- Machine Shop & Tool Repair Service, Springfield
- Machinery, Supplies & Equipment - Business Supplies Related, Springfield
- Machinery, Supplies & Equipment - Construction & Contractor Related, Springfield
- Management Consultants & Services, Springfield
- Manufacturing, Springfield
- Masonry Materials & Supplies, Springfield
- Medical Supplies & Equipment, Springfield
- Methodist Church, Springfield
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- Mexican Restaurants, Springfield
- Middle Eastern Restaurants, Springfield
- Miscellaneous Agriculture, Springfield
- Miscellaneous Government, Springfield
- Monuments, Tombstones, Markers & Memorials, Springfield
- Motor Vehicle, Springfield
- Motor Vehicle Rental & Leasing, Springfield
- Moving Truck Rental , Springfield
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