Hasbro
Generation 1 (1984-1992)
Generation 2 (1993-1995)
Beast Wars Transformers (1996-1999)
Beast Machines Transformers (1999-2000)
Machine Wars
Transformers Robots In Disguise (2001-2002)
Transformers Commemorative Series
Transformers Armada (2002-2003)
Transformers Alternators (2003-2006)
Transformers Energon (2004-2005)
Transformers Cybertron (2005-2006)
Transformers Classics (2006-2007)
Transformers 20th Anniversary Edition
BotCon Convention Exclusives
Transformers (Movie) (2007-2008)
Transformers: Animated (2008-present)
Transformers Universe (2006- Present)
Transformers: Revenge of the Fallen (2009)

Takara/TakaraTomy
Fight! Super Robot Life! (1985-1986)
Transformers 2010 (1986-1987)
Transformers Headmasters (1987)
Transformers Super-God Masterforce (1988)
Transformers Victory (1989)
Transformers Zone (1990)
Beast Wars (1997)
Beast Wars II (1998)
Beast Wars Neo (1998)
Beast Wars Metals (1999)
Car Robots (2000)
Transformers Collection (2002-2005)
Transformers Micron Legend (2003)
Transformers Binaltech (2003-present)
Beast Wars Returns (2004)
Transformers Superlink (2004)
Transformers Masterpiece (2004-present)
Transformers Galaxy Force (2005)
Robot Masters
KISS Players
Transformers Encore
Transformers Henkei