MacInnes Robert D.
Maerz Ofenbau GmbH
Mansperger William L.
Marcau Gary
Marks Thomas G.
Martin Gary Lee
Materna Peter
Materna Peter A.
Mathejka Horst Wolfgang
Mathews Gerald B.
Matros Yurii Shaevich
Mattocks George R.
McCrady Brian
McCullough William S.
McDermott John F.
McDermott & Will & Emery
McElroy, 3rd James F.
McKechnie (UK) Limited
McKinney Benjamin F.
McLaughlin T. Clay