Question: Barry Cook was the co-director for the 2011 3D animated film produced by which companies?
Context: Off His Rockers is an animated short film produced by Walt Disney Feature Animation and released in 1992.  It was released theatrically accompanying the film "Honey, I Blew Up the Kid".  The film started as a side project of director Barry Cook, who, at the time, was working at Walt Disney Feature Animation Florida.  Starting with a core of six people, the project ended up involving most of the Florida studio's staff of 73 (and some in California), all of whom "donated" their time to the project beyond their official duties. The Flying Machine is a 2011 3-D live action/animated film produced by BreakThru Films.  The film is directed by Martin Clapp and Geoff Lindsey, and stars Heather Graham and Lang Lang. Dam 999 is a 2011 3-D science fiction disaster film.  It is an English language UAE–Indian co-production film produced by BizTV Network, UAE and directed by Sohan Roy.  The film is based on the award winning short documentary "DAMs - The Lethal Water Bombs".  and the Banqiao dam disaster of 1975 that claimed the lives of 250,000 people in China and anticipated calamity for outdated dams in the world.  The film falls in the category of an emotional thriller.  The ancient Indian concept of "Navarasas", or the nine human emotions, are represented by an assortment of actors from India and Hollywood.  The movie also portrays the concepts of kamasutra as well as lost love against the backdrop of the story of a dilapidated colonial dam. Athena Xenidou is a Cypriot producer, writer and director.  She is the co-founder of XMAS Productions, a company aiming at producing entertainment for local and international distribution.  Xenidou is now in development of "Socrates & Soc", a feature-length animated film.  She has co-written the screenplay with Barry Cook (director of Walt Disney's "Mulan"), and she is to co-direct the film once in production. Barry Cook (born 1958/1959 ) is an American film director who has worked in the animated film industry since the 1980s.  Cook and Tony Bancroft directed "Mulan" (1998) and won the 1998 Annie Award for Best Animated Feature.  Cook was also the co-director for "Arthur Christmas" (2011), directed by Sarah Smith.  Cook also directed "Walking with Dinosaurs" (2013) with Neil Nightingale. Mulan is a 1998 American animated musical action comedy-drama film produced by Walt Disney Feature Animation for Walt Disney Pictures.  It is based on the Chinese legend of Hua Mulan, and was Disney's 36th animated feature.  It was directed by Tony Bancroft and Barry Cook, with story by Robert D. San Souci and screenplay by Rita Hsiao, Philip LaZebnik, Chris Sanders, Eugenia Bostwick-Singer, and Raymond Singer.  Ming-Na, Eddie Murphy, Miguel Ferrer and B. D. Wong star in the English version, while Jackie Chan provided the voice of Captain Li Shang for the Chinese dubs of the film.  The film's plot takes place during the Han dynasty, where Fa Mulan, daughter of aged warrior Fa Zhou, impersonates a man to take her father's place during a general conscription to counter a Hun invasion. Arthur Christmas is a 2011 British-American 3D computer animated Christmas comedy film, produced by Aardman Animations and Sony Pictures Animation as their first collaborative project.  The film was released on 11 November 2011, in the UK, and on 23 November 2011, in the USA. My Last Day is a 2011 Christian anime short film created by The Jesus Film Project, with Barry Cook and STUDIO4°C.  The story unfolds through the eyes of a criminal who receives the same brutal crucifixion sentence as Jesus Christ.  This is a short film of regret, repentance and redemption.  The film is available in several different languages. Walking with Dinosaurs is a 2013 family film about dinosaurs set in the Late Cretaceous period, 70 million years ago.  The production features computer-animated dinosaurs in live-action settings with actors John Leguizamo, Justin Long, Tiya Sircar, and Skyler Stone providing voiceovers for the main characters.  It was directed by Neil Nightingale and Barry Cook from a screenplay by John Collee. Legends of Valhalla: Thor (Icelandic: "Hetjur Valhallar - Þór" ), also known as Thor: Legend of the Magical Hammer, is a 2011 3D CGI animated comedy feature film co-produced by CAOZ, Ulysses and Magma Films.  It is based on stories about Thor, the god of thunder from Norse mythology.  The film is the first full-length animated film to be produced in Iceland.  It was released on October 14, 2011 in Reykjavík.
Answer: Aardman Animations and Sony Pictures Animation