- Labor Organizations, Courtenay
- Laboratories Dental, Courtenay
- Laboratories Medical, Courtenay
- Laminating Services, Courtenay
- Lamp Shades, Courtenay
- Lamps & Lamp Shades Retail, Courtenay - Desk, Table & Floor Lamps
- Land Surveyor, Courtenay - Land Surveying Services
- Landscape Contractors & Designers, Courtenay
- Landscaping, Courtenay
- Landscaping Materials & Supplies, Courtenay
- Lapidary Supplies & Equipment, Courtenay
- Laser Therapy Clinics, Courtenay
- Lawn & Garden Equipment & Supplies, Courtenay
- Lawn & Garden Services, Courtenay
- Lawn & Garden Supplies & Equipment, Courtenay
- Lawn & Garden Supply, Courtenay
- Lawn Bowling, Courtenay
- Lawn Hydroseeding, Courtenay
- Lawn Maintenance Services, Courtenay
- Lawn Mower Repair & Blade Sharpening Service, Courtenay
- Lawn Mowers & Power Equipment, Courtenay
- Lawyers & Attorneys, Courtenay
- Leather Goods Cleaners & Dyers, Courtenay
- Leather Goods Stores & Dealers, Courtenay
- Legal & Tax Services, Courtenay
- Legal Information & Referral Services, Courtenay
- Legal Professionals, Courtenay
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- Libraries, Courtenay
- Life Insurance, Courtenay
- Lighting Fixtures & Equipment, Courtenay
- Limousine Service, Courtenay
- Line Marking Equipment & Services, Courtenay
- Lingerie & Underwear for Women, Courtenay - Bras, Panties, Bustiers, Corsets & More
- Liquid Transportation - Non Hazardous, Courtenay
- Liquor Stores, Courtenay
- Live Theaters, Courtenay
- Livestock, Courtenay
- Living Room Furniture, Courtenay
- Loans Personal, Courtenay
- Locks, Courtenay
- Locksmiths, Courtenay - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, Courtenay
- Lodging, Courtenay
- Lodging Hostels, Courtenay
- Lodging Services, Courtenay
- Loggers, Courtenay
- Long Haul Trucking Companies, Courtenay
- Lottery Game Retailers, Courtenay
- Lubricating Oils , Courtenay - Motor Oil
- Luggage & Accessories , Courtenay
- Lumber & Lumber Products, Courtenay
- Lumber & Lumber Products, Courtenay
- Lutheran Church, Courtenay
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