10 Tanker Air Carrier
21Air
TAG Airlines
Tahoe Air
Talkeetna Air Taxi
Taos Air (Ultimate JetCharters)
Taquan Air
Ted (United Airlines)
Tejas Airlines
Tempelhof Airways USA
Temsco Airlines
Tennessee Airways
Texas Airlines
Texas International Airlines
Texas National Airlines
The Lord's Airline
Thunderbird Flying Service
TigerAir (USA)
Ting Tai Air
TolAir Services
Total Air (USA)
Tower Air
TPI International Airways
Tradewinds (Puerto Rico)
TradeWinds Airlines (2nd)
Tradewinds and Western Air
Trans-Air-Link - TAL
Trans-Central Airlines
Trans-Colorado Airlines
Trans-New England
Trans-Texas Airways - TTa
Trans Air
Transair (Hawaii)
Transamerica Airlines
Trans American Charter
Trans Atlantic Airlines
Trans California Airlines (1st)
Trans Caribbean Airways
Trans Continental Airlines-TCA (1st)
Trans Continental Airlines-TransCon (2nd)
Trans Florida Airlines-TFA
Trans Global Airlines-TGA (2nd)
Trans Global Vacations (Ryan International)
Trans International Airlines (2nd)
Trans International Airlines-TIA (1st)
Trans Island Airways - TIA (USA)
TransMeridian Airlines-TMA
TransNorthern Aviation