There are 83 unique plaintiff surnames beginning with M:

M.G.C. Company	Mabrey	Maddox Brothers	Madison National Bank, London, OH	Magnetic Springs Banking Company	Magrew	Main Finance Company
Maize and Fritter, Inc.	Mangans	Manley	Manly	Manner	Mansfield Machine Works	Mansfield Savings Bank
Marfield	Marion Auto Finance Company	Marion Chattel Loan Company	Marion County Bank	Marion County Banking Company	Marion Deposit Bank	Marion Manufacturing Company
Marion Production Credit Association	Marion Savings Bank Company, Marion, OH	Market Exchange Bank Company	Markey	Martin	Marysville Butter Tub and Spoke Company	Marysville Way Tag Company
Marysville Wire Fence and Lumber Company	Massey-Harris Company	Massillon Savings and Loan Company	Mathern	Matthews and Associates	Max Jewelry Company	May
Maytag Company	McAllister	McCaughey	McCollock	McCollough	McCoy	McCrary
McCrery and Bahan	McCurdy, Aldrich and Spencer	McDaniel Motor Company	McDonald and Company	McFarland	McGraw	McIlvain and Snyder
McIntire	McKee	McKee and Weakly	McKee, Weakley and Company	McKinnon	McMurray	McMurray and Fisher
McNaughton	Mechanicsburg Machine Company	Meech	Merchants National Bank and Trust Company	Metropolitan Bank	Midland Guarduan Company	Milford Center Bank, Milford Center, OH
Miller	Moffit	Monnett Elevator Company	Moon	Moore	Morehouse, Martino and Company	Morgan
Moser and Shout	Moskins Stores, Inc.	Motorist Mutual Insurance Company	Moyer	Mt. Carmel Medical Center	Mt. Gilead National Bank, Mt. Gilead, OH	Mt. Victory Bank, Mt. Victory, OH
Muff	Mulford	Murdock	Murphy	Myers	Myers Finance Company