A.C.G.T (founded 2000)
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Duel Masters (episodes 1-26)
Ashi Productions (founded 1975)
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Brain's Base (founded 1996)
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CLAP Animation Studio (founded 2016, I think)
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Digital Frontier (founded 1993)
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The Fool (founded ?)
Hal Film Maker (founded 1993; defunct 2009)
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Oban Star-Racers (co-production with Sav! the World Productions and Pumpkin 3D)
Japan Vistec (founded ? defunct ?)
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Cyborg 009: The Cyborg Soldier
Kamikaze Douga (founded 2003)
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Batman Ninja
Star Wars: Visions ("The Duel")
Manglobe (founded 2002; defunct 2015)
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Mushi Production (founded 1961; defunct 1973; revived 1977)
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Astro Boy (1963)
Radix (founded 1995; defunct 2006)
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Android Kikaider: The Animation (co-production with Studio OX)
Science SARU (founded 2013)
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Star Wars: Visions ("T0-B1" and "Akakiri")
Shin-Ei Animation (founded 1976)
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Studio Chizu (founded 2011)
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Studio Hibari (founded 1979)
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SynergySP (founded 1998)
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Tezuka Productions (founded 1968)
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Astro Boy (2003)
Think Corporation (founded 1988; defunct ?)
ANN
TNK (founded 1999)
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Topcraft (founded 1971; defunct 1985; replaced by Studio Ghibli)
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Nausicaa of the Valley of the Wind
Trans Arts (founded 1967; defunct 2012)
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The Prince of Tennis (co-production with Production I.G)
Trigger (founded 2011)
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Star Wars: Visions ("The Twins" and "The Elder")
Visual Works (founded 1997; merged with Image Arts to form Square Enix Image Studio Division in 2021)
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Final Fantasy VII: Advent Children