| Tailors |
| Take Away Food Shops |
| Tattooing & Piercing |
| Tax Consultants |
| Taxis & Private Hire |
| Tea & Coffee Merchants |
| Telecommunication Services |
| Telecommunications Equipment & Systems |
| Telephone Answering Services & Message Centres |
| Television Production Services |
| Television & Radio Aerials - Suppliers & Erectors |
| Television, Video & Radio Servicing |
| Television, Video & Radio Shops |
| Television, Video & Teletext Rental |
| Testing, Inspection & Calibration Services |
| Textile Manufacturing |
| Textile Merchants & Agents |
| Theatre Companies |
| Theatres & Concert Halls |
| Theatrical Agencies |
| Theatrical Costumes, Equipment & Supplies |
| Ticket Agencies |
| Tiling Contractors - Wall, Floor & Ceiling |
| Timber Merchants, Importers & Agents |
| Time Recording Machines |
| Tobacconists & Confectioners - Wholesale |
| Tobacconists - Retail |
| Toning Studios |
| Tool Design, Mnfrs & Makers |
| Tool Merchants |
| Tour Operators |
| Tourist Information |
| Toy Shops |
| Toys, Games & Sporting Goods - Mnfrs |
| Trade Unions |
| Traffic Management Systems |
| Training Centres |
| Training Consultants |
| Training Services |
| Transformer Mnfrs |
| Translators & Interpreters |
| Travel Agents & Holiday Companies |
| Tree Work & Forestry Services |
| Trichologists |
| Trimmers & Trimmings |
| Trophies, Medals & Rosettes |
| Tuition - Private |
| Turfing Contractors & Turf Supplies |
| Typesetters |
| Tyre Dealers |
| Tyre Manufacturing Equipment |
| Tyre Wholesalers |
| T-Shirts |
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