- Advanced Hair & Apollo-Pttsbrg
- Advanti Fortier & Patton
- Advertisers Associates Inc
- Afrika Yetu
- Ahn's Inc Express
- AIG
- Air & Waste Management Assn
- Air & Waste Mgmt Assn Bulletin
- Aker Kvaerner
- Al May Mfg Jewelers
- Alan Finegold & Co
- Alan W Tamarelli Jr Attorney
- Albert Curry & Co
- Alco Parking Corp
- Alcohol Highway Safety Program
- Alcoholics Anonymous
- Alex's International
- All Credit Finance
- All Directions
- Allegheny Child Care Academy
- Allegheny Childcare Academy
- Allegheny Childcare Academy
- Allegheny Childcare Academy
- Allegheny Cnty Adult Probation
- Allegheny Cnty Adult Probation
- Allegheny Cnty Port Authority
- Allegheny Co Pa Us Govt Cu
- Allegheny Commercial Printing
- Allegheny County Aging Div
- Allegheny County Assistance
- Allegheny County Bar Fndtn
- Allegheny County Children Svc
- Allegheny County Community
- Allegheny County Consumer Actn
- Allegheny County Court-Common
- Allegheny County Dept Of Human
- Allegheny County Hmn Svc Dept
- Allegheny County Housing Auth
- Allegheny County Labor Council
- Allegheny County Mental Health
- Allegheny County Mental Health
- Allegheny County Police
- Allegheny County Port Auth
- Allegheny County Republican
- Allegheny County WIC Program
- Allegheny Health Choices
- Allegheny Podiatry
- Allegheny Regional Asset Dist
- Allegheny Technologies Inc
