| Corn Farm Whol Livestock Soybean Farm in Union, IA (6) | Churches in Union, IA (5) |
| General Crop Farm in Union, IA (5) | Beauty Salons in Union, IA (3) |
| Farms in Union, IA (3) | Ambulance Service in Union, IA (2) |
| Fertilizers (Wholesale) in Union, IA (2) | Real Estate in Union, IA (2) |
| Accountants in Union, IA (1) | Air Cleaning & Purifying Equip (Whol) in Union, IA (1) |
| Automobile Dealers - New Cars in Union, IA (1) | Banks in Union, IA (1) |
| Cattle Feedlot in Union, IA (1) | City Government - Executive Offices in Union, IA (1) |
| Clergy in Union, IA (1) | Concrete - Ready Mixed in Union, IA (1) |
| Crane Service in Union, IA (1) | Crematories in Union, IA (1) |
| Data Processing Service in Union, IA (1) | Farm Equipment - Repairing & Parts in Union, IA (1) |
| Feed Store & Farm in Union, IA (1) | Fraternal Organizations in Union, IA (1) |
| Fuel Management in Union, IA (1) | General Animal Farm in Union, IA (1) |
| General Contractors in Union, IA (1) | Gift Shops in Union, IA (1) |
| Golf Courses - Public in Union, IA (1) | Government Offices in Union, IA (1) |
| Grain Elevators in Union, IA (1) | Grocery - Retail in Union, IA (1) |
| Insurance in Union, IA (1) | Insurance Agent Broker in Union, IA (1) |
| Libraries - Public in Union, IA (1) | Livestock Producers in Union, IA (1) |
| Lumber Yard Wooden Roof Trusses in Union, IA (1) | Manufacturing Representative in Union, IA (1) |
| Meat Products in Union, IA (1) | Meat Fish in Union, IA (1) |
| Parks in Union, IA (1) | Photo Portrait Studio in Union, IA (1) |
| Plumbing Contractors & Plumbers in Union, IA (1) | Real Property Lessor Vegetable Melon Farm in Union, IA (1) |
| Religious Organization in Union, IA (1) | Restaurants in Union, IA (1) |
| Schools in Union, IA (1) | Soybean Farm Corn Farm in Union, IA (1) |
| Telephone Companies in Union, IA (1) | Vegetable Melon Farm in Union, IA (1) |
| Veterinarians in Union, IA (1) | Welding in Union, IA (1) |
