- Labor & Employment Consultants, Newton
- Laboratories Dental, Newton
- Laboratories Medical, Newton
- Lamp Repair, Newton
- Land Surveyor, Newton - Land Surveying Services
- Landscape Contractors & Designers, Newton
- Landscape Lighting, Newton
- Landscaping, Newton
- Laser Hair Removal, Newton
- Late Night Restaurants, Newton
- Laundry & Dry Cleaning Equipment & Supplies, Newton - Cleaners & Dryers Sales, Repair, Service & Leasing
- Laundry Self Service, Newton
- Lawn & Garden Equipment & Supplies, Newton
- Lawn & Garden Services, Newton
- Lawn & Garden Sprinkler Systems, Newton
- Lawn Maintenance Services, Newton
- Lawn Spraying & Treatment, Newton
|
- Lawyers & Attorneys, Newton
- Leather Goods Cleaners & Dyers, Newton
- Legal & Tax Services, Newton
- Legal Information & Referral Services, Newton
- Legal Professionals, Newton
- Library Furniture, Newton
- Lighting Fixtures & Equipment, Newton
- Limousine Service, Newton
- Linen Supply Services, Newton
- Liquor Stores, Newton
- Loans Personal, Newton
- Locks, Newton
- Locksmiths, Newton - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, Newton
- Lodging, Newton
- Lodging Services, Newton
- Long Term Care Facility, Newton
|