APPP

APPP (also known as Another Push Pin Planning) is a Japanese Animation studio established in 1984.

They're probably best known for the JoJo's Bizarre Adventure OVA. Their full lists of work can be seen here and here.

With AIC:

 * Tenchi Muyo Ryo Ohki
 * Now and Then Here and There
 * Tournament of the Gods
 * Parade Parade
 * The Legend of Black Heaven
 * Samurai: Hunt for the Sword
 * Pretty Sammy (OVAs; Also did In-Between Animation. Animation Production Cooperation for episode 12 of the series)

Other:

 * Golden Boy
 * Robot Carnival
 * Project A-ko
 * Cadillacs and Dinosaurs
 * Roujin Z
 * Sci-Fi Harry
 * Fist of the North Star: The Legend of Toki
 * Fist of the Blue Sky
 * Crimson Wolf
 * Omishi Magical Theater Risky Safety
 * Lupin III (Detective Conan crossover special with T Ms ; also provided Key and In-Between animation)
 * Street Fighter Alpha: Generations
 * Sexy Sailor Soldiers
 * Wet Summer Days

Amongst the series and movies APPP has helped out on:

 * 07-Ghost (Production Cooperation)
 * A Channel (In-Between Animation)
 * Amagami SS (Key & In-Between Animation)
 * Angel Beats (2nd Key Animation)
 * Bakemonogatari (2nd Key & In-Between Animation)
 * Bakugan: Gundalian Invaders (Key Animation)
 * Blood Plus (In-Between Animation)
 * Blue Exorcist (2nd Key Animation)
 * Darker Than Black (2nd Key Animation; Gemini of the Meteor season)
 * Dead Leaves (In-Between Animation)
 * Divergence Eve (In-Between Animation; Production Cooperation)
 * Dog Days (2nd Key Animation)
 * Eden of the East (In-Between Animation)
 * El Cazador de la Bruja (In-Between Animation)
 * Eureka Seven (In-Between Animation)
 * Fairy Tail (2nd Key, Key & In-Between Animation; Production Assistance)
 * Fate/Zero (In-Between Animation)
 * Fullmetal Alchemist (In-Between Animation for both series; 2nd Key Animation for Brotherhood and The Sacred Star of Milos)
 * Gad Guard (In-Between Animation)
 * Ghost Hunt (In-Between Animation)
 * Girls Bravo (2nd Key & In-Between Animation)
 * Heroman (2nd Key & In-Between Animation; Production Assistance)
 * Highschool of the Dead (2nd Key Animation)
 * Hanasaku Iroha (2nd Key Animation)
 * Jin-Roh: The Wolf Brigade (In-Between Animation)
 * Key the Metal Idol (Production Cooperation)
 * Kiddy Grade (In-Between Animation)
 * Level E (In-Between Animation)
 * Macross Frontier (In-Between Animation)
 * Madlax {In-Between Animation)
 * Michiko to Hatchin (In-Between Animation)
 * Mobile Suit Gundam 00 {In-Between Animation; second season)
 * Gundam 00 a Wakening of The Trailblazer {In-Between Animation)
 * Neon Genesis Evangelion (Finish Animation; Death & Rebirth)
 * Nodame Cantabile (In-Between Animation; Finale)
 * Noir (In-Between Animation)
 * Professor Layton and The Eternal Diva (In-Between Animation)
 * Skip Beat (In-Between Animation)
 * Softenni (In-Between Animation)
 * Soul Eater (In-Between Animation)
 * Squid Girl (In-Between Animation)
 * Star Driver (2nd Key & In-Between Animation)
 * Sword of the Stranger (2nd Key & In-Between Animation)
 * Tiger and Bunny (2nd Key & In-Between Animation)
 * Tokko (In-Between Animation)
 * Toradora! (In-Between Assistance)
 * X Men (2nd Key & In-Between Animation)

Tropes Associated with APPP:

 * Animation Bump: They're one of the better studios out there. Roujin Z especially.
 * NSFW: If some of those titles above sound like Hentai; That's because they are.
 * Off-Model: Like all studios