| Corn Farm Whol Livestock Soybean Farm in Seneca, IL (16) | Restaurants in Seneca, IL (7) |
| Government Offices in Seneca, IL (6) | Churches in Seneca, IL (5) |
| General Crop Farm in Seneca, IL (5) | City Government - Executive Offices in Seneca, IL (4) |
| Retreat Houses in Seneca, IL (4) | Schools in Seneca, IL (4) |
| Beauty Salons in Seneca, IL (3) | Fertilizers (Wholesale) in Seneca, IL (3) |
| Fire Departments in Seneca, IL (3) | General Contractors in Seneca, IL (3) |
| Trucking in Seneca, IL (3) | Trucking Hauling Contractor in Seneca, IL (3) |
| Automobile Body - Repairing & Painting in Seneca, IL (2) | Banks in Seneca, IL (2) |
| Barbers in Seneca, IL (2) | Bars in Seneca, IL (2) |
| Chemicals (Wholesale) in Seneca, IL (2) | Child Care Service in Seneca, IL (2) |
| Child Day Care Services in Seneca, IL (2) | Doors - Garage in Seneca, IL (2) |
| Driving Instruction in Seneca, IL (2) | General Warehouse Storage in Seneca, IL (2) |
| Interior Decorators Design & Consultants in Seneca, IL (2) | National Commercial Bank in Seneca, IL (2) |
| Physicians & Surgeons in Seneca, IL (2) | Real Estate in Seneca, IL (2) |
| Service Stations - Gasoline & Oil in Seneca, IL (2) | Soybean Farm Corn Farm in Seneca, IL (2) |
| Storage - Household & Commercial in Seneca, IL (2) | Whol Farm Supplies Pest Control in Seneca, IL (2) |
| Acoustical Materials in Seneca, IL (1) | Alloys in Seneca, IL (1) |
| Animal Services in Seneca, IL (1) | Antiques - Dealers in Seneca, IL (1) |
| Appliances - Household - Major - Repairing in Seneca, IL (1) | Auctioneers in Seneca, IL (1) |
| Auto Body Repair Painting in Seneca, IL (1) | Automobile Parts - Used & Rebuilt in Seneca, IL (1) |
| Barber Shop in Seneca, IL (1) | Beauty Shop in Seneca, IL (1) |
| Boat Dealers Sales & Service in Seneca, IL (1) | Boat Mfg in Seneca, IL (1) |
| Boat Storage in Seneca, IL (1) | Business Association in Seneca, IL (1) |
| Business Management Consultants in Seneca, IL (1) | Cabinet Makers in Seneca, IL (1) |
| Campgrounds in Seneca, IL (1) | Camping Equipment - Renting in Seneca, IL (1) |
| Car Washing & Polishing in Seneca, IL (1) | Carpenters in Seneca, IL (1) |
| Carpentry Contractor in Seneca, IL (1) | Carpentry Contractor in Seneca, IL (1) |
| Carpet & Rug Dealers - New in Seneca, IL (1) | Carwash in Seneca, IL (1) |
| Cash Grains Farm in Seneca, IL (1) | Caterers in Seneca, IL (1) |
| Cattle Ranching in Seneca, IL (1) | Cellular Telephones (Services) in Seneca, IL (1) |
| Chiropractor's Office in Seneca, IL (1) | Chiropractors in Seneca, IL (1) |
| Civil Defense Agencies in Seneca, IL (1) | Clinics in Seneca, IL (1) |
| Coin - Operated Laundry in Seneca, IL (1) | Communications in Seneca, IL (1) |
| Convenience Stores in Seneca, IL (1) | Dentists in Seneca, IL (1) |
| Dentists in Seneca, IL (1) | Design Service in Seneca, IL (1) |
| Diving Instruction in Seneca, IL (1) | Electrical Contractor in Seneca, IL (1) |
| Elementary Secondary Schools in Seneca, IL (1) | Embroidery in Seneca, IL (1) |
| Embroidery in Seneca, IL (1) | Embroidery Services & Whol Advertising Specialties in Seneca, IL (1) |
| Farm Management Service in Seneca, IL (1) | Federal Government - International Affairs in Seneca, IL (1) |
| Feed Store & Farm in Seneca, IL (1) | Field Crop Farm in Seneca, IL (1) |
| Funeral Home in Seneca, IL (1) | Furniture Cabinetry in Seneca, IL (1) |
| General Electrical Contractor in Seneca, IL (1) | Grain Elevators in Seneca, IL (1) |
| Guns & Gunsmiths in Seneca, IL (1) | Halls & Auditoriums in Seneca, IL (1) |
| Hardware - Retail in Seneca, IL (1) | Heating Contractors in Seneca, IL (1) |
| Hobby & Model Constr Supplies - Retail in Seneca, IL (1) | Home Improvements in Seneca, IL (1) |
| House Construction Contractors in Seneca, IL (1) | Hunting & Fishing Preserves in Seneca, IL (1) |
| Industrial Equipment & Supplies (Whol) in Seneca, IL (1) | Insurance in Seneca, IL (1) |
| Landscape Contractors in Seneca, IL (1) | Laundries - Self Service in Seneca, IL (1) |
| Laundry Garment Services in Seneca, IL (1) | Lawn Garden Services Landscape Services in Seneca, IL (1) |
| Libraries - Public in Seneca, IL (1) | Liquors - Retail in Seneca, IL (1) |
