- Accounting, Auditing & Bookkeeping Services, Wellsville
- Agriculture, Wellsville
- Animal Feeds, Wellsville
- Animal Hospitals, Wellsville - Veterinary Clinic & Hospital
- Antique Stores, Wellsville - Antique Mall, Dealers & Shops
- Apartment Building Operators, Wellsville
- Apartments & Buildings, Wellsville
- Arts & Crafts Supplies & Stores, Wellsville
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- Arts & Culture, Wellsville
- Assembly Of God Church, Wellsville
- Auto Body Repair & Paint Shop, Wellsville - Auto Body Shop
- Auto Parts, Accessories, Equipment & Supplies, Wellsville
- Auto Repair Shops & Maintenance Service, Wellsville - Auto Mechanic & Car Repair Shops
- Auto Services, Wellsville
- Auto, Car & Truck Accessories, Wellsville
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