ICAO Airline Designator & Telephony
TRANS STATES AIRLINES, INC. D/B/A TRANS WORLD EXPRESS
US TRANSPORTATION COMMAND
TEXAS NATIONAL AIRLINES (SAN ANTONIO, TX)
LOCKHEED MARTIN AERONAUTICS (FORT WORTH, TX)
PHELPS COLLINS AVIATION D/B/A AVIATION NORTH (ALPENA, MI)
INNOVATION FIRST
