| Automotive Repair & Service in Union, ME (3) | Churches in Union, ME (3) |
| Dairy Farm in Union, ME (3) | Fire Departments in Union, ME (3) |
| Insurance in Union, ME (3) | Schools in Union, ME (3) |
| Ambulance Service in Union, ME (2) | Automobile Repairing & Service in Union, ME (2) |
| Banks in Union, ME (2) | Bed & Breakfast Accommodations in Union, ME (2) |
| Building Contractors in Union, ME (2) | Carpentry Contractor in Union, ME (2) |
| Convenience Stores in Union, ME (2) | Elementary Secondary School in Union, ME (2) |
| Excavating Contractors in Union, ME (2) | Government Offices in Union, ME (2) |
| Medical & Surgical Organizations in Union, ME (2) | Real Estate in Union, ME (2) |
| Restaurants in Union, ME (2) | Stables in Union, ME (2) |
| Advertising - Agencies & Counselors in Union, ME (1) | Amusement Recreation Services Fish Hatchery Preserve in Union, ME (1) |
| Animal Services in Union, ME (1) | Antiques - Dealers in Union, ME (1) |
| Appliances - Household - Major - Dealers in Union, ME (1) | Art Galleries & Dealers in Union, ME (1) |
| Associations in Union, ME (1) | Auctioneers in Union, ME (1) |
| Automobile Seatcovers Tops & Upholstery in Union, ME (1) | Baskets in Union, ME (1) |
| Beauty Salons in Union, ME (1) | Berry Farms in Union, ME (1) |
| Boarding Houses in Union, ME (1) | Business Consulting Contractor in Union, ME (1) |
| Campgrounds in Union, ME (1) | Canoes in Union, ME (1) |
| Carpet & Rug Dealers - New in Union, ME (1) | Caskets (Wholesale) in Union, ME (1) |
| Child Day Care Services in Union, ME (1) | Commercial Art Graphic Design in Union, ME (1) |
| Computer Services in Union, ME (1) | Computer Software in Union, ME (1) |
| Contractors - Supplies in Union, ME (1) | Copying & Duplicating Service in Union, ME (1) |
| Dancing Supplies in Union, ME (1) | Dentists in Union, ME (1) |
| Doors - Garage in Union, ME (1) | Electric Contractors in Union, ME (1) |
| Elementary Secondary Schools in Union, ME (1) | Embroidery in Union, ME (1) |
| Fairgrounds in Union, ME (1) | Farms in Union, ME (1) |
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| Florists - Retail in Union, ME (1) | Food Preparations (Manufacturers) in Union, ME (1) |
| Fraternal Organizations in Union, ME (1) | Frozen Food Processors in Union, ME (1) |
| Fruits & Vegetables - Growers & Shippers in Union, ME (1) | Fund Raising Counselors & Organizations in Union, ME (1) |
| General Contractor in Union, ME (1) | General Contractors in Union, ME (1) |
| General Crop Farm in Union, ME (1) | Gift Shops in Union, ME (1) |
| Grocery - Retail in Union, ME (1) | Guide Service in Union, ME (1) |
| Halls & Auditoriums in Union, ME (1) | Handbags in Union, ME (1) |
| Hardware - Retail in Union, ME (1) | Hats - Retail in Union, ME (1) |
| Health Clubs Studios & Gymnasiums in Union, ME (1) | Heating Equipment & Systems (Wholesale) in Union, ME (1) |
| Heating Installation Service in Union, ME (1) | Heavy Equipment Repair & Mfg Mechanical Equipment in Union, ME (1) |
| Historical Organizations in Union, ME (1) | Home Contractor in Union, ME (1) |
| House Construction Contractors in Union, ME (1) | Hydraulic Equipment - Manufacturers in Union, ME (1) |
| Ice Cream Parlors in Union, ME (1) | Interior Designers in Union, ME (1) |
| Janitor Service in Union, ME (1) | Landscape Contractors in Union, ME (1) |
| Lawn Garden Services in Union, ME (1) | Libraries - Public in Union, ME (1) |
| Library Executive Office in Union, ME (1) | Local Trucking Operator in Union, ME (1) |
| Logging Contractor & Broker in Union, ME (1) | Machine Shops in Union, ME (1) |
| Marriage & Family Counselors in Union, ME (1) | Masonry And Stonework in Union, ME (1) |
| Massage Therapists in Union, ME (1) | Mfg Plastic Materials Resins in Union, ME (1) |
| Mfg Printing Trades Machinery in Union, ME (1) | Mfg Signs in Union, ME (1) |
| Milling in Union, ME (1) | National Commercial Bank in Union, ME (1) |
| New House Construction Contractor in Union, ME (1) | Nonprofit Educational Organization in Union, ME (1) |
| Painting Contractors in Union, ME (1) | Pavement Marking in Union, ME (1) |
