- Labor Organizations, Gatesville
- Landscaping, Gatesville
- Lawn & Garden Chemicals, Insecticides & Fertilizers, Gatesville
- Lawn & Garden Equipment & Supplies, Gatesville
- Lawn & Garden Services, Gatesville
- Lawn & Tree Service, Gatesville
- Lawn Maintenance Services, Gatesville
- Lawn Mower Repair & Blade Sharpening Service, Gatesville
- Lawn Spraying & Treatment, Gatesville
- Lawyers & Attorneys, Gatesville
- Legal Professionals, Gatesville
- Libraries, Gatesville
- Licensed Counselors, Gatesville
- Life Insurance, Gatesville
- Liquor Stores, Gatesville
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- Livestock, Gatesville
- Livestock Commission, Gatesville
- Livestock Services, Gatesville
- Loans Personal, Gatesville
- Local & Short Haul Trucking Companies, Gatesville
- Locks, Gatesville
- Locksmiths, Gatesville - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, Gatesville
- Lodging, Gatesville
- Lodging Services, Gatesville
- Long Haul Trucking Companies, Gatesville
- Lp Gas Equipment & Supplies, Gatesville
- Lumber & Lumber Products, Gatesville
- Lumber & Lumber Products, Gatesville
- Lutheran Church, Gatesville
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