| Abbreviation | Definition |
|---|---|
| ACRU | Active Confirmed Registered Users |
| ACRU | Annual Corporate and Regulatory Update |
| ACRU | Anvullende CAO Rijk Uitzendingen |
| ACRU | Archives and Corporate Records Unit |
| ACRU | Asbestos Contractors Registration Unit |
| ACRU | Asbestos Contractors' Registration Unit |
| ACRU | Associazione Collegi e Residenze Universitarie |
| ACRV | Air Conditioning Refrigeration Ventilation |
| ACRV | Arrhythmogenic Cardiomyopathies of the Right Ventricle |
| ACRW | Alpha Centurion Runners Walkers |
| ACRWC | Addison County River Watch Collaborative |
| ACRWC | Alberta Capital Region Wastewater Commission |
| ACRWC | children's rights in Africa |
| ACS | Access Control Server |
| ACS | Active Chassis Setting |
| ACS | Active City Stop |
| ACS | Active Comfort Seats |
| ACS | Adcock Cross Section |
| ACS | Administration for Children s |
| ACS | Administrative Civil Service |