- Labels & Tags, West Springfield
- Labor Organizations, West Springfield
- Laboratories Dental, West Springfield
- Laboratories Medical, West Springfield
- Laminated Plastic Plate & Sheet Manufacturers, West Springfield
- Laminating Services, West Springfield
- Land Planning Services, West Springfield
- Land Surveyor, West Springfield - Land Surveying Services
- Landscape Contractors & Designers, West Springfield
- Landscape Design & Installation, West Springfield
- Landscaping, West Springfield
- Landscaping Equipment & Supplies Manufacturers, West Springfield
- Landscaping Materials & Supplies, West Springfield
- Laundromats & Dry-Cleaning, Coin-Operated, West Springfield
- Laundry Self Service, West Springfield
- Lawn & Garden Equipment & Supplies, West Springfield
- Lawn & Garden Services, West Springfield
- Lawn & Yard, West Springfield
- Lawn Maintenance Services, West Springfield
- Lawn Mowers & Power Equipment, West Springfield
- Lawyers & Attorneys, West Springfield
- Lead Paint Testing, Detection & Removal, West Springfield
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- Legal & Tax Services, West Springfield
- Legal Professionals, West Springfield
- Lending Services, West Springfield
- Lighting Equipment Manufacturers, West Springfield
- Lighting Fixtures & Equipment, West Springfield
- Lighting Fixtures Repair, Maintenance & Installation, West Springfield
- Lighting Fixtures Supplies & Parts Manufacturers, West Springfield
- Lighting Plants Manufacturers, West Springfield
- Liquor Stores, West Springfield
- Live Theaters, West Springfield
- Loans Personal, West Springfield
- Locks, West Springfield
- Locksmiths, West Springfield - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, West Springfield
- Lodging, West Springfield
- Lodging Services, West Springfield
- Long Haul Trucking Companies, West Springfield
- Lumber & Lumber Products, West Springfield
- Lumber & Lumber Products, West Springfield
- Lumber Companies, West Springfield - Wholesale, Manufacturers & Suppliers
- Lutheran Church, West Springfield
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