Products
- Moulton Mining Company
- Moulton Mining Company (Signed by William A. Clark)
- Moulton Mining Company (Signed by William A. Clark)
- Mount Beacon-on-Hudson Association (Incline Railway)
- Mount Carbon and Port Carbon Rail Road Company
- Movielab Film Laboratories, Inc.
- Mr. Swiss of America, Inc.
- Multibestos Company
- Multiphone Operating Company (Coin Slot Music Machine)
- Municipal Investment Trust Fund (Merrill Lynch)
- Municipal Street Railway (City and County of San Francisco)
- Muntz TV Inc.
- Music Master Corporation
- Music Master Corporation
- Mutual Pharmacal Company
- Mutual Tire and Rubber Corporation
- Napanoch Axe & Iron Company
- Narragansett Mills
- Narragansett Pier Railroad Company
- Narragansett Racing Association, Inc.
- Nash Motors Company
- Nash-Kelvinator Corporation
- Nashua and Lowell Railroad Corporation
- Nashville & Decatur Rail Road Company
- Nashville & Decatur Rail Road Company
- Nashville, Chattanooga & St. Louis Railway Company
- Nashville, Chattanooga & St. Louis Railway Company (Signed by James Davis Porter)
- Nassau Electric Railroad Company
- Nassau Electric Railroad Company
- Nassau Electric Railroad Company
- Nassau Electric Railroad Company
- Natco Corporation
- National Airlines, Incorporated
- National Auto Supply Company (Signed by George Pepperdine)
- National Aviation Corporation
- National Bank of Newburgh
- National Bellas Hess Co., Inc.
- National Cash Register Company
- National Conduit and Cable Company, Inc.
- National Electric Power Company
- National Electric Power Company
- National File and Tool Company (The Vixen)
- National Fireproofing Corporation
- National Gasolene Company
- National Leather Company
- National Linen Service Corporation
- National Marine Bank of Baltimore
- National Playhouses, Inc.
- National Radiator Corporation
- National Radio Company
- National Radio Company
- National Radio Company, Inc.
- National Steel Corporation
- National Sweepstakes Corporation
- National Tea Co.
- National Tea Co.
- National Toll Bridge Company
- National Tool Company
- National Tool Company
- National Tunnel & Mines Company
- National Uplift Company
- National Video Corporation
- Natomas Company
- Natomas Company of California
- Naugatuck Railroad Company
- Nauheim Pharmacies, Inc.
- NCNB Corporation
- NCR Corporation
- Nestle-LeMur Company
- Nevada Copper Company
- Nevada Hills Mining Company
- Nevada Manufacturing Co.
- Nevada Power Company
- Nevada Silver Horn Mining Company
- Nevada Western Gold Corporation, Ltd.
- Nevada-Utah Mines and Smelters Corporation
- New Britain National Bank
- New Castle and Shenango Valley Railroad Company
- New Castle and Shenango Valley Railroad Company
- New Cornelia Copper Company
- New Dominion Copper Company
- New England Gas and Electric Association
- New England Lamp Works, Inc.
- New England Oil Corporation
- New England Real Estate & Lumber Co.
- New England Real Estate & Lumber Co.
- New England Steamship Company
- New England Street Railway Company
- New England Telephone and Telegraph Company
- New England Telephone and Telegraph Company
- New England Telephone and Telegraph Company
- New England Wireless Telephone and Telegraph Company
- New Haven and Derby Railroad Company
- New Haven and Derby Railroad Company
- New Haven and Northampton (Railroad) Company
- New Haven, Middletown & Willimantic Rail Road Company
- New Jersey and New York Extension Railroad Company
- New Jersey and New York Rail Road Company
- New Jersey and New York Rail Road Company
- New Jersey and New York Rail Road Company