- Metal workshop
- Mountain cabin
- Mens tailor
- Military barracks
- Media consultant
- Muffler shop
- Motel
- Medical group
- Modular home dealer
- Massage therapist
- Marketing consultant
- Marble contractor
- Manufactured home transporter
- Musical instrument repair shop
- Mechanical contractor
- Mechanical engineer
- Mattress store
- Modular home builder
- Mechanic
- Municipal hall