- Laboratories Dental, Kernersville
- Laboratories Medical, Kernersville
- Laminating Services, Kernersville
- Land Surveyor, Kernersville - Land Surveying Services
- Landscape Contractors & Designers, Kernersville
- Landscape Garden Services, Kernersville
- Landscape Lighting, Kernersville
- Landscaping, Kernersville
- Landscaping Materials & Supplies, Kernersville
- Late Night Restaurants, Kernersville
- Laundromats & Dry-Cleaning, Coin-Operated, Kernersville
- Laundry & Dry Cleaning Equipment & Supplies, Kernersville - Cleaners & Dryers Sales, Repair, Service & Leasing
- Laundry Equipment Leasing, Sales & Service, Kernersville
- Lawn & Garden Equipment & Supplies, Kernersville
- Lawn & Garden Services, Kernersville
- Lawn & Tree Service, Kernersville
- Lawn Maintenance Services, Kernersville
- Lawn Mowers & Power Equipment, Kernersville
- Lawyers & Attorneys, Kernersville
- Legal & Tax Services, Kernersville
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- Legal Professionals, Kernersville
- Libraries, Kernersville
- License Bureaus, Kernersville
- Licensed Counselors, Kernersville
- Lighting Fixtures & Equipment, Kernersville
- Liquor Stores, Kernersville
- Lithograph Inks Manufacturers, Kernersville
- Live Theaters, Kernersville
- Livestock, Kernersville
- Loans Personal, Kernersville
- Locks, Kernersville
- Locksmiths, Kernersville - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, Kernersville
- Lodging, Kernersville
- Lodging Services, Kernersville
- Logistics Freight, Kernersville
- Long Haul Trucking Companies, Kernersville
- Lumber Companies, Kernersville - Wholesale, Manufacturers & Suppliers
- Lutheran Church, Kernersville
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