- Mattress store
- Marine supply store
- Material handling equipment supplier
- Movie studio
- Magician
- Machine repair service
- Machine shop
- Marine surveyor
- Marines facility
- Moving and storage service
- Metalware producer
- Mechanical contractor
- Metalwork
- Motorcycle shop
- Machining manufacturer
- Motorcycle repair shop
- Machine workshop
- Market operator
- Metal workshop
- Mechanical engineer