- Adventace
- Agriculture Dept
- Air Duct Maintenance Inc
- Air Flow Technologies
- Albert Tarr Excavating
- All Pet Animal Hospital
- Allagheny Heritage Antiques
- Allegheny County Dist Justice
- Allegheny Health & Rehab Ctr
- Allegheny Health & Rehab Ctr
- Allegheny Heritage Builders
- Allegheny Lawn Maintenance
- Allegheny Medical Practice
- Allegheny Patient Svc Ctr
