- Monroe Title Insurance Corporation
- Montage
- Montana Dakota Utilities
- Montana Mills Bread
- Montauk Financial Group
- Montblanc
- Montblanc Boutique
- Montclair Apartments
- Monte Vista Apartments
- Montecito Bank & Trust
- Monterey Apartments
- Monterrey Mexican Restaurant
- Montessori
- Montessori Academy
- Montessori Children's Center
- Montessori Learning Center
- Montgomery & Associates
- Montgomery City County Public Library
- Montgomery Watson
- Monticello Apartments
- Monumental Life Insurance
- Monumental Life Insurance Company
- Moochie & Co.
- Moore B C & Sons
- Moore Construction
- Moore Electric
- Moore Enterprises
- Moore Funeral Home
- Moore Insurance Agency
- Moore's Auto Sales
- Moore's Barber Shop
- Moore's Body Shop
- Moore's Lumber and Building Supplies
- Moore's Lumber and Building Supplies - Contractor Sales
- Moore's Tire Sales
- Moose Club
- Moose Home
- Moose Lodge
- Moovies