- McNeil Nutritionals, LLC
- MCR Safety
- MeadWestvaco
- Media Sciences International
- Merangue International Limited
- Merriam-Webster, Inc
- Meyer Corporation
- microMICR Corporation
- Mind Reader Products
- MMF Industries
- Mohawk Fine Papers, Inc
- Mon Ami
- Mondelez International
- MooreCo, Inc
- Mother Parkers Tea & Coffee, Inc
- Nature Saver
- NCR Corporation
- Nec Corporation
- Neenah Paper, Inc
- Nestle Professional
- Nestle S.A
- Newell Brands
- Nielsen Bainbridge
- Nightingale Corporation
- Norstar Office Products Inc