- Advantage Tank Lines
- Advantage Tank Lines Inc
- Affordable Auto Sales
- AFSCME
- Agape Counseling Ctr
- Agape Counseling Ctr
- Alcon Manufacturing Co
- All American Liberty Bail Bond
- All Seasons Home Improvement
- All Sound Recording
- Allegany Com Internet Svc
- Allegany Podiatry
- Alleghany Concrete Co
- Allegheny & Eastern Railroad
- Allegheny Bean Co
- Allegheny Book Mart
- Allegheny Coupling Co
- Allegheny Ear Nose & Throat
- Allegheny Ear Nose & Throat
- Allegheny Floral Old Fashioned
- Allegheny Forestry Inc
- Allegheny Musarium
- Allegheny Outfitters
- Allegheny Point Assoc
- Allegheny Ribs
- Allegheny Transmission Svc
- Allegheny Valve Co
- Alleghney Mountain Martial
