Marmon, a Berkshire Hathaway subsidiary, agreed to acquire a 60% stake in the Colson Medical Companies, a global provider of specialty medical devices, from Colson Associates, which develops, manufactures and distributes a wide range of innovating medical devices. Financial terms were not disclosed. “Their innovative, proprietary products and processes and outstanding reputation make them an ideal fit for Marmon and provide our organization with another strong growth platform,” Angelo Pantaleo, Marmon Chairman and CEO.