- Laboratories Medical, Prairie Grove
- Landscaping Materials & Supplies, Prairie Grove
- Lawn & Garden Equipment & Supplies, Prairie Grove
- Lawn & Garden Services, Prairie Grove
- Lawn Maintenance Services, Prairie Grove
- Lawyers & Attorneys, Prairie Grove
- Leather Goods, Prairie Grove
- Leather Tanning & Finishing Manufacturers, Prairie Grove
- Legal Professionals, Prairie Grove
- Libraries, Prairie Grove
- Life Insurance, Prairie Grove
- Liquor Stores, Prairie Grove
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- Loans Personal, Prairie Grove
- Local & Short Haul Trucking Companies, Prairie Grove
- Locks, Prairie Grove
- Locksmiths, Prairie Grove - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, Prairie Grove
- Lodging, Prairie Grove
- Logistics Freight, Prairie Grove
- Long Haul Trucking Companies, Prairie Grove
- Lumber & Lumber Products, Prairie Grove
- Lumber & Lumber Products, Prairie Grove
- Lumber Companies, Prairie Grove - Wholesale, Manufacturers & Suppliers
- Lutheran Church, Prairie Grove
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