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In 1953, Jay Pritzker and Robert Pritzker acquired Colson Corporation, a struggling manufacturer of casters, bicycles, navy rockets, and wheelchairs with sales of $3 million.[1][2] The name of the company was changed to Marmon Group in 1964, after the acquisition of Marmon-Herrington.[3] Major acquisitions by Marmon Group have included Cerro Corporation (1976) and TransUnion (1981).[1][3] In 2007, the Pritzker family sold a 60 percent interest in Marmon Group to Berkshire Hathaway, with plans for Berkshire to acquire the remaining 40% over the course of the next 5–6 years;[4] the remaining minority stake was purchased by Berkshire in 2013.[5]
