TSGI offers design services from the conceptual design through the detail design and shipyard support. Some of TSGI’s design services include but are not limited to hull design, structural design and analysis, stability analysis, 3-D Structural design, and weight estimating. TSGI’s marine engineering practice focuses on the design of new vessels, repowering’s and mechanical and electrical upgrades. TSGI has been a key participant in the revolutionary changes to the inland waterways industry, including developing the design for the first Z drive towboats, the largest Z Drive towboats, diesel electric towboats, and the first LNG powered towboats. TSGI works with its clients to understand the needs and requirements of each client, and designs vessels specifically to meet those needs, whether Z drive or conventional.