- Machinery, Supplies & Equipment - Business Supplies Related, Quarryville
- Machinery, Supplies & Equipment - Construction & Contractor Related, Quarryville
- Magazine Printing & Publishing, Quarryville
- Mailboxes Retail, Quarryville
- Major Appliances, Quarryville - Household & Kitchen
- Management Consultants & Services, Quarryville
- Manicurists & Pedicurists, Quarryville
- Manufacturing, Quarryville
- Manufacturing Products, Quarryville
- Masonry Materials & Supplies, Quarryville
- Medical Supplies & Equipment, Quarryville
- Membership Sports & Recreation Clubs, Quarryville
- Men's Clothing Stores, Quarryville - Clothes & Accessories
- Mennonite Church, Quarryville
- Merchandise Sales Events, Quarryville
- Metal Tablets, Quarryville
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- Methodist Church, Quarryville
- Miscellaneous Household Item Repair, Quarryville
- Miscellaneous Government, Quarryville
- Miscellaneous Industry, Quarryville
- Miscellaneous Photographers, Quarryville
- Miscellaneous Professional, Quarryville
- Monuments, Tombstones, Markers & Memorials, Quarryville
- Mortgage Bankers & Correspondents, Quarryville
- Mortgages & Loans, Quarryville
- Motor Vehicle, Quarryville
- Motorcycle Parts & Equipment, Quarryville
- Motorcycle Parts, Accessories & Dealers, Quarryville
- Motorcycle Performance Racing Equipment & Service, Quarryville
- Muffler Shop & Exhaust Systems, Quarryville
- Mulch, Peat & Moss Products, Quarryville
- Music, Quarryville
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