Morse Aircraft Corporation
Established at Ithaca, New York, in January 1917. Thomas brothers, backed by Morse Chain Company, built 100 S-4B single-seat biplane advanced trainers developed from Thomas S-4 prototype fighter, followed by 497 improved S-4Cs. 200 Morse MB-3A fighters built by Boeing 1921 -1922, in addition to 50 built by Thomas-Morse. O-19 two-seat observation aircraft built 1928-1931.
Thomas Brothers Aeroplane Co merged January 1917 with Morse Chain Company to form Thomas-Morse Aircraft Corporation