- Machine Shop & Tool Repair Service, Jarrettsville
- Machinery, Supplies & Equipment - Business Production Related, Jarrettsville
- Major Appliances, Jarrettsville - Household & Kitchen
- Management Consultants & Services, Jarrettsville
- Manicurists & Pedicurists, Jarrettsville
- Manufacturing, Jarrettsville
- Martial Arts & Self Defense Schools, Jarrettsville
- Masonry Contractors, Jarrettsville - Stone Mason, Brick Mason - Install & Repair
- Membership Sports & Recreation Clubs, Jarrettsville
- Methodist Church, Jarrettsville
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- Miscellaneous Government, Jarrettsville
- Miscellaneous Personal Services, Jarrettsville
- Miscellaneous Professional, Jarrettsville
- Modular & Mobile Homes For Sale, Jarrettsville - Manufactured Homes Sale & Service
- Mortgage Bankers & Correspondents, Jarrettsville
- Mortgages & Loans, Jarrettsville
- Motor Vehicle, Jarrettsville
- Motor Vehicle Rental & Leasing, Jarrettsville
- Moving Supplies & Equipment Rental, Jarrettsville
- Moving Truck Rental , Jarrettsville
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