Home/American Shipper/Maersk enters U.S. offshore wind market American Shipper Maersk enters U.S. offshore wind market FreightWaves Staff · Friday, October 07, 2011 Maersk Line, Limited (MLL), the U.S.-flag vessel arm of A.P. Moller-Maersk, will support the development, financing and construction of utility-scale offshore wind energy facilities in North America.