- Media company
- Media house
- Mattress store
- Mobile phone repair shop
- Model shop
- Mobility equipment supplier
- Medical group
- Monument maker
- Maritime museum
- Medical spa
- Mental health clinic
- Miniature golf course
- Memorial park
- Mailbox rental service
- Magazine store
- Movie rental store
- Muffler shop
- Meat products store
- Microwave oven repair service
- Medical diagnostic imaging center