Local 150 represents approximately 100 employees who perform marine construction, dredging and other maritime work.  These individuals work primarily under the Great Lakes Floating Agreement and include deckhands, tug captains, deck engineers, welders, mechanics, crane operators and divers.  They perform a wide variety of maritime construction-related tasks, including towing barges on the Great Lakes, assembling and disassembling hydraulic pipeline, performing construction work for riverboat casinos, and laying fiber optic cable underwater.