- Advantage Scuba
- Agriculture Dept
- Agriculture Dog Law Enfrcmnt
- Agudath Achim Congregation
- Ajay's Cafe
- Aldo's Italian Restaurant
- All American Laundromat
- Allegheny Ballet
- Allegheny Brain & Spine Srgns
- Allegheny Glass & Mirror
- Allegheny Highland Assn-Real
- Allegheny Pain Management PC
- Allegheny Township Vlntr Fire
- Allegro Restaurant
