| General Crop Farm in Thornton, IA (5) | Corn Farm Whol Livestock Soybean Farm in Thornton, IA (4) |
| Beauty Salons in Thornton, IA (3) | Hog Farm Or Feedlot in Thornton, IA (3) |
| Beauty Shop in Thornton, IA (2) | Churches in Thornton, IA (2) |
| Electrical Contractor in Thornton, IA (2) | Insurance in Thornton, IA (2) |
| Real Property Lessor Vegetable Melon Farm in Thornton, IA (2) | Restaurants in Thornton, IA (2) |
| Accountants in Thornton, IA (1) | Acoustical Materials in Thornton, IA (1) |
| Animal Hospitals in Thornton, IA (1) | Auctioneers in Thornton, IA (1) |
| Cash Grains Farm in Thornton, IA (1) | Cattle Feedlot in Thornton, IA (1) |
| Cattle Ranching in Thornton, IA (1) | Computers - Service & Repair in Thornton, IA (1) |
| Convenience Stores in Thornton, IA (1) | Excavating Contractors in Thornton, IA (1) |
| Feed Mill Equipment & Supplies (Mfrs) in Thornton, IA (1) | Fertilizer Mixing Only (Manufacturers) in Thornton, IA (1) |
| Funeral Home in Thornton, IA (1) | Government Offices - County in Thornton, IA (1) |
| Grain - Dealers (Wholesale) in Thornton, IA (1) | Hardware - Retail in Thornton, IA (1) |
| Hobbies Toys Games in Thornton, IA (1) | Hog Farm Or Feedlot in Thornton, IA (1) |
| Holding Companies (Bank) in Thornton, IA (1) | Ice Cream Parlors in Thornton, IA (1) |
| Insurance Agent Broker in Thornton, IA (1) | Irrigation Systems & Equipment (Whol) in Thornton, IA (1) |
| Libraries - Public in Thornton, IA (1) | Livestock Producers in Thornton, IA (1) |
| Meat - Retail in Thornton, IA (1) | Merchandise in Thornton, IA (1) |
| Newspaper Feature Syndicates in Thornton, IA (1) | Non - Profit Organizations in Thornton, IA (1) |
| Plumbing Contractors & Plumbers in Thornton, IA (1) | Post Offices in Thornton, IA (1) |
| Public Relations Services in Thornton, IA (1) | Retreat Houses in Thornton, IA (1) |
| Schools in Thornton, IA (1) | State Government - Executive Offices in Thornton, IA (1) |
| Trucking - Contract Hauling in Thornton, IA (1) |
