| Churches in Petersburg, PA (7) | Excavating Contractors in Petersburg, PA (3) |
| Fire Departments in Petersburg, PA (3) | Camps in Petersburg, PA (2) |
| Convenience Stores in Petersburg, PA (2) | Government Offices in Petersburg, PA (2) |
| Landscape Contractors in Petersburg, PA (2) | Police Departments in Petersburg, PA (2) |
| Water Companies - Bottled, Bulk, Etc in Petersburg, PA (2) | Accountants in Petersburg, PA (1) |
| Air Conditioning Contractors & Systems in Petersburg, PA (1) | Ambulance Service in Petersburg, PA (1) |
| Antiques - Dealers in Petersburg, PA (1) | Apartments in Petersburg, PA (1) |
| Associations in Petersburg, PA (1) | Automobile Body - Repairing & Painting in Petersburg, PA (1) |
| Banks in Petersburg, PA (1) | Beauty Salons in Petersburg, PA (1) |
| Carpet & Rug Cleaners in Petersburg, PA (1) | Carpet & Rug Dealers - New in Petersburg, PA (1) |
| Church Organizations in Petersburg, PA (1) | Clubs in Petersburg, PA (1) |
| Credit & Debt Counseling Services in Petersburg, PA (1) | Dancing Instruction in Petersburg, PA (1) |
| Electric Companies in Petersburg, PA (1) | Engineers - Consulting in Petersburg, PA (1) |
| Farms in Petersburg, PA (1) | Financial Planning Consultants in Petersburg, PA (1) |
| Foresters - Consulting in Petersburg, PA (1) | General Contractors in Petersburg, PA (1) |
| Gift Shops in Petersburg, PA (1) | Government - Forestry Services in Petersburg, PA (1) |
| Grocery - Retail in Petersburg, PA (1) | Home Improvements in Petersburg, PA (1) |
| Log Cabins Homes & Buildings (Mfrs) in Petersburg, PA (1) | Mfg Prefabricated Metal Buildings in Petersburg, PA (1) |
| Nurseries - Plants Trees & Etc - Wholesale in Petersburg, PA (1) | Nurserymen in Petersburg, PA (1) |
| Pet Boarding & Sitting in Petersburg, PA (1) | Pizza in Petersburg, PA (1) |
| Post Offices in Petersburg, PA (1) | Recreation Centers in Petersburg, PA (1) |
| Refrigerating Equip - Coml (Wholesale) in Petersburg, PA (1) | Roofing Contractors & Roofers in Petersburg, PA (1) |
| Senior Citizens Service Organizations in Petersburg, PA (1) | Sign Painters in Petersburg, PA (1) |
| Taxidermists in Petersburg, PA (1) | Trucking in Petersburg, PA (1) |
| Veterans & Military Organizations in Petersburg, PA (1) | Warehouses - Merchandise & Self Storage in Petersburg, PA (1) |
| Women's Apparel - Wholesale in Petersburg, PA (1) |
