- Liekar Strategic Solution
- Life Pittsburgh
- Light Co
- Lighthouse Baptist Church
- Linda A Mates
- Linda Barnicott LTD Edition
- Liquor Control Board
- Liquor Control Board
- Little Snip
- Lokmer Photography Inc
- Lorenz Ave United Methodist Ch
- Lorenz Cafe
- Lori Allen Dance Ctr
- Louis J Corrado DDS
- Lucent Technologies
- Lugaila Mechanical Inc
- M & M Cleaning Svc
- M Grodin Financial Svc
- M R Jewelers
- Mac Travel
- Machine Shop Technologies Inst