| Catagories | Records | | Catagories | Records |
| Ice Cream - Equipment & Supplies | 36 | | Insulation Materials | 296 |
| Ice Cream Manufacturers & Suppliers | 308 | | Insurance Agents & Companies | 2310 |
| Ice Cream Parlours & Mobile Shops | 292 | | Insurance Brokers | 2430 |
| Ice Machines | 10 | | Insurance Services | 3134 |
| Ice Merchants | 65 | | Insurance, Friendly & Provident Societies | 86 |
| Identification Cards | 33 | | Interactive Broadcasting | 14 |
| Image Consultants | 111 | | Intercom Systems | 28 |
| Immigration Advice & Services | 20 | | Interior Designers & Furnishers | 2414 |
| Industrial Engineers | 133 | | Internet Cafes | 241 |
| Industrial Instrument & Apparatus Mnfrs | 54 | | Internet Publishers | 47 |
| Industrial Services | 74 | | Internet Service Providers | 129 |
| Information Services | 1335 | | Internet Services | 2569 |
| Inland Revenue | 187 | | Introduction Agencies | 142 |
| Insolvency Practitioners | 307 | | Investment Companies | 763 |
| Institutes - Professional | 191 | | Investment Consultants | 270 |
| Instrumentation Engineers | 180 | | Invoice Discounting | 15 |
| Insulation Installers | 560 | | Ironing & Home Laundry Services | 485 |
| Irrigation Systems | 96 | | | |
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