| 811 | Inverter Varispeed Repair Services | Company Product |
| 812 | Inverter Varispeed Repairs | Company Product |
| 813 | Inverter Welder | Company Product |
| 814 | Inverter Welding Machines | Company Product |
| 815 | Inverters | Company Product |
| 816 | Inverters Ac Drives | Company Product |
| 817 | Investigators | Company Product |
| 818 | Investment Castings | Company Product |
| 819 | Investment Companies | Company Product |
| 820 | Investment Consultants | Company Product |
| 821 | Investment Management | Company Product |
| 822 | Investment Securities | Company Product |
| 823 | Invitation Card | Company Product |
| 824 | Invoice Digitisation | Company Product |
| 825 | Invoice Printing | Company Product |
| 826 | Invoices | Company Product |
| 827 | Invt Accessories | Company Product |
| 828 | Io | Company Product |
| 829 | Iodine | Company Product |
| 830 | Iodine Quartz Lights | Company Product |
| 831 | Iodoform | Company Product |
| 832 | Ion | Company Product |
| 833 | Ion Analysers | Company Product |
| 834 | Ion Chromatography Testing | Company Product |
| 835 | Ion Concentration Analyzer | Company Product |
| 836 | Ion Exchange | Company Product |
| 837 | Ion Exchange Resin | Company Product |
| 838 | Ion Exchange Resins | Company Product |
| 839 | Ion Exchangers | Company Product |
| 840 | Ion Meters | Company Product |