Established in 1982, Studio Mark (スタジオマーク) is one of many (little-known) Japanese animation support studios.
Credits include:
- A Channel (2nd Key & In-Between Animation)
- Active Raid (2nd Key Animation)
- Ah! My Goddess (In-Between Assistance; Final Line, 2005 series)
- Ai Yori Aoshi (Key & In-Between Animation)
- Aikatsu! (2nd Key & In-Between Animation)
- Akahori Gedou Hour Lovege (Key Animation)
- AKB0048 (2nd Key Animation)
- All-Purpose Cultural Cat Girl Nuku Nuku (Key & In-Between Animation for the TV Series and DASH)
- Amagami SS (Key & In-Between Animation)
- Angel Beats! (2nd Key Animation)
- Argento Soma (Key Animation)
- Aria the Scarlet Ammo AA (2nd Key Animation)
- Armor Hunter Mellowlink (Key Animation)
- Assassination Classroom (2nd Key Animation)
- Attack on Titan (2nd Key & In-Between Animation)
- Bakemonogatari (2nd Key Animation)
- Bakugan (Key Animation, Gundalian Invaders)
- Basquash! (2nd Key Animation)
- Battle Spirits Shonen Toppa Bashin (2nd Key Animation)
- Battle Spirits Shonen Gekiha Dan (2nd Key Animation)
- The Big O (Key Animation)
- Black Cat (In-Between Animation)
- Black God (2nd Key & In-Between Animation)
- Black Lagoon: The Second Barrage (Key Animation)
- Blade of the Immortal (In-Between Animation)
- Bleach (2nd Key Animation; Animation)
- Blood: The Last Vampire (In-Between Animation)
- Blood+ (2nd Key Animation)
- Blue Exorcist (2nd Key & In-Between Animation)
- Blue Seed (Animation)
- Bodacious Space Pirates (In-Between Animation)
- Boogiepop Phantom (Key Animation)
- Book of Bantorra (2nd Key Animation)
- Brave Exkaiser (In-Between Animation)
- The Brave Express Might Gaine (In-Between Animation)
- The Brave Fighter of Legend Da-Garn (In-Between Animation)
- The Brave of Gold Goldran (In-Between Animation)
- Brave Police J-Decker (In-Between Animation)
- Brave Story (Animation)
- Btooom! (Key Animation)
- Bubblegum Crisis: Tokyo 2040 (Animation)
- Burn Up! (animation)
- Burn Up Excess (Key & In-Between Animation)
- Buso Renkin (Key Animation)
- Burst Angel (Key Animation)
- [C] – Control (2nd Key Animation)
- Campione! (2nd Key Animation)
- Canaan (2nd Key, Key & In-Between Animation)
- Case Closed (Key Animation)
- Casshern Sins (Key Animation)
- Cat Planet Cuties (2nd Key Animation)
- Chousoku Henkei Gyrozetter (2nd Key Animation)
- Chrome Shelled Regios (2nd Key, Key & In-Between Animation)
- Chrono Crusade (Key, 2nd Key & In-Between Animation)
- Code:Breaker (2nd Key & In-Between Animation)
- Code Geass (Key & In-Between Animation)
- Corpse Princess (2nd Key Animation; In-Between Assistance)
- Cross Ange (2nd Key Animation)
- Crush Gear Nitro (In-Between Animation)
- Cuticle Detective Inaba (Key Animation)
- D-Frag! (In-Between Animation)
- The Daichis - Earth Defence Family (In-Between Animation)
- Dance with Devils (2nd Key & In-Between Animation)
- Dancougar Nova (Key Animation)
- DAYS (2nd Key Animation)
- Deadman Wonderland (2nd Key & Key Animation)
- Detective School Q (Key Animation)
- Detroit Metal City (Key & 2nd Key Animation)
- Diamond no Ace (2nd key Animation)
- Dimension W (In-Between Animation)
- Dinosaur King (Key & In-Between Animation)
- Dirty Pair (Animation for the OVAs, In-Between Animation for Flight 005 Conspiracy)
- Dominion Tank Police (In-Between Animation)
- Dragon Ball Z (Production Cooperation for Wrath of the Dragon)
- Dragon Ball Super (Key Animation)
- Dragonaut: The Resonance (2nd Key & In-Between Animation)
- Durarara!! (2nd Key & In-Between Animation)
- Elemental Gelade (Key & In-Between Animation)
- Elfen Lied (Key Animation)
- Ergo Proxy (Key Animation)
- Eureka Seven (2nd Key & In-Between Animation)
- Eureka Seven AO (In-Between Animation)
- éX-Driver The Movie (Key Animation)
- Fafner in the Azure: Dead Aggressor (Key & In-Between Animation)
- Fairy Tail (2nd Key, Key & In-Between Animation)
- Fatal Fury: The Motion Picture (Animation Assistance)
- Fate/kaleid liner PRISMA☆ILLYA (2nd Key & In-Between Animation)
- Fate/stay night: Unlimited Blade Works (In-Between Animation)
- First Squad (2nd Key Animation)
- Fractale (2nd Key Animation)
- Freezing (2nd Key Animation)
- From the New World (2nd Key Animation)
- Full Metal Panic! (In-Between Animation)
- Future GPX Cyber Formula (Key & In-Between Animation for the series, Saga, Zero and Sin)
- Ga-Rei -Zero- (In-Between Animation)
- Gad Guard (Key & In-Between Animation)
- Gallery Fake (Key Animation)
- Gantz (2nd Key, Key & In-Between Animation)
- Garaga (Key Animation through Shunichi Matsumoto and Soichiro Matsuda)
- Gaist Crusher (2nd Key & In-Between Animation)
- Giant Robo (In-Between Animation for the Gin Rei OVAs)
- Girls Bravo (2nd Key & In-Between Animation)
- Girls und Panzer (2nd Key & In-Between Animation)
- Godannar (Key & In-Between Animation)
- Golden Time (2nd Key Animation)
- Good Luck Girl! (2nd Key & In-Between Animation)
- Gosick (In-Between Animation)
- Great Teacher Onizuka (In-Between Animation)
- Guilty Crown (2nd Key & In-Between Animation)
- GunBuster (In-Between Animation)
- GUN×SWORD (Key & In-Between Animation)
- Gundam
- Gundam Build Fighters (2nd Key & In-Between Animation)
- Gundam Build Fighters Try (2nd Key & In-Between Animation)
- Gundam: Reconguista in G (2nd Key & In-Between Animation)
- Mobile Suit Gundam 00 (2nd Key & Key Animation)
- Mobile Suit Gundam 0080: War in the Pocket (In-Between Animation)
- Mobile Suit Gundam AGE (2nd Key & Key Animation)
- Mobile Suit Gundam: Char's Counterattack (Key & In-Between Animation)
- Mobile Suit Gundam F91 (Animation Assistance)
- Mobile Suit Gundam: Iron-Blooded Orphans (2nd Key & In-Between Animation)
- Mobile Suit Gundam SEED (Key Animation)
- Mobile Suit Gundam SEED Destiny (Key Animation)
- Mobile Suit Gundam Thunderbolt (2nd Key & In-Between Animation)
- Mobile Suit Gundam Unicorn (2nd Key & In-Between Animation)
- Mobile Suit Victory Gundam (In-Between Animation)
- Mobile Suit Zeta Gundam (In-Between Animation)
- Mobile Suit Gundam ZZ (In-Between Animation)
- Gundam Build Fighters (2nd Key & In-Between Animation)
- Haganai (Key Animation Cooperation; Key Animation Assistance for NEXT)
- Halo Legends (In-Between Animation)
- Hanamaru Kindergarten (2nd Key Animation; In-Between Animation Cooperation)
- Happiness (Key Animation)
- Happy Lesson (Animation Assistance)
- Haruka Nogizaka's Secret (2nd Key Animation)
- Heat Guy J (In-Between Animation)
- Heaven's Lost Property Forte (Key Animation)
- Hero Bank (2nd Key Animation)
- Hero Tales (Key & In-Between Animation)
- Heroic Age (2nd Key Animation)
- The Heroic Legend of Arslan (Production Cooperation)
- Heroman (2nd Key & In-Between Animation)
- Hex Moon Guardians (Animation Assistance; In-Between Animation)
- House of Five Leaves (2nd Key & In-Between Animation)
- Hundred (In-Between Animation)
- The iDOLM@STER (2nd Key & Key Animation)
- Idolmaster: Xenoglossia (Key Animation)
- Initial D (Key Animation for First Stage, In-Between Animation for Second Stage, 2nd Key Animation for Fourth Stage)
- Izetta: The Last Witch (2nd Key Animation)
- Japan Animator Expo (In-Between Animation)List
- Jeanne d'Arc (In-Between Animation Support)
- Jin-Roh: The Wolf Brigade (In-Between Animation)
- JoJo's Bizarre Adventure (2nd Key & In-Between Animation for the series)
- Jyu-Oh-Sei (2nd Key Animation)
- Kaitou Saint Tail (In-Between Animation)
- Kiddy GiRL-AND (Key & 2nd Key Animation)
- Kill la Kill (2nd key Animation)
- Kiniro Mosaic (In-Between Animation)
- Kirby: Right Back at Ya! (Key & In-Between Animation)
- Kiss Him, Not Me (2nd Key Animation)
- Kurozuka (2nd Key Animation)
- Last Exile: Fam, the Silver Wing (2nd Key & In-Between Animation)
- Legend of the Galactic Heroes (Key, Finish & In-Between Animation)
- Level E (In-Between Animation)
- Little Busters! (2nd Key & Key Animation; In-Between Animation Assistance)
- Love Hina (Animation)
- Love Live! (In-Between Animation)
- Lupin III
- Lupin III: The Italian Adventure (In-Between Assistance)
- Lupin III: Stolen Lupin (Key Animation)
- Lupin III: Travels of Marco Polo – Another Page (2nd Key Animation)
- M3: The Dark Metal (2nd Key Animation)
- Macross 7 (Key Animation)
- Macross Delta (2nd Key & In-Between Animation)
- Magi: Labyrinth of Magic (2nd Key Animation)
- Magical Girl Lyrical Nanoha A's (In-Between Animation)
- Magical Girl Lyrical Nanoha Striker S (Key & 2nd Key Animation)
- Magician's Academy (Key & 2nd Key Animation)
- Mao-chan (In-Between Animation)
- Mars Daybreak (Key, Finish & In-Between Animation; Layouts; Animation Direction for episode 22)
- Marvel Anime: Iron Man (2nd Key Animation)
- Mega Man 8 (Animation)
- Mega Man: Maverick Hunter X (key animation)
- Metal Armor Dragonar (Key & In-Between Animation)
- Michiko & Hatchin (Key & In-Between Animation)
- Minami-ke (Key Animation)
- Minami-ke: Okawari (2nd Key & In-Between Animation)
- Monochrome Factor (2nd Key Animation)
- Motto To Love Ru (2nd Key & In-Between Animation)
- Monsuno (Key Animation)
- Moyashimon Returns (In-Between Animation)
- The Mystic Archives of Dantalian (2nd Key Animation)
- Nanbaka (2nd Key & In-Between Animation)
- Naruto (Key & In-Between Animation)
- Rock Lee's Springtime of Youth (Key Animation)
- Najica Blitz Tactics (Key Animation)
- Natsuyuki Rendezvous (In-Between Animation)
- NEEDLESS (Key Animation)
- Negima! Magister Negi Magi (Key Animation)
- Negima!? (Key & In-Between Animation)
- Neon Genesis Evangelion (In-Between Animation)
- New Cutey Honey (Animation)
- Noein (In-Between Animation)
- Noir (In-Between Animation)
- No-Rin (2nd Key Animation)
- Nobunaga the Fool (Key Animation)
- Noragami (In-Between Animation)
- Now and Then, Here and There (Key Animation)
- Ōban Star-Racers (In-Between Animation)
- Oreimo (2nd Key Animation, second series)
- Otoboku - Maidens Are Falling For Me (2nd Key & In-Between Animation)
- Ouran High School Host Club (2nd Key Animation)
- Outlaw Star (Key Animation)
- Over Drive (Key Animation)
- Patlabor (Key & In-Between Animation for the series and The New Files)
- The Pet Girl of Sakurasou (2nd Key Animation)
- Princess Principal (In-Between Animation)
- Problem Children are Coming from Another World, aren't they? (2nd Key Animation)
- Psycho-Pass (2nd Key Animation)
- Puella Magi Madoka Magica (2nd Key Animation)
- RahXephon (In-Between Animation, series and Pluralitas Concentio)
- Ranma ½ (Production Assistance for Big Trouble in Nekonron, China and Nihao My Concubine)
- RDG: Red Data Girl (Key Animation)
- Rideback (Key Animation)
- Rio -Rainbow Gate!- (Key Animation)
- Robotics;Notes (2nd Key Animation)
- Ronin Warriors (Key & In-Between Animation)
- Rurouni Kenshin (In-Between Animation)
- Saki (2nd Key Animation)
- Sakura Wars
- Sakura Wars 3: Is Paris Burning? (In-Between Animation; ingame and anime sequences)
- Sakura Wars 4: Fall in Love, Maidens (Ingame Key Animation)
- Sands of Destruction (Key Animation)
- School Rumble (Key Animation)
- Sekirei (2nd Key & In-Between Animation)
- Senran Kagura (2nd Key & In-Between Animation)
- Shakugan no Shana (2nd Key & Key Animation)
- Shaman King (Key & In-Between Animation)
- SHUFFLE! (2nd Key & Key Animation)
- Sisters of Wellber (2nd Key, Key & In-Between Animation)
- Sket Dance (2nd Key, Key & In-Between Animation)
- Skull Man (In-Between Animation)
- Sky Girls (Key Animation)
- Slayers Premium (In-Between Animation)
- Slayers Revolution (Key Animation)
- Slayers Evolution-R (2nd Key Animation)
- Softenni (2nd Key & In-Between Animation)
- SoltyRei (Key Animation)
- Soul Eater (2nd Key & In-Between Animation)
- Squid Girl (2nd Key Animation, second season)
- Steam Detectives (In-Between Animation)
- Strike Witches (2nd Key & Key Animation, second season)
- Student Council's Discretion (Key Animation for season one, 2nd Key Animation for season two)
- Super Robot Wars: Original Generation: The Inspector (Key & 2nd Key Animation)
- Suzuka (Key Animation)
- Sword Art Online (In-Between Animation)
- Sword of the Stranger (2nd Key Animation)
- Tactics (Key Animation)
- Tantei Opera Milky Holmes (2nd Key Animation)
- Tekkaman Blade (In-Between Animation)
- Tales of Symphonia (Animation Support)
- Tenchi Muyo! GXP (Key & In-Between Animation)
- Tenchi Universe (In-Between Animation)
- Pretty Sammy (Key Animation)
- Tetsujin 28th (Key & In-Between Animation)
- Tiger & Bunny (2nd Key & In-Between Animation)
- Tokkô (Key & In-Between Animation)
- Transformers
- Beast Wars II (Key Animation through Yoshihiro Ujiie)
- Beast Wars Neo (Key Animation)
- Transformers: Armada (Key Animation)
- Transformers: Energon (Key & In-Between Animation)
- Transformers: Cybertron (Key & In-Between Animation)
- Transformers: Go! (In-Between Animation)
- Trigun (Key Animation)
- Twin Princess of Wonder Planet (Key & In-Between Animation)
- Ultra Maniac (Key Animation)
- Un-Go (2nd Key Animation)
- Unlimited Psychic Squad (2nd Key & In-Between Animation)
- Valkyria Chronicles (In-Between Animation)
- Venus to Mamoru! (2nd Key & Key Animation)
- Wangan Midnight (Key Animation)
- Welcome to the NHK (2nd Key, Key & In-Between Animation; Paint)
- Whispered Words (Key Animation)
- White Album (2nd Key & In-Between Animation)
- White Album 2 (Key Animation)
- Wizard Barristers: Benmashi Cecil (2nd Key & In-Between Animation)
- Wolf's Rain (2nd Key & In-Between Animation)
- Xenogears (Animation)
- You're Under Arrest! (Animation Assistance for the OVA)
- Yowamushi Pedal (Key Animation)
- YuYu Hakusho (Key Animation)
- Zegapain (Key Animation)
- Zettai Muteki Raijin-Oh (In-Between Animation)
- Zetman (In-Between Animation)
- Zillion (In-Between Animation)
- Zoids
- Zoids Fuzors (In-Between Animation)
- Zoids/ZERO (Key Animation)