- Ajak Funeral Home
- Alle-Keski Medical Assoc
- Alle-Kiski Medical Ctr
- Alle-Kiski Medical Ctr
- Alle-Kiski Womens Health
- Allegheny Aggregates Inc
- Allegheny Asssociates-Psych
- Allegheny Beverage
- Allegheny County Housing Auth
- Allegheny County Housing Auth
- Allegheny Educational Systems
- Allegheny Floral & Gift Shoppe
- Allegheny Intermediate Unit
- Allegheny Ludlum Steel
- Allegheny Ophthalmology Assoc
- Allegheny Pediatrics
- Allegheny Valley Anesthesia
- Allegheny Valley Ansthslgsts
- Allegheny Valley Assn Of Chrs
- Allegheny Valley Baptist Chr
- Allegheny Valley Hospital
- Allegheny Valley Pro Laborator
- Allegheny-Kiski Health Fndtn
