Corporate Names
- Allegheny County Steam Heating Company.1
- Allegheny Heights Hospital and Sanitarium (Davis, W. Va.)3
- Allegheny Orchard Company.2
- Allegheny Power System, Inc.1
- Alpha Cement Company.2
- Alpha Delta Pi Sorority.3
- Alpha Delta Sigma.5
- Alpha Delta Theta.5
- Alpha Epsilon Delta.4
- Alpha Gamma Rho Fraternity.1
- Alpha Kappa Psi.2
- Alpha Phi Delta Fraternity.1
- Alpha Phi Omega.6
- Alpha Phi.3
- Alpha Tau Alpha.3
- Alpha Xi Delta Soroity.1
- Alpha Xi Delta.4
- Alpha Zeta.2
- Amalgamated Clothing Workers of America. Local 692.1
- Amalgamated Clothing and Textile Workers Union.4