- Lighthouse Photography Inc
- Lithuanian Citizens Society
- Lithuanian Hall Bingo
- Little Chicago's Pizzeria
- Lockerroom Bar & Grill
- Logjam Inc
- Lunasea Hair Designs
- Lux Ornamental Iron Works
- Luxx Inc
- Lynch & Assoc Architect
- M & L Imports
- M Berger Ind Real Estate Co
- M C Vending Svc
- M J Machining & Fabricating Co
- Mad Momma Designs Inc