- Machine Shop & Tool Repair Service, Rayville
- Machinery, Supplies & Equipment - Business Production Related, Rayville
- Machinery, Supplies & Equipment - Business Supplies Related, Rayville
- Machinery, Supplies & Equipment - Construction & Contractor Related, Rayville
- Manufacturing, Rayville
- Masonry Materials & Supplies, Rayville
- Material Handling Equipment, Rayville - Conveyor Belt, Pallet Jack, Forklift, etc
- Meat Market, Wholesale & Products, Rayville
- Medical Diagnostic Clinics, Rayville - Clinical Labs & Centers
- Membership Sports & Recreation Clubs, Rayville
- Mental Health Specialists, Rayville - Psychologist, Psychiatrist, Psychotherapist, etc
- Methodist Church, Rayville
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- Mexican Restaurants, Rayville
- Mini & Self Storage, Rayville
- Mirrors, Rayville - Custom, Framed, Bathroom, Vanity & Wall Mirrors
- Miscellaneous Agriculture, Rayville
- Miscellaneous Government, Rayville
- Miscellaneous Personal Services, Rayville
- Miscellaneous Professional, Rayville
- Mission Churches, Rayville
- Mortgage Bankers & Correspondents, Rayville
- Motor Vehicle, Rayville
- Motor Vehicle Rental & Leasing, Rayville
- Moving Truck Rental , Rayville
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