| Abbreviation | Definition |
|---|---|
| ACCR | Allegheny County Coalition for Recovery |
| ACCW | Alexander County Championship Wrestling |
| ACDA | Allegheny County District Attorney |
| ACDS | Alameda County Dental Society |
| ACDS | Athens County Dog Shelter |
| ACED | Adams County Economic Development |
| ACEH | Alameda County Environmental Health |
| ACEL | Alachua County Emerging Leaders |
| ACEMS | Athens County Emergency Medical Services |
| ACFAC | Asotin County Family Aquatic Center |
| ACFD | Alameda County Fire Department |
| ACFD | Arlington County Fire Department |
| ACFL | All-County Football League |
| ACFR | Alachua County Fire Rescue |
| ACGS | Alachua County Genealogical Society |
| ACGS | Alcorn County Genealogical Society |
| ACHD | Ada County Highway District |
| ACHD | Allegheny County Health Department |
| ACHF | Albany County Hockey Facility |
| ACHS | Adams County Historical Society |