- Marriage or relationship counselor
- Music management and promotion
- Mutton barbecue restaurant
- Military base
- Medical school
- Metal industry suppliers
- Metaphysical supply store
- Medical equipment supplier
- Magician
- Molding supplier
- Mold maker
- Mobile home dealer
- Mobile home rental agency
- Mercedes-Benz dealer
- Machine construction
- Mobile home supply store
- Massage supply store
- Metalware producer
- Market researcher
- Mazda dealer