M-I Australia Pty. Ltd.
M-I Drilling Fluids L.L.C.
M-I SWACO Norge AS
M.I. L.L.C.
Madachik, Jr. Edward J.
Magri Neal F.
Magri Neil
Marquez Laura De Santis
Martin Michael M.
Matthews Lester E.
McAleenan, Esq. Jim
McCann Gordon
McCarthy Scott
McConnell Stanley Bruce
McDermott, Will & Emergy
McMahon JoAnn
Mesher Shaun
Mesher Shaun T.
Metcalf Arthur Steven
Metcalfe John