Built in 2005, by Houma Fabricators Incorporated of Houma, Louisiana (hull #141) as the Diane Cenac for the Cenac Towing Company Incorporated of Houma, Louisiana.
In 2008, the tug was acquired by Teppco Marine Services Incorporated of Houma, Louisiana. Where she retained her name.
In 2009, she was acquired by Enterprise Marine Services Incorporated of San Antonio, Texas. Where the tug was renamed as the Diane.
Powered by two, Cummins KTA38-M1 diesel engines. With Twin Disc reduction gears at a ratio of 6.39:1. She is a twin screw towboat, rated at 2,000 horsepower.