- Massage therapist
- Marina
- Martial arts supply store
- Memorial estate
- MINI dealer
- Marine supply store
- Martial arts school
- Mens tailor
- Motor scooter repair shop
- Maternity hospital
- Motorcycle driving school
- Medical school
- Municipal health department
- Manufactured home transporter
- Magazine store
- Metal finisher
- Music school
- Music publisher
- Music management and promotion
- Music college