- Tuya
- Tuzio
- Tuzmi
- TV Ears
- TV One
- TV STAR
- TVCMALL
- Tve
- Tview
- Tvilum
- TVIX
- TVLogic
- tvONE
- TVonics
- TVS
- TVS electronic
- TVS electronics
- TVT
- TVX
- TW Audio
- TW Steel
- twall
- twaudio
- TWEAK
- Tweco
- Tweco Robotics
- Tweco Spool Gun
- Twelve South
- TWIG
- Twiins
- Twilight
- Twin City Fan
- Twin Eagles
- Twin Star
- Twin Star Home
- Twin-Star International
- Twinco
- Twinhead
- Twinhead International
- Twinkly
- Twinmos
- TwinMOS Technologies
- Twinny Load
- TwinPro International Holdings
- Twinstar Home
- twintex
- Twist