- Make (Years In Operation) – Plant
-
- Models
- Jackson (1903-1923) – Jackson, MI
- 6-38
- Jacquet Flyer (1920) – Belding, MI
- No models named
- Jaeger (1932-1933) – Belleville, MI
- Six
- Jewett (1922-1927) – Detroit, MI
- Six
- New-Day
- Jones (1914-1920) – Wichita, KS
- Six
- Jordan (1917-1931) – Cleveland, OH
- M
- F
- MX
- H
- L
- R
- Line Eight
- Great Line Eight
- 6RE
- 8JE
- 8T
- 8G
- 80
- 90
- Julian (1918, 1925) – Syracuse, NY
- No models named
- Models