- The Rebels
- THE SAFETY ZONE
- The Sapling
- The Siemon Company
- The Singing Machine
- The Source
- The Speaker Company
- The Swimsuit Dryer
- the t.akustik
- the t.amp
- the t.bone
- the t.mix
- The t.racks
- The Tile Doctor
- The Toro Company
- The Troll
- The Vinyl Works
- The Watt Stopper
- The Watt Stopper Inc.
- The Whistler Group
- THE WORLD MODELS
- The ZEN Factory Group (Asia)
- THE ·EQUIPMENT LOCK· CO
- Theater Solutions
- THEBEN
- Theben HTS
- thebenHTS
- Thecus
- Thecus Technology
- Thera Trainer
- Thera-Trainer
- TheraBand
- Therabeat
- Therabody
- Theragun
- Therapure
- TheraSauna
- THERM PRO
- Therma
- Therma-Stor
- Therma-Stor Products Group
- Therma-Tru
- Thermablaster
- ThermaCELL
- Thermador
- Thermador Deals
- THERMADYNE