- Make (Years In Operation) – Plant
-
- Models
- Templar (1917-1924) – Cleveland, OH
- 4-45
- Six
- Terraplane (1933-1937) – Detroit, MI
- K
- KU
- KT
- KS
- GU
- G
- 62
- 61
- 72
- 71
- Texan (1920-1922) – Fort Worth, TX
- A-38
- B-38
- Texmobile (19201-1921) – Grand Prairie, TX
- Four
- Thomas (1939) – Batavia, NY
- No models listed
- Totem (1921-1922) – Seattle, WA
- No models listed
- Trask Steam (1922-1923) – Detroit, MI
- No models listed
- Tulsa (1917-1922) – Tulsa, OK
- E
- Models
