Who is the owner of marmon? Key people. Marmon Group is an industrial United States holding company headquartered in Chicago, Illinois; founded by Jay Pritzker and Robert Pritzker in 1953 (as Colson Corporation), it has been held by the Berkshire Hathaway group since 2013.Where is marmon utility llc located? Marmon Utility LLC is located in Milford, NH, United States and is part of the { {industry}} Industry. Marmon Utility LLC has 200 total employees across all of its locations and generates $41.70 million in sales (USD). There are 7,591 companies in the Marmon Utility LLC corporate family.What does marmon do? With more monikers than most, Marmon monitors a mélange of more than 150 autonomous manufacturing and service companies. A subsidiary of Warren Buffett's Berkshire Hathaway.Is lala darling owned by marmon? LA Darling is a member of Marmon Holdings and part of Berkshire Hathaway, one of the world’s most respected companies. Founded in 1953, Marmon is among Berkshire Hathaway’s “Powerhouse Six,” Warren Buffet’s term for Berkshire’s largest non-insurance businesses.