- Mobile Tech
- Mobility Express
- Mobility Plus
- Model Nails
- Modell's
- Modern Barber Shop
- Modern Beauty Salon
- Modern Beauty Shop
- Modern Builders Supply
- Modern Communications
- Modern Cuts
- Modern Design
- Modern Electric
- Modern Graphics
- Modern Image
- Modern Nail
- Modern Nail Salon
- Modern Nails
- Modern Parking
- Modern Salon
- Modern Shoe Repair
- Modern Supply
- Modern Video
- Modern Woodman of America
- Modern Woodmen of America Insurance
- Modine Aftermarket Holding
- Modine Aftermarket Holdings
- Modis
- Modis Incorporated
- Moe's
- Moffatt & Nichol Engineers
- Mohawk Industries
- Mole Hole
- Molex
- Molina Medical Centers
- Molly Maid
- Molly's Pub
- Mom and ME
- Mommy & ME