Question: What animation company worked on How to Train Your Dragon and its four short films?

Context articles: Dawn of the Dragon Racers
Last Train to Mahakali
Jim Jarmusch filmography
Dianna Agron filmography
Haoliners Animation League
Women's Tales
Wallace and Gromit
Madre (film)
The Grandmothers: Four Short Novels
How to Train Your Dragon (franchise)

Dawn of the Dragon Racers is a 2014 computer-animated short film by DreamWorks Animation and directed by Elaine Bogan and John Sanford.
 Based on the film series of the same name.
 It was directed by John Sanford and Elaine Bogan, and it features the voices of Jay Baruchel and America Ferrera along with the cast from the television series.
 In the short, a hunt for a lost sheep turns into a competition between Hiccup and his friends for the first title of Dragon Racing Champion of Berk.
Last Train to Mahakali (1999) is short film written and directed by Indian film director-screenwriter Anurag Kashyap.
 It was made for the Star Plus television series Star Bestsellers and was first telecast in 1999.
 The film won the Special Jury Award at the 8th Annual Star Screen Awards.
 In 2005, the film was one of the four short films screened at an event organized by "Films Anonymous" at Hyderabad.
Jim Jarmusch is an American independent filmmaker and screenwriter.
 His filmography includes twelve feature films, two documentaries, six music videos and four short films.
 In addition, Jarmusch has worked on several other films, and has appeared on screen on multiple occasions as an actor and as himself.
Dianna Agron has appeared in thirteen feature films, thirteen television series/films, four short films, three music videos, one play, two commercials, and has directed two short films and two music videos.
Haoliners Animation League (Chinese: 绘梦者新动画联盟 (Hui Meng), Japanese: Emon) is a Chinese animation company based in Shanghai and established in 2013.
 It has a branch in Korea and Japan (Animation Company Emon).
Women's Tales is an ongoing short film series created by fashion brand Miu Miu and launched in 2012 in partnership with the Venice Film Festival.
 Since an initial launch of four short films, Miu Miu has continued to commission two films a year.
 Aside from the stipulation that the films use Miu Miu clothing the directors are given carte-blanche to create their films.
Wallace and Gromit is a British clay animation comedy series created by Nick Park of Aardman Animations.
 The series consists of four short films and a feature-length film.
 The series centres on Wallace, a good-natured, eccentric, cheese-loving inventor, along with his companion Gromit, a silent yet loyal and intelligent anthropomorphic dog.
 Wallace was originally voiced by veteran actor Peter Sallis, but as of 2011, this role has been passed on to Ben Whitehead.
 Gromit remains silent, communicating only through means of facial expressions and body language.
Madre is a 2016 Colombian short drama film directed by Simón Mesa Soto.
 It is one of four short films created as part of a Swedish-financed international film project titled "Break the Silence" which examines sexualized violence against children.
 It premiered at the 2016 Cannes Film Festival as one of the entries in the Short Film Palme d'Or competition.
The Grandmothers: Four Short Novels is collection of four short stories published in 2003 by 2007 Nobel laureate Doris Lessing.
How to Train Your Dragon franchise (also referred to as simply HTTYD) from DreamWorks Animation consists of two feature films "How to Train Your Dragon" (2010) and "How to Train Your Dragon 2" (2014), with a third and final planned for a 2019 release.
 The franchise is loosely based on the British book series by Cressida Cowell.
 The franchise also consists of four short films: "Legend of the Boneknapper Dragon" (2010), "Book of Dragons" (2011), "Gift of the Night Fury" (2011) and "Dawn of the Dragon Racers" (2014).
 A television series following the events of the first film, "", began airing on Cartoon Network in September 2012.
 Its second season was renamed "Dragons: Defenders of Berk".
 Set several years later, and as a more immediate prequel to the second film, a new television series, titled "Dragons: Race to the Edge", aired on Netflix in June 2015.
 The second season of the show was added to Netflix in January 2016 and a third season in June 2016.
 A fourth season aired on Netflix in February 2017 and a fifth season in August 2017.