| Corn Farm Whol Livestock Soybean Farm in Parker, SD (17) | Churches in Parker, SD (16) |
| Dairy Farm in Parker, SD (14) | Government Offices - County in Parker, SD (14) |
| General Crop Farm in Parker, SD (13) | Insurance in Parker, SD (8) |
| Restaurants in Parker, SD (8) | Banks in Parker, SD (6) |
| Beauty Salons in Parker, SD (6) | General Contractors in Parker, SD (6) |
| Schools in Parker, SD (6) | Attorneys & Lawyers in Parker, SD (5) |
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| Cattle Feedlot in Parker, SD (3) | Environmental Excavating Contractor in Parker, SD (3) |
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| Newspapers (Publishers) in Parker, SD (3) | Soybean Farm Corn Farm in Parker, SD (3) |
| Animal Feed & Supplies Nursery in Parker, SD (2) | Apartments in Parker, SD (2) |
| Automobile Parts & Supplies - Retail - New in Parker, SD (2) | Business Management Consultants in Parker, SD (2) |
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| Chiropractors in Parker, SD (2) | County Government - Executive Offices in Parker, SD (2) |
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| House Construction Contractors in Parker, SD (2) | Insurance - Inspection & Audits in Parker, SD (2) |
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| Optometrists Od in Parker, SD (2) | Pet Boarding & Sitting in Parker, SD (2) |
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| Real Estate in Parker, SD (2) | Real Property Lessor Vegetable Melon Farm in Parker, SD (2) |
| Restaurant in Parker, SD (2) | Service Stations - Gasoline & Oil in Parker, SD (2) |
| Sheriff in Parker, SD (2) | Title Companies in Parker, SD (2) |
| Vegetable Melon Farm in Parker, SD (2) | Water & Sewage Companies - Utility in Parker, SD (2) |
| Yak Ranch in Parker, SD (2) | Administrative Public Health Programs in Parker, SD (1) |
| Air Conditioning Contractors & Systems in Parker, SD (1) | Air Water Waste Management in Parker, SD (1) |
| Amusement Recreation Services in Parker, SD (1) | Animal Services in Parker, SD (1) |
| Animal Services in Parker, SD (1) | Appliance Repairs in Parker, SD (1) |
| Appliances - Household - Major - Repairing in Parker, SD (1) | Auto Home Supplies in Parker, SD (1) |
| Automobile Body - Repairing & Painting in Parker, SD (1) | Automobile Dealers - Used Cars in Parker, SD (1) |
| Automobile Repairing & Service in Parker, SD (1) | Automotive Repair & Service in Parker, SD (1) |
| Bakery in Parker, SD (1) | Bars in Parker, SD (1) |
| Beauty Shop in Parker, SD (1) | Boat Repairing in Parker, SD (1) |
| Candles in Parker, SD (1) | Carpet Upholstery Cleaning in Parker, SD (1) |
| Chiropractor's Office in Parker, SD (1) | Clinics in Parker, SD (1) |
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| Counseling Services in Parker, SD (1) | County Courthouse in Parker, SD (1) |
| County Government - Courts in Parker, SD (1) | Crop Harvesting Services in Parker, SD (1) |
| Dairies in Parker, SD (1) | Designs & Builds Dairies in Parker, SD (1) |
| Drug Store in Parker, SD (1) | Economic Research & Analysis in Parker, SD (1) |
| Electrical Contractor in Parker, SD (1) | Engineering Consultant & Whol Audio Sound Systems in Parker, SD (1) |
