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| Dairy Farm in Mount Vernon, MO (6) | General Crop Farm in Mount Vernon, MO (6) |
| House Construction Contractors in Mount Vernon, MO (6) | Apartments in Mount Vernon, MO (5) |
| Insurance Agent Broker in Mount Vernon, MO (5) | Real Estate Agent Construction in Mount Vernon, MO (5) |
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| Automotive Repair & Service in Mount Vernon, MO (4) | Environmental Excavating Contractor in Mount Vernon, MO (4) |
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| Crushed Broken Limestone Whol Brick Stone Material in Mount Vernon, MO (3) | Dentists in Mount Vernon, MO (3) |
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| Legal Services in Mount Vernon, MO (2) | Local Passenger Transportation in Mount Vernon, MO (2) |
| Mfg Heating Equipment - Nonelectric in Mount Vernon, MO (2) | National Commercial Bank in Mount Vernon, MO (2) |
| Osteopathic Physician's Office in Mount Vernon, MO (2) | Plumbing Heating AC Contractor in Mount Vernon, MO (2) |
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| Special Warehouse Storage Oil Gas Exploration Services in Mount Vernon, MO (2) | Tax Return Preparation Services in Mount Vernon, MO (2) |
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| Travel Agency Transportation in Mount Vernon, MO (2) | Trucking, Except Local in Mount Vernon, MO (2) |
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| Wheat Farm in Mount Vernon, MO (2) | Whol Petroleum Products Gasoline Service Station in Mount Vernon, MO (2) |
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| Agriculture Extension Office in Mount Vernon, MO (1) | Animal Services in Mount Vernon, MO (1) |
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| Auto Home Supplies in Mount Vernon, MO (1) | Automobile Lubrication Service in Mount Vernon, MO (1) |
| Automobile Undercoating & Rustproofing in Mount Vernon, MO (1) | Automotive Services in Mount Vernon, MO (1) |
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| Barber Shop in Mount Vernon, MO (1) | Barber Shop in Mount Vernon, MO (1) |
| Bars in Mount Vernon, MO (1) | Beauty Shop in Mount Vernon, MO (1) |
| Book Dealers - Used & Rare in Mount Vernon, MO (1) | Books - Publishing Printing Book Printing in Mount Vernon, MO (1) |
| Cable Pay Television Service in Mount Vernon, MO (1) | Carpentry Contractor in Mount Vernon, MO (1) |
| Carwash in Mount Vernon, MO (1) | Carwash in Mount Vernon, MO (1) |
