- Tradehome Shoes
- Trader Distribution Services
- Trader Joe's
- Trader Publishing
- Trader Publishing Company
- Traders
- Tradesource
- Tradewinds Apartments
- Tradewinds Motel
- Traditional Bakery
- Traffic Shoes
- Trailer Connection
- Trailer World
- Trail's End
- Trail's End Motel
- Trailways Bus System
- Training Camp
- Trammell Crow
- Trammell Crow Company
- Trane Parts Center
- Tranquility
- Trans Health Referral Line
- Trans Tech
- Transaction Network Services
- Transamerica Life Companies
- Transamerica Occidental Life Insurance
- Transamerica Occidental Life Insurance Company
- Transamerican Auto Parts CO
- Trans-American Tire
- Transcendental Meditation Program
- Transcontinental Lending Group
- Transcore
- Transitional Services
- Transland Financial Services
- Transmission Center
- Transmission Clinic
- Transmission Exchange
- Transmission Shop
- Transmission Specialist