Business groups starting with "L"
- L & M Food Market - Laflamme & Assoc
- Lafond Dagenais - Langenwalter Carpet Dyeing
- Langford Cleaners - Laura Petites
- Laura Secord - LCTaylor Licensed Insolvency Trustee
- Lds Diagnostic Laboratories - Lefty's Cafe
- Legacy Builders Wealth Management - Level 10 Martial Arts College
- Level Clothing CO - Lifestyles
- Lifetime Dental Care - Liquor Barn
- Liquor Board Stores - Lock Around the Clock
- Lock Care - Lofranco Corriero Personal Injury Lawyers
- Loft - Lorne Murphy Foods Ltd
- Lorraine's Beauty Salon - Lovell Drugs Ltd
- Lovely Nails - Lutheran Life Insurance Soc
- Lutherville Timonium Locksmiths - Lyrette Opticians