Production 91

 is a Japanese animation studio founded in 1991 by Umanosuke Asao and a few other ex- staff.

2000s

 * Her Majesty's Dog (2005-07)
 * Mi-Mo-Mi-Key (2005-06)

Overseas animation

 * All Grown Up! DS (2D FMV cutscenes)
 * Butterfinger ("Bart Simpson" commercials; 2002-2004)
 * Carwardine Parks queue-tapes and showtapes (1992-present; alongside multiple other studios)
 * The Chuck E. Cheese Video Show (Season 1 only; 4 episodes)
 * King of the Hill DS (2D FMV cutscenes)
 * Monsters, Inc.: Laugh Factory (13 episodes; alongside Yeson Entertainment, Toon City and VIETPRO)
 * The New Adventures of Mister Incredible and Pals ("The Ghost of Syndrome" only; rest of the series done by Yeson, Rough Draft Korea and Saerom)
 * The Simpsons: Hit and Run DS (2D FMV cutscenes)
 * Six Flags ("Not A World Away: Fiesta Texas" and "Not A World Away: Fiesta Georgia" commercials only)
 * SpongeBob SquarePants: Battle for Bikini Bottom (DS version only; 2D FMV cutscenes)