| Churches in Fairfield, IL (22) | Oil & Gas Producers in Fairfield, IL (18) |
| Corn Farm Whol Livestock Soybean Farm in Fairfield, IL (17) | Retreat Houses in Fairfield, IL (14) |
| Beauty Salons in Fairfield, IL (13) | Insurance in Fairfield, IL (13) |
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| Accountants in Fairfield, IL (8) | Automobile Dealers - Used Cars in Fairfield, IL (8) |
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| Oil Field Service in Fairfield, IL (7) | Schools in Fairfield, IL (7) |
| Automobile Body - Repairing & Painting in Fairfield, IL (6) | Automotive Repair & Service in Fairfield, IL (6) |
| General Crop Farm in Fairfield, IL (6) | Machine Shops in Fairfield, IL (6) |
| Child Day Care Services in Fairfield, IL (5) | Clergy in Fairfield, IL (5) |
| Government Offices - County in Fairfield, IL (5) | Health Clubs Studios & Gymnasiums in Fairfield, IL (5) |
| Physicians & Surgeons in Fairfield, IL (5) | Tax Return Preparation & Filing in Fairfield, IL (5) |
| Antiques - Dealers in Fairfield, IL (4) | Appliances - Household - Major - Dealers in Fairfield, IL (4) |
| Elementary Secondary School in Fairfield, IL (4) | Heating Contractors in Fairfield, IL (4) |
| Service Stations - Gasoline & Oil in Fairfield, IL (4) | Tax Return Preparation Services in Fairfield, IL (4) |
| Automobile Parts & Supplies - Retail - New in Fairfield, IL (3) | Banks in Fairfield, IL (3) |
| Business Association in Fairfield, IL (3) | City Government - Executive Offices in Fairfield, IL (3) |
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| Veterinarians in Fairfield, IL (3) | Advertising - Specialties (Wholesale) in Fairfield, IL (2) |
| Air Conditioning Contractors & Systems in Fairfield, IL (2) | Alcoholism Information & Treatment Centers in Fairfield, IL (2) |
| Apartments in Fairfield, IL (2) | Appliances - Household - Major - Supls (Whol) in Fairfield, IL (2) |
| Auctioneers in Fairfield, IL (2) | Auto Body Repair Painting in Fairfield, IL (2) |
| Automobile Dealers - New Cars in Fairfield, IL (2) | Barbers in Fairfield, IL (2) |
| Bible Schools & Study in Fairfield, IL (2) | Car Washing & Polishing in Fairfield, IL (2) |
| Carpentry Contractor in Fairfield, IL (2) | Chiropractors in Fairfield, IL (2) |
| Computer - Software Developers in Fairfield, IL (2) | Cosmetics & Perfumes - Retail in Fairfield, IL (2) |
| Dentists in Fairfield, IL (2) | Dentists in Fairfield, IL (2) |
| Electric Contractors in Fairfield, IL (2) | Electric Motors - Dlrs Repairing (Whol) in Fairfield, IL (2) |
| Electrical Contractor in Fairfield, IL (2) | Environmental Excavating Contractor in Fairfield, IL (2) |
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| Liquors - Retail in Fairfield, IL (2) | Livestock Buyers in Fairfield, IL (2) |
| Loans in Fairfield, IL (2) | Lumber Yard Wooden Roof Trusses in Fairfield, IL (2) |
| Newspapers (Publishers) in Fairfield, IL (2) | Non - Durable Goods (Wholesale) in Fairfield, IL (2) |
| Oil & Gas Well Drilling in Fairfield, IL (2) | Oil Field Equipment (Wholesale) in Fairfield, IL (2) |
| Oil Well Logging & Perforating in Fairfield, IL (2) | Oil Gas Exploration Services in Fairfield, IL (2) |
| Oil Gas Field Services in Fairfield, IL (2) | Optometrist's in Fairfield, IL (2) |
| Optometrists Od in Fairfield, IL (2) | Pharmacies in Fairfield, IL (2) |
| Police Departments in Fairfield, IL (2) | Religious Organization in Fairfield, IL (2) |
