Macchi Carla
Macrea Michael
Magura Donald D.
Marathon Manufacturing Company
Marine Innovation & Technology
Marine Shuttle Operations AS
Marinus Van Den Oetelaar Maria Cornelis Wilhelmus
Marion Henri A.
Marion Henri-Albert
Martin Jean G. M.
Masaki Noriaki
Masoudi Ahmad
McCarthy Vincent George
McNease Daniel F.
Meek Jan
Michelsen Finn C.
Miller Norman W.
Minami Kenichiro
Modec International LLC
Modular Jack-Up Systems Company, Inc.