Pedigree Petfoods is a subsidiary of the American group Mars, Incorporated specializing in pet food, with factories in England at Melton Mowbray and Birstall, Leeds; and offices at McLean, Virginia. Pedigree is now a subsidiary of Mars, Incorporated. The English division of Mars Inc. has been called Masterfoods since January 2002, until it was split into 4 separate entities in 2007 : Mars Petcare UK, Mars Complementary Petcare UK, Mars Chocolate UK and Mars Food UK.