- Ladders Wholesale, Morinville
- Landscape Contractors & Designers, Morinville
- Landscaping, Morinville
- Lawn & Garden Chemicals, Insecticides & Fertilizers, Morinville
- Lawn & Garden Services, Morinville
- Lawyers & Attorneys, Morinville
- Legal Professionals, Morinville
- Libraries, Morinville
- Life Insurance, Morinville
- Liquor Stores, Morinville
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- Livestock, Morinville
- Locks, Morinville
- Locksmiths, Morinville - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, Morinville
- Lodging, Morinville
- Lodging Services, Morinville
- Long Haul Trucking Companies, Morinville
- Lumber & Lumber Products, Morinville
- Lumber & Lumber Products, Morinville
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