| 96220 | Theatre performances, production and presentation of | |
| 96210 | Theatre performances, promotion and organization of | |
| 96111 | Theatre, gathering and cataloguing noises and sounds for use in | |
| 54129 | Theatres, general construction of | |
| 96151 | Theatres, movie, projection of motion pictures in | |
| 96152 | Theatres, movie, projection of video tapes in | |
| 96230 | Theatres, operation of including ticket services | |
| 72122 | Theatres, own-account sales of | |
| 72112 | Theatres, rental or leasing of | |
| 85990 | Theatrical agents, services of | |
| 85990 | Theatrical booking services | |
| 85990 | Theatrical casting services | |
| 96149 | Theatrical coaching services | |
| 85250 | Theft, guarding of commercial property against | |
| 85250 | Theft, guarding of industrial property against | |
| 85250 | Theft, guarding of private property against | |
| 85210 | Theft, private investigation of cases relating to | |
| 54650 | Thermal insulation services | |
| 86422 | Thermal spraying, metallic coating by | |
| 86370 | Thermosetting plastic parts manufacturing services | |
| 86111 | Thinning of crops | |
| 86140 | Thinning services, forest | |
| 86370 | Threading of plastic surfaces | |
| 67510 | Tickets, bus, sales of | |
| 67400 | Tickets, railway, sales of | |
| 67811 | Tickets, travel, sales of, on a fee or contract basis | |
| 54790 | Tiles, acoustic, application of | |
| 54740 | Tiles, ceramic, laying of | |
| 54740 | Tiles, concrete, laying of | |
| 54740 | Tiles, stone, laying of | |
| 54740 | Tiling of floors | |
| 54740 | Tiling of walls | |
| 86140 | Timber valuation services | |
| 86330 | Timber, drying of | |
| 83115 | Time and motion studies, consulting services concerning | |
| 96620 | Timekeepers, services of | |
| 71339 | Title insurance policies, underwriting of | |
| 96142 | Title printing of motion picture films | |
| 96142 | Title printing of motion picture video tapes | |
| 73230 | Toasters, rental or leasing of | |