- Licensed Beverage Assn-Phila
- Life Changes
- Lighthouse Electrical
- Lima's Cleaning Svc
- Lindelle Studios
- Lionelli Collision Ctr
- Little Italy Deli & Pizzeria
- Little Pete's Steaks
- Little Victorian Village
- Lock's Phila Gun Exchange
- Locks 911
- Logo Info Systems
- Logos Tephillah House
- Long Yuan Chinese Restaurant
- Louis A Iatarola Appraisal LTD
- Lube Master
- Lucky Cat Systems
- Lutz Contracting
- Luzt Contracting
- M & M Mini Market
- M & T Bank
- M I Industries Inc
- M KARS Auto Shop
- Maddalo Crane Rental
