The Great Lakes Towing Company said it is expanding its harbor towing and ice breaking services to Sturgeon Bay, Wis.The Towing Company has undertaken a fleet renewal program that began with the laying of 10 keels in August 2016. Since that time, the company has added five new Damen Stan 1907 ICE design tugs to its fleet, with the sixth new tug being delivered next month, and the seventh in Spring 2022.There will now be two Towing Company tugs stationed in Sturgeon Bay full-time, including a former Navy YTB.