- Landscaping Materials & Supplies, East Elmhurst
- Late Night Restaurants, East Elmhurst
- Laundry & Dry Cleaning Equipment & Supplies, East Elmhurst - Cleaners & Dryers Sales, Repair, Service & Leasing
- Laundry Self Service, East Elmhurst
- Lawyers & Attorneys, East Elmhurst
- Legal Professionals, East Elmhurst
- Libraries, East Elmhurst
- Limousine Service, East Elmhurst
- Linens, East Elmhurst
- Liquor Stores, East Elmhurst
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- Locks, East Elmhurst
- Locksmiths, East Elmhurst - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, East Elmhurst
- Lodging, East Elmhurst
- Lodging Services, East Elmhurst
- Long Haul Trucking Companies, East Elmhurst
- Lumber & Lumber Products, East Elmhurst
- Lumber & Lumber Products, East Elmhurst
- Lutheran Church, East Elmhurst
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