| Cattle Ranching in Petersburg, ND (3) | Churches in Petersburg, ND (3) |
| General Crop Farm in Petersburg, ND (3) | Grain Elevators in Petersburg, ND (3) |
| Bars in Petersburg, ND (2) | Cash Grains Farm in Petersburg, ND (2) |
| Cash Grains Farm Corn Farm in Petersburg, ND (2) | Fire Departments in Petersburg, ND (2) |
| Insurance in Petersburg, ND (2) | Schools in Petersburg, ND (2) |
| Transmissions - Automobile in Petersburg, ND (2) | Wheat Farm in Petersburg, ND (2) |
| Artists Agents in Petersburg, ND (1) | Auctioneers in Petersburg, ND (1) |
| Auto Transmission Repair in Petersburg, ND (1) | Banks in Petersburg, ND (1) |
| Beauty Shop in Petersburg, ND (1) | Clubs in Petersburg, ND (1) |
| Electric Contractors in Petersburg, ND (1) | Elementary Secondary Schools in Petersburg, ND (1) |
| Energy Conservation & Mgmt Consultants in Petersburg, ND (1) | Farms in Petersburg, ND (1) |
| Fertilizers (Wholesale) in Petersburg, ND (1) | Fire Protection in Petersburg, ND (1) |
| Fuel - Retail in Petersburg, ND (1) | Horse Breeders in Petersburg, ND (1) |
| House Construction Contractors in Petersburg, ND (1) | Non - Profit Organizations in Petersburg, ND (1) |
| Oils - Fuel (Wholesale) in Petersburg, ND (1) | Petroleum Bulk Station in Petersburg, ND (1) |
| Post Offices in Petersburg, ND (1) | Real Property Lessor Vegetable Melon Farm in Petersburg, ND (1) |
| Repair Services Bookbinding Related Work in Petersburg, ND (1) | Saddlery & Harness in Petersburg, ND (1) |
| State Bank in Petersburg, ND (1) | Television Stations & Broadcasting Co in Petersburg, ND (1) |
| Testing Labrtrs in Petersburg, ND (1) | Truck Terminal Facility in Petersburg, ND (1) |
| Water & Sewage Companies - Utility in Petersburg, ND (1) | Water Supply Service in Petersburg, ND (1) |
| Whol Grain Field Beans in Petersburg, ND (1) |
