Dangun Pictures (ダンガン・ピクチャーズ) is a Japanese support studio established in 1994 by former Toei Animation alumni. Their main claim to fame is the OVA Elf Princess Rane.
They have their own twitter page, if you can believe it (though it hasn't been updated since 2011). Full credits list on Anime News Network.
Credits include:
- Baccano! (In-Between Animation)
- Bakugan (Production assistance for New Vestroia and Gundalian Invaders seasons)
- Bamboo Blade (In-Between Animation)
- Bleach (Animation)
- Blue Gender (Production Assistance)note
- Bodacious Space Pirates (In-Between Animation)
- Bunny Drop (In-Between Animation)
- Cardfight!! Vanguard (Production Assistance)
- Case Closed (Key Animation)
- Cells at Work! (Finish Animation)
- Cutie Honey Universe (Production Assistance)
- Diamond no Ace (Production Assistance)
- Dragon Ball Super (Production Assistance)
- Dragon Quest: The Adventure of Dai (Production Assistance)
- éX-Driver: The Movie (Key Animation)
- Eyeshield 21 (Animation Co-Production; series)
- Fairy Tail (2nd Key & In-Between Animation)
- Gaiking: Legend of Daiku Maryu (Character Designs; Digital Paint; Production Assistance)
- Guilty Crown (In-Between Animation)
- GUN×SWORD (In-Between Animation)
- Kill la Kill (In-Between Animation)
- Last Exile: Fam, the Silver Wing (In-Between Animation)
- Lupin III: The Italian Adventure (Production Assistance)
- Marvel Anime: Iron Man (2nd Key Animation)
- Megalobox (Finish & In-Between Animation)
- Mobile Suit Gundam AGE (In-Between Animation)
- Monsuno (Key Animation)
- Parasyte (Production Assistance)
- Prism Ark (Production Assistance)
- Puella Magi Madoka Magica (In-Between Animation)
- Robotics;Notes (In-Between Animation)
- Shakugan no Shana (Production Assistance)
- SHUFFLE! (2nd Key & In-Between Animation)
- Spider Riders (In-Between Animation)
- Tiger & Bunny (2nd Key Animation)
- Toriko (Key & In-Between Animation; Production Assistance)
- Transformers: Armada (In-Between Animation)
- Trigun Stampede (Photography)
- Yona of the Dawn (Production Assistance)
- You're Under Arrest!: The Movie (In-Between Animation)