| taxi cab | taxi cab service | tax return preparation services |
| telephone communication | television | television broadcasting companies |
| television repairs | television service | temporary employment agencies |
| testing laboratory | textile machinery | thai restaurant |
| theater | tile ceramic | tire dealers |
| tire retreading | tobacco dealers | tool maker |
| tool parts | tour operators | trade schools |
| trailer park | transmissions-automobile | transportation services |
| trauma surgeons | travel accommodation | travel agency |
| travel agent | travel industry | tree service |
| trucking | truck rental | turbine |
| tv communication equipment | typesetting |
