- Laboratories Dental, Morrisville
- Laboratories Medical, Morrisville
- Lamp Shades, Morrisville
- Lamps & Lamp Shades Retail, Morrisville - Desk, Table & Floor Lamps
- Land Surveyor, Morrisville - Land Surveying Services
- Landscape Contractors & Designers, Morrisville
- Landscaping, Morrisville
- Landscaping Materials & Supplies, Morrisville
- Late Night Restaurants, Morrisville
- Laundry Self Service, Morrisville
- Lawn & Garden Equipment & Supplies, Morrisville
- Lawn & Garden Services, Morrisville
- Lawn & Garden Sprinkler Systems, Morrisville
- Lawn Maintenance Services, Morrisville
- Lawyers & Attorneys, Morrisville
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- Legal Professionals, Morrisville
- Limousine Service, Morrisville
- Lingerie & Underwear for Women, Morrisville - Bras, Panties, Bustiers, Corsets & More
- Liquor Stores, Morrisville
- Live Theaters, Morrisville
- Local & Short Haul Trucking Companies, Morrisville
- Locks, Morrisville
- Locksmiths, Morrisville - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, Morrisville
- Lodging, Morrisville
- Long Haul Trucking Companies, Morrisville
- Lottery Game Retailers, Morrisville
- Lumber & Lumber Products, Morrisville
- Lumber & Lumber Products, Morrisville
- Lutheran Church, Morrisville
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