Mammoth Freighters LLC (Mammoth) was founded in December of 2020 by two top cargo conversion program executives – Bill Wagner and Bill Tarpley – specifically to design, develop, convert, and support the development of passenger to freighter conversions. The launch type is the Boeing 777 (both the 200 LR and 300 ER variants). The Mammoth converted 777 is one of the most productive and economical 777 long range freighters in the world. Mammoth, a Boeing Licensee for the Boeing 777, is developing a global production and conversion site network which will include its Ft. Worth, Alliance Texas Facility as well as additional conversion capacity planned at three other sites around the world. Mammoth is backed by private investment funds managed by Fortress Investment Group LLC and its affiliates. Mammoth is based in Orlando, Florida with engineering offices in Escondido, California and Seattle, Washington.