- Laboratories Dental, Griffith
- Laboratories Medical, Griffith
- Landscape Contractors & Designers, Griffith
- Landscaping, Griffith
- Laundry Self Service, Griffith
- Lawn & Garden Equipment & Supplies, Griffith
- Lawn & Garden Services, Griffith
- Lawn Maintenance Services, Griffith
- Lawn Mowers & Power Equipment, Griffith
- Lawyers & Attorneys, Griffith
- Legal & Tax Services, Griffith
- Legal Professionals, Griffith
- Letter Shop & Addressing Services, Griffith
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- Libraries, Griffith
- License Services, Griffith
- Life Insurance, Griffith
- Liquor & Beer Manufacturers, Griffith
- Liquor Stores, Griffith
- Loans Personal, Griffith
- Locksmiths, Griffith - Residence, Commercial, Safe & Auto Car Locksmith
- Lodging, Griffith
- Long Haul Trucking Companies, Griffith
- Lumber & Lumber Products, Griffith
- Lumber & Lumber Products, Griffith
- Lutheran Church, Griffith
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