| Restaurants in St Charles, IL (102) | General Contractors in St Charles, IL (74) |
| Insurance in St Charles, IL (61) | Physicians & Surgeons in St Charles, IL (56) |
| Real Estate in St Charles, IL (51) | Attorneys & Lawyers in St Charles, IL (47) |
| Banks in St Charles, IL (39) | Dentists in St Charles, IL (36) |
| Accountants in St Charles, IL (31) | Beauty Salons in St Charles, IL (31) |
| Schools in St Charles, IL (29) | Landscape Contractors in St Charles, IL (28) |
| Real Estate Loans in St Charles, IL (25) | Churches in St Charles, IL (23) |
| Home Builders in St Charles, IL (23) | Business Management Consultants in St Charles, IL (21) |
| Computer Software in St Charles, IL (20) | Computers - System Designers & Consultants in St Charles, IL (20) |
| Marriage & Family Counselors in St Charles, IL (18) | Chiropractors in St Charles, IL (17) |
| Cleaners in St Charles, IL (17) | Electric Contractors in St Charles, IL (17) |
| Marketing Consultants in St Charles, IL (16) | Painters in St Charles, IL (16) |
| Automobile Repairing & Service in St Charles, IL (15) | Financial Advisory Services in St Charles, IL (15) |
| Government Offices in St Charles, IL (15) | Manufacturers - Agents & Representatives in St Charles, IL (15) |
| Printers in St Charles, IL (15) | Gift Shops in St Charles, IL (14) |
| Manicure & Nail Salons in St Charles, IL (14) | Photographers - Portrait in St Charles, IL (14) |
| Plumbing Contractors & Plumbers in St Charles, IL (13) | Antiques - Dealers in St Charles, IL (12) |
| Architects in St Charles, IL (12) | Financial Planning Consultants in St Charles, IL (12) |
| Jewelers - Retail in St Charles, IL (12) | Air Conditioning Contractors & Systems in St Charles, IL (11) |
| Automobile Body - Repairing & Painting in St Charles, IL (11) | Automobile Dealers - New Cars in St Charles, IL (11) |
| Engineers - Professional in St Charles, IL (11) | Grocery - Retail in St Charles, IL (11) |
| Heating Contractors in St Charles, IL (11) | Associations in St Charles, IL (10) |
| Department Stores in St Charles, IL (10) | Home Improvements in St Charles, IL (10) |
| Hotels & Motels in St Charles, IL (10) | Interior Decorators Design & Consultants in St Charles, IL (10) |
| Roofing Contractors & Roofers in St Charles, IL (10) | Travel Agencies & Bureaus in St Charles, IL (10) |
| Advertising - Agencies & Counselors in St Charles, IL (9) | Carpet & Rug Cleaners in St Charles, IL (9) |
| Dancing Instruction in St Charles, IL (9) | Electronic Equipment & Supplies - Retail in St Charles, IL (9) |
| Health Clubs Studios & Gymnasiums in St Charles, IL (9) | Investment Securities in St Charles, IL (9) |
| Real Estate Developers in St Charles, IL (9) | Social Service & Welfare Organizations in St Charles, IL (9) |
| Women's Apparel - Retail in St Charles, IL (9) | Apartments in St Charles, IL (8) |
| Massage Therapists in St Charles, IL (8) | Carpenters in St Charles, IL (7) |
| Carpet & Rug Dealers - New in St Charles, IL (7) | Cellular Telephones (Services) in St Charles, IL (7) |
| Child Care Service in St Charles, IL (7) | Concrete Contractors in St Charles, IL (7) |
| Convenience Stores in St Charles, IL (7) | Employment Agencies & Opportunities in St Charles, IL (7) |
| Excavating Contractors in St Charles, IL (7) | Florists - Retail in St Charles, IL (7) |
| Food Products (Wholesale) in St Charles, IL (7) | Liquors - Retail in St Charles, IL (7) |
| Molds (Manufacturers) in St Charles, IL (7) | Paving Contractors in St Charles, IL (7) |
| Service Stations - Gasoline & Oil in St Charles, IL (7) | Signs in St Charles, IL (7) |
| Art Galleries & Dealers in St Charles, IL (6) | Bars in St Charles, IL (6) |
| Business Services in St Charles, IL (6) | Car Washing & Polishing in St Charles, IL (6) |
| Coffee Shops in St Charles, IL (6) | Consultants - Business in St Charles, IL (6) |
| Draperies & Curtains - Custom in St Charles, IL (6) | Graphic Designers in St Charles, IL (6) |
| Packaging Service in St Charles, IL (6) | Pest Control in St Charles, IL (6) |
| Physical Therapists in St Charles, IL (6) | Services in St Charles, IL (6) |
| Storage - Household & Commercial in St Charles, IL (6) | Tree Service in St Charles, IL (6) |
| Advertising - Direct Mail in St Charles, IL (5) | Construction Management in St Charles, IL (5) |
| Educational Consultants in St Charles, IL (5) | Environmental & Ecological Services in St Charles, IL (5) |
| Government Offices - County in St Charles, IL (5) | Handyman Services in St Charles, IL (5) |
| Home Health Service in St Charles, IL (5) | Internet Service in St Charles, IL (5) |
| Janitor Service in St Charles, IL (5) | Machinery - New (Wholesale) in St Charles, IL (5) |
