Bay-Houston Towing Co. in January took delivery of the final tug in a series of five ordered from Gulf Island Shipyards LLC in 2018.George M and its four sister vessels are Z-Tech 30-80 tugs designed by Robert Allan Ltd. The series’ first tug Mark E. Kuebler was delivered in 2019.Robert Allan Ltd.
https://www.marinelink.com/news/gulf-island-shipyards-delivers-new-tug-486308