| ACRS | Academic Case Review System 
| Others |
| ACRS | Accelerated Cost Recovery System
| Others |
| ACRS | Active Care Relationship Service
| Others |
| ACRS | Advanced Claims Review Specialists
| Others |
| ACRS | Advisor Committee on Reactor Safeguards
| Others |
| ACRS | Advisory Committee on Reactor Safeguards
| Others |
| ACRS | Aerobatic Contest Registration System
| Others |
| ACRS | Air Cushion Restraint System
| Others |
| ACRS | Alabama Christian Radio Station
| Others |
| ACRS | Allied Colon and Rectal Specialists
| Others |
| ACRS | American Center Reference Service
| Others |
| ACRS | Amphibian Conservation Research Symposium
| Others |
| ACRS | Amplified Common Rail System
| Others |
| ACRS | Anabaptist Center for Religion and Society
| Others |
| ACRS | Ancient Culture Research Society
| Others |
| ACRS | Apartment and Corporate Relocation Services
| Others |
| ACRS | Apple Certification Records System
| Others |
| ACRS | Applied Computational Research Society
| Others |
| ACRS | Arkansas Consumer Report System
| Others |
| ACRS | Arms Control and Regional Security
| Others |
| ACRS | Asian Conference on Remote Sensing
| Others |
| ACRS | Asian Counseling and Referral Service
| Others |
| ACRS | Asian Counseling Referral Service
| Others |
| ACRS | Association Canadienne des Revues Savantes
| Others |
| ACRS | Astrographic Catalog Reference Stars
| Others |
| ACRS | Australasian College of Road Safety
| Others |
| ACRS | Australian Cabler Registration Service
| Others |
| ACRS | Australian Camellia Research Society
| Others |
| ACRS | Australian Coral Reef Society
| Others |
| ACRS | Automated Computer Response System
| Others |
| ACRS | Automated Conflict Resolution System
| Others |
| ACRS | Automated Customer Registration System
| Others |
| ACRS | Automatic Cushion Restraint System
| Others |
| ACRS | Automotive Collision Repair Services
| Others |
| ACRS | Canadian Science Writers' Association
| Others |