CHICAGO--(BUSINESS WIRE)--Marmon Holdings, Inc. today announced the acquisition of Transco Railway Products Inc., a railcar repair business with operations across the northern U.S., from Transco Inc. Financial terms were not disclosed. Chicago-based Transco Railway Products provides railroad tank car and freight car repair and maintenance, auto-rack certification, and hopper car cleaning at seven repair shops located in the Great Lakes region, Iowa, and Montana. The company also provides compon