| Abbreviation | Definition |
|---|---|
| ACAS | Advisory, Conciliation and Arbitration Service |
| ACAS | Automated Collection Analysis Service |
| ACBC | Alphabet City Brewing Company |
| ACBC | Alphabet City Brewing Company's |
| ACBC | Alton Court Brewery Company |
| ACBJ | American City Business Journals, Incorporated |
| ACBJI | American City Business Journals, Inc. |
| ACBK | Angel City Body Kinetics |
| ACC | Advanced Computer Connections |
| ACC | Advanced Computer Controls |
| ACC | Air Canada Centre |
| ACC | Anaheim Convention Center |
| ACC | Austin Convention Center |
| ACCA | Air Conditioning Contractors of America |
| ACCA | Air Courier Conference of America |
| ACCA | Assessment, Counseling, and Consulting Associates |
| ACCA-CO | Central Ohio Chapter of the Air Conditioning Contractors of America |
| ACCC | Affordable Chauffeured Classic Cars |
| ACCC | Anti Competitve Company Concentration |
| ACCC | Aurora Cord And Cable Company |