product |
| 837 | Interior Decoration | Company Product |
| 838 | Interior Designers Supplies | Company Product |
| 839 | Integrators | Company Product |
| 840 | Interchangeable Signs | Company Product |