- Takeout Restaurant
- Technical service
- Training school
- Trucking company
- Tennis instructor
- Television repair service
- Technology museum
- Telemarketing service
- Television station
- Telephone exchange
- Telephone answering service
- Taxi service
- Tax consultant
- Thermal baths
- Tennis store
- Transcription service
- Traffic officer
- Truck rental agency
- Tax collector's office
- Transportation escort service