- Ladders Wholesale, Bonnyville
- Land Surveyor, Bonnyville - Land Surveying Services
- Landscape Contractors & Designers, Bonnyville
- Landscape Garden Services, Bonnyville
- Landscaping, Bonnyville
- Landscaping Materials & Supplies, Bonnyville
- Laser Therapy Clinics, Bonnyville
- Laundromats & Dry-Cleaning, Coin-Operated, Bonnyville
- Laundry Self Service, Bonnyville
- Lawn & Garden Chemicals, Insecticides & Fertilizers, Bonnyville
- Lawn & Garden Services, Bonnyville
- Lawn Maintenance Services, Bonnyville
- Lawyers & Attorneys, Bonnyville
- Legal Professionals, Bonnyville
- Legislative Bodies, Bonnyville
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- Libraries, Bonnyville
- License & Registry Services, Bonnyville
- Life Insurance, Bonnyville
- Liquid Transportation - Non Hazardous, Bonnyville
- Liquor Stores, Bonnyville
- Loans Personal, Bonnyville
- Local & Short Haul Trucking Companies, Bonnyville
- Locks, Bonnyville
- Locksmiths, Bonnyville - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, Bonnyville
- Lodging, Bonnyville
- Lodging Services, Bonnyville
- Loggers, Bonnyville
- Long Haul Trucking Companies, Bonnyville
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