- Laboratories Dental, East Aurora
- Laboratories Medical, East Aurora
- Land Surveyor, East Aurora - Land Surveying Services
- Landscape Contractors & Designers, East Aurora
- Landscape Lighting, East Aurora
- Landscaping, East Aurora
- Lawn & Garden Equipment & Supplies, East Aurora
- Lawn & Garden Sprinkler Systems, East Aurora
- Lawn Mower Repair & Blade Sharpening Service, East Aurora
- Lawn Mowers & Power Equipment, East Aurora
- Lawyers & Attorneys, East Aurora
- Legal & Tax Services, East Aurora
- Legal Professionals, East Aurora
- Libraries, East Aurora
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- Licensed Counselors, East Aurora
- Lighting Fixtures & Equipment, East Aurora
- Liquid Filters, East Aurora
- Liquor & Beer Manufacturers, East Aurora
- Liquor Stores, East Aurora
- Loans Personal, East Aurora
- Locks, East Aurora
- Locksmiths, East Aurora - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, East Aurora
- Lodging, East Aurora
- Long Haul Trucking Companies, East Aurora
- Lumber & Lumber Products, East Aurora
- Lumber & Lumber Products, East Aurora
- Lutheran Church, East Aurora
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