- Land Surveyor, Jennings - Land Surveying Services
- Laser Printers, Jennings - Office Supplies
- Laundry Equipment Rental & Leasing, Jennings
- Lawn & Garden Chemicals, Insecticides & Fertilizers, Jennings
- Lawyers & Attorneys, Jennings
- Legal & Tax Services, Jennings
- Legal Professionals, Jennings
- Libraries, Jennings
- Life Insurance, Jennings
- Lighting Fixtures & Equipment, Jennings
- Lime & Limestone, Jennings
- Limousine Service, Jennings
- Liquor Stores, Jennings
- Livestock, Jennings
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- Living Word Church, Jennings
- Loans Check Cashing, Jennings
- Loans Personal, Jennings
- Loans Title Services, Jennings
- Locks, Jennings
- Locksmiths, Jennings - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, Jennings
- Lodging, Jennings
- Lodging Services, Jennings
- Long Haul Trucking Companies, Jennings
- Lumber & Lumber Products, Jennings
- Lumber & Lumber Products, Jennings
- Lutheran Church, Jennings
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