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Aston Martin Racing is a British auto racing team established in 2004 as a partnership between automobile manufacturer Aston Martin and engineering group Prodrive. The partnership was initially created for the purpose of returning Aston Martin to sports car racing with the DBR9, a heavily modified variant of the Aston Martin DB9. Since the DBR9's racing debut in 2005, Aston Martin Racing has expanded to build a variety of cars available to customers, as well as development of Aston Martin's V12 engine for Le Mans Prototype use. Aston Martin Racing's program has earned several successes over the years.

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Competitive Edge Motorsports is a former NASCAR Nextel Cup Series team. It fielded the No. 51 Marathon Oil Chevrolet. Its principal owner was former NFL player Joe Auer.

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DKR Engineering is a racing team and preparation firm from Luxembourg, which competed in the FIA GT1 World Championship. The company was founded in 2004 by Kendy Janclaes as a branch of the PSI Experience racing team from Belgium. After running PSI's racing programs, DKR began their own programs in 2008, running in the FFSA GT Championship with Corvettes. DKR expanded into the FIA GT Championship in 2009 where PSI had previously competed, running their own program under the Sangari Team Brazil banner and netting a single victory and sixth in the Teams' Championship. DKR's FFSA GT squad won five races in 2009 and secured the Drivers' Championship for Eric Debard.

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iSport International was a British motor racing team that competed in the GP2 Series. The team was founded by Paul Jackson, Gavin Bickerton-Jones and Richard Selwin, former members of the Petrobras Junior Team in 2004, ahead of the inaugural GP2 season. Their factory is based in Carleton Rode near Norwich in the United Kingdom.

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Keith Coleman Racing was a NASCAR Busch Series team. It fielded the No. 23 and No. 26 cars for three seasons. The team was formed in 2004 by New Orleans native Keith Coleman and at the time bought the team's equipment from Holigan Racing and later from Bill Davis Racing.

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Motorbase Performance is a British motor racing team, founded in 2004 by former Production Saloon racer David Bartrum. They are best known for competing in the British Touring Car Championship.

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Tasman Motorsport was a V8 Supercar racing team. It was formed in 2004 out of what was Lansvale Racing Team V8 Supercar team and was associated with Greg Murphy Racing as a satellite operation.