| Churches in Duncannon, PA (14) | Restaurants in Duncannon, PA (13) |
| Automobile Repairing & Service in Duncannon, PA (8) | Beauty Salons in Duncannon, PA (7) |
| Automobile Dealers - Used Cars in Duncannon, PA (6) | Government Offices in Duncannon, PA (6) |
| Insurance in Duncannon, PA (5) | Excavating Contractors in Duncannon, PA (4) |
| Home Improvements in Duncannon, PA (4) | Antiques - Dealers in Duncannon, PA (3) |
| Attorneys & Lawyers in Duncannon, PA (3) | Automobile Body - Repairing & Painting in Duncannon, PA (3) |
| Bars in Duncannon, PA (3) | Computer Services in Duncannon, PA (3) |
| Fire Departments in Duncannon, PA (3) | Furniture - Dealers in Duncannon, PA (3) |
| Hotels & Motels in Duncannon, PA (3) | Schools in Duncannon, PA (3) |
| Air Conditioning Contractors & Systems in Duncannon, PA (2) | Auctioneers in Duncannon, PA (2) |
| Child Care Service in Duncannon, PA (2) | Child Day Care Services in Duncannon, PA (2) |
| Concrete - Ready Mixed in Duncannon, PA (2) | Convenience Stores in Duncannon, PA (2) |
| Department Stores in Duncannon, PA (2) | Financial Planning Consultants in Duncannon, PA (2) |
| Florists - Retail in Duncannon, PA (2) | Funeral Home in Duncannon, PA (2) |
| Government Offices - County in Duncannon, PA (2) | Hardware - Retail in Duncannon, PA (2) |
| Lawn Garden Services Landscape Services in Duncannon, PA (2) | Meat - Retail in Duncannon, PA (2) |
| Notaries - Public in Duncannon, PA (2) | Police Departments in Duncannon, PA (2) |
| Retreat Houses in Duncannon, PA (2) | Schools - Nursery & Kindergarten in Duncannon, PA (2) |
| Television - Cable & Catv in Duncannon, PA (2) | Accountants in Duncannon, PA (1) |
| Advertising Agency Newspaper in Duncannon, PA (1) | Air Water Waste Management in Duncannon, PA (1) |
| Amusement Recreation Services Periodicals - Publishing Pr in Duncannon, PA (1) | Animal Hospitals in Duncannon, PA (1) |
| Apartments in Duncannon, PA (1) | Architects in Duncannon, PA (1) |
| Arts Organizations & Information in Duncannon, PA (1) | Associations in Duncannon, PA (1) |
| Automobile Dealers - New Cars in Duncannon, PA (1) | Automobile Inspection Stations - New Used in Duncannon, PA (1) |
| Banks in Duncannon, PA (1) | Beer & Ale - Wholesale in Duncannon, PA (1) |
| Book Dealers - Retail in Duncannon, PA (1) | Book Store in Duncannon, PA (1) |
| Bus Lines in Duncannon, PA (1) | Butchering in Duncannon, PA (1) |
| Campgrounds in Duncannon, PA (1) | Chiropractors in Duncannon, PA (1) |
| Community Action Agencies in Duncannon, PA (1) | Computer & Equipment Dealers in Duncannon, PA (1) |
| Concrete Contractors in Duncannon, PA (1) | Crafts in Duncannon, PA (1) |
| Dentists in Duncannon, PA (1) | Dry Wall Contractors in Duncannon, PA (1) |
| Education Centers in Duncannon, PA (1) | Elementary Secondary School in Duncannon, PA (1) |
| Engineering Consultant & Whol Audio Sound Systems in Duncannon, PA (1) | Engines - Marine in Duncannon, PA (1) |
| Family Restaurant Diners in Duncannon, PA (1) | Farm Markets in Duncannon, PA (1) |
| Farms in Duncannon, PA (1) | Fish Hatchery Preserve in Duncannon, PA (1) |
| Flea Markets in Duncannon, PA (1) | Floor Materials in Duncannon, PA (1) |
| Flooring Contractor & Furniture in Duncannon, PA (1) | Florist Gifts Novelties in Duncannon, PA (1) |
| Food Products (Wholesale) in Duncannon, PA (1) | Fraternal Organizations in Duncannon, PA (1) |
| Garbage Collection in Duncannon, PA (1) | General Contractors in Duncannon, PA (1) |
| Gift Shops in Duncannon, PA (1) | Greenhouses in Duncannon, PA (1) |
| Guns & Gunsmiths in Duncannon, PA (1) | Health Clubs Studios & Gymnasiums in Duncannon, PA (1) |
| Heating Contractors in Duncannon, PA (1) | Hobby & Model Constr Supplies - Retail in Duncannon, PA (1) |
| Home Contractor in Duncannon, PA (1) | Hospitals in Duncannon, PA (1) |
| Ice Cream Parlors in Duncannon, PA (1) | Inspection Service in Duncannon, PA (1) |
| Intermediate Care Facility in Duncannon, PA (1) | Lawn & Grounds Maintenance in Duncannon, PA (1) |
| Lawn Garden Services in Duncannon, PA (1) | Liquors - Retail in Duncannon, PA (1) |
| Local Passenger Transportation Insurance Agent Broker in Duncannon, PA (1) | Marketing Consultants in Duncannon, PA (1) |
| Masonry Contractors in Duncannon, PA (1) | Massage in Duncannon, PA (1) |
| Merchandise in Duncannon, PA (1) | Mfg Wood Household Furniture Ret Misc Homefurnishings in Duncannon, PA (1) |
| Mobile Homes - Parks & Communities in Duncannon, PA (1) | Money Transfer Service in Duncannon, PA (1) |
