- Machinery, Supplies & Equipment - Business Supplies Related, Ortonville
- Machinery, Supplies & Equipment - Construction & Contractor Related, Ortonville
- Management Consultants & Services, Ortonville
- Manufacturing, Ortonville
- Masonry Materials & Supplies, Ortonville
- Massage Therapists & Professional, Ortonville
- Massage Therapy, Ortonville
- Meat Market, Wholesale & Products, Ortonville
|
- Mental & Developmental Information & Referral Services, Ortonville
- Methodist Church, Ortonville
- Miscellaneous Government, Ortonville
- Mobile Home Parks & Communities , Ortonville
- Monuments, Tombstones, Markers & Memorials, Ortonville
- Mortgage Bankers & Correspondents, Ortonville
- Motor Vehicle, Ortonville
- Museums, Ortonville
|