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