- MCR Safety
- MeadWestvaco
- Media Sciences International
- Merangue International Limited
- Merriam-Webster, Inc
- microMICR Corporation
- MMF Industries
- Mohawk Fine Papers, Inc
- Mon Ami
- MooreCo, Inc
- Mother Parkers Tea & Coffee, Inc
- Motorola, Inc
- Nature Saver
- NCR Corporation
- Nec Corporation
- Neenah Paper, Inc
- Nestle S.A
- Nielsen Bainbridge
- Nova
- Nu-Dell Manufacturing Company, Inc
- OccuNomix International, LLC
- Office Snax
- Office Star Products
- Officemate International Corp.
- Oki Electric Industry Co., Ltd