- Labor & Employment Consultants, Shelbyville
- Laboratories Medical, Shelbyville
- Land Companies, Shelbyville
- Land Surveyor, Shelbyville - Land Surveying Services
- Landscape Contractors & Designers, Shelbyville
- Landscaping, Shelbyville
- Late Night Restaurants, Shelbyville
- Lawn & Garden Chemicals, Insecticides & Fertilizers, Shelbyville
- Lawn & Garden Decor & Ornaments, Shelbyville
- Lawn & Garden Equipment & Supplies, Shelbyville
- Lawn & Garden Services, Shelbyville
- Lawn Maintenance Services, Shelbyville
- Lawn Mower Repair & Blade Sharpening Service, Shelbyville
- Lawn Mowers & Power Equipment, Shelbyville
- Lawyers & Attorneys, Shelbyville
- Legal & Tax Services, Shelbyville
- Legal Professionals, Shelbyville
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- Libraries, Shelbyville
- Life Insurance, Shelbyville
- Lighting Fixtures & Equipment, Shelbyville
- Liquor Stores, Shelbyville
- Lithograph Inks Manufacturers, Shelbyville
- Livestock, Shelbyville
- Loans Personal, Shelbyville
- Local & Short Haul Trucking Companies, Shelbyville
- Lodging, Shelbyville
- Lodging Services, Shelbyville
- Log Homes - Log Cabins Builders, Shelbyville - Building Contractors
- Loggers, Shelbyville
- Long Haul Trucking Companies, Shelbyville
- Lubricating Oils , Shelbyville - Motor Oil
- Lumber & Lumber Products, Shelbyville
- Lumber & Lumber Products, Shelbyville
- Lutheran Church, Shelbyville
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