- Laboratory equipment supplier
- Logistics service
- Legal services
- Labor relations attorney
- Live music venue
- Live music bar
- Lamination service
- Laser cutting service
- Laser equipment supplier
- Landscape lighting designer
- Laboratory
- Landscaper
- Linens store
- Lighting store
- Landscaping supply store
- Linoleum store
- Lubricant
- Labor union
- Lock Store
- Livery company