- Mail Delivery Service, Ellenville
- Major Appliances, Ellenville - Household & Kitchen
- Management Consultants & Services, Ellenville
- Manufacturers Agents & Representatives, Ellenville
- Manufacturers Representative, Ellenville - Reps, Independent Sales Representative, Sales Agent, etc
- Manufacturing, Ellenville
- Marriage & Family Counselors, Ellenville
- Martial Arts & Self Defense Schools, Ellenville
- Masonry Materials & Supplies, Ellenville
- Medical Supplies & Equipment, Ellenville
- Men's & Boys Clothing & Accessories Stores, Ellenville
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- Mens & Boys Hats, Gloves & Neckwear, Ellenville
- Mental Health Specialists, Ellenville - Psychologist, Psychiatrist, Psychotherapist, etc
- Methodist Church, Ellenville
- Ministries Church, Ellenville
- Miscellaneous Government, Ellenville
- Miscellaneous Manufacturing, Ellenville
- Mortgages & Loans, Ellenville
- Motor Vehicle, Ellenville
- Motor Vehicle Rental & Leasing, Ellenville
- Moving Truck Rental , Ellenville
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