| Government Offices - County in Plankinton, SD (12) | Cattle Ranching in Plankinton, SD (9) |
| General Crop Farm in Plankinton, SD (9) | Churches in Plankinton, SD (7) |
| Restaurants in Plankinton, SD (7) | Automobile Repairing & Service in Plankinton, SD (6) |
| Corn Farm Whol Livestock Soybean Farm in Plankinton, SD (6) | Hotels & Motels in Plankinton, SD (6) |
| Insurance in Plankinton, SD (5) | Schools in Plankinton, SD (5) |
| Attorneys & Lawyers in Plankinton, SD (4) | Bars in Plankinton, SD (4) |
| County Government - Finance & Taxation in Plankinton, SD (4) | Federal Government - Conservation Depts in Plankinton, SD (3) |
| Florists - Retail in Plankinton, SD (3) | Glass - Auto Plate & Window & Etc in Plankinton, SD (3) |
| Restaurant in Plankinton, SD (3) | Retreat Houses in Plankinton, SD (3) |
| Automotive Repair & Service in Plankinton, SD (2) | Beauty Salons in Plankinton, SD (2) |
| Bowling Centers in Plankinton, SD (2) | Building Materials in Plankinton, SD (2) |
| Carpet & Rug Dealers - New in Plankinton, SD (2) | Cattle Feedlot in Plankinton, SD (2) |
| Chiropractors in Plankinton, SD (2) | City Government - Executive Offices in Plankinton, SD (2) |
| Clinics in Plankinton, SD (2) | County Government - Courts in Plankinton, SD (2) |
| County Government - Public Health Programs in Plankinton, SD (2) | County Government - Public Order & Safety in Plankinton, SD (2) |
| Electric Contractors in Plankinton, SD (2) | Farms in Plankinton, SD (2) |
| Food Products - Retail in Plankinton, SD (2) | Funeral Home in Plankinton, SD (2) |
| Garbage Collection in Plankinton, SD (2) | Gift Shops in Plankinton, SD (2) |
| Government Offices - State in Plankinton, SD (2) | Grain Elevators in Plankinton, SD (2) |
| Grocery - Retail in Plankinton, SD (2) | Holding Companies (Bank) in Plankinton, SD (2) |
| Hunting & Fishing Preserves in Plankinton, SD (2) | Legal Services in Plankinton, SD (2) |
| Liquors - Retail in Plankinton, SD (2) | Livestock Hauling in Plankinton, SD (2) |
| Oils - Fuel (Wholesale) in Plankinton, SD (2) | Physicians & Surgeons in Plankinton, SD (2) |
| Post Offices in Plankinton, SD (2) | Real Property Lessor Vegetable Melon Farm in Plankinton, SD (2) |
| Resorts in Plankinton, SD (2) | Senior Citizens Service in Plankinton, SD (2) |
| Service Stations - Gasoline & Oil in Plankinton, SD (2) | Sheriff in Plankinton, SD (2) |
| Title Companies in Plankinton, SD (2) | Truck Stops & Plazas in Plankinton, SD (2) |
| Website Design Service in Plankinton, SD (2) | Wheat Farm in Plankinton, SD (2) |
| Accounting & Bookkeeping in Plankinton, SD (1) | Administrative Public Health Programs in Plankinton, SD (1) |
| Aerial Applicators in Plankinton, SD (1) | Animal Services in Plankinton, SD (1) |
| Artists Agents in Plankinton, SD (1) | Auctioneers in Plankinton, SD (1) |
| Beauty Shop in Plankinton, SD (1) | Bowling Alley in Plankinton, SD (1) |
| Bulk Fuel Distribution in Plankinton, SD (1) | Carpet & Rug Cleaners in Plankinton, SD (1) |
| Chicken Egg Farm Sheep Goat Farm in Plankinton, SD (1) | Child Day Care Services in Plankinton, SD (1) |
| Clubs in Plankinton, SD (1) | County Courthouse in Plankinton, SD (1) |
| County Government - Executive Offices in Plankinton, SD (1) | Criminal Justice in Plankinton, SD (1) |
| Dairy Farm in Plankinton, SD (1) | Dentists in Plankinton, SD (1) |
| Diner in Plankinton, SD (1) | Embroidery in Plankinton, SD (1) |
| Executive Office in Plankinton, SD (1) | Feed - Manufacturers in Plankinton, SD (1) |
| Field Crop Farm in Plankinton, SD (1) | Florist Gifts in Plankinton, SD (1) |
| Foods - Carry Out in Plankinton, SD (1) | Formal Wear - Rental in Plankinton, SD (1) |
| Fuel Management in Plankinton, SD (1) | Funeral Service Crematory in Plankinton, SD (1) |
| Gasoline Service Station in Plankinton, SD (1) | Gasoline Station Construction Service in Plankinton, SD (1) |
| General Construction in Plankinton, SD (1) | Gifts Shop in Plankinton, SD (1) |
| Golf Courses - Public in Plankinton, SD (1) | Government Offices in Plankinton, SD (1) |
| Government Offices in Plankinton, SD (1) | Grain - Dealers (Wholesale) in Plankinton, SD (1) |
| Grocery Stores in Plankinton, SD (1) | Halls & Auditoriums in Plankinton, SD (1) |
| Health Services in Plankinton, SD (1) | Home Health Care Services Whol Chemicals Products Whol in Plankinton, SD (1) |
| Hunter Trapper Game Management Hotel Motel Operation in Plankinton, SD (1) | Ice Cream Parlors in Plankinton, SD (1) |
| Installs Floor Coverings in Plankinton, SD (1) | Libraries - Public in Plankinton, SD (1) |
