Founded in 1976 and incorporated in 1982, Offshore Spar Co. was previously known as Great Lakes Yacht Systems. Located in Chesterfield, Mich., it is an authorized Navtec hydraulic service center. The company's manufacturing process includes seamless moulded, autoclave cure and production machinery. Moreover, Offshore Spar Co. offers rigging and hydraulic packages. It has a sales and manufacturing facility of 38,000 square foot. The company has completed projects, including custom yachts, Nautor's swan, Morris yachts, Baltic yachts and Vismara yachts to name a few.