Common ACA Acronyms
- American Camp Association
- Arms Control Association
- American Correctional Association
- American Camping Association
- Air Canada (ICAO code)
- American Chiropractic Association
- American Counseling Association
- Army Contracting Agency
- Australian Communications Authority
- Amputee Coalition of America
- Adventure Cycling Association (Missoula, Montana)
- American Crystallographic Association
- American Canoe Association
- American Culture Association
- Atlantic Coast Airlines
- American Cable Association
- Australian Consumers' Association
- A Current Affair
- Anti-Corruption Agency (Malaysia)
- American Communication Association
- American Civic Association
- Association of Canadian Archivists
- Application Control Architecture (DEC)
- American Composers Alliance
- Adult Children of Alcoholics
- Anterior Cerebral Artery
- Automóvil Club Argentino
- American Collectors Association
- Appalachian College Association
- Applications of Computer Algebra
- Australian Centre for Astrobiology
- American Cycling Association
- Alley Cat Allies
- Australian Cricketers' Association
- Association of Consulting Actuaries
- American Council on Alcoholism
- Asociación Cristiana (Christian Association, Guatemala)
- Academy of Certified Archivists
- Acción Católica Argentina (Spanish)
- Allied Cash Advance
- Avis de Changement d'Adresse (Canada Post)
- American Compensation Association
- Australian Counselling Association (Grange, QLD, Australia)
- Australian Coal Association
- Anticardiolipin Antibody
- Agricultural Credit Association
- Adult Children Anonymous
- Anglican Church in America
- American Cichlid Association
- Ammoniacal Copper Arsenate (wood preservative)
- Anisotropic Conductive Adhesive (fine-pitch chip-on-flex packages for LCD applications)
- Akita Club of America
- American Cryptogram Association
- Annual Catholic Appeal
- Additional Central Assistance
- Associate of the Institute of Chartered Accountants
- Air Care Alliance
- Avanade Connected Architecture (Avanade Inc.)
- Airspace Control Authority
- Academic Building
- American Cornhole Association
- Association of Chartered Accountants
- American Chain Association
- Author Co-Citation Analysis
- Agriculture Council of America
- Aircraft Carrier Alliance
- Application Continuity Appliance (Teneros)
- Association for Communication Administration
- Air Commando Association
- Alberta Construction Association
- After Contract Award
- Atheist Community of Austin
- American Cadet Alliance
- Airspace Coordination Area
- Agricultural Credit Act of 1987
- Awassa College of Agriculture (Ethiopia)
- Australian Coastal Atlas
- Air Courier Association
- American Cuemakers Association
- Association of Consulting Architects
- Association of Chinese Americans
- Association for the Calligraphic Arts
- Alaska Conservation Alliance
- American Conservation Association
- Automatic Circuit Assurance
- Aluminum Company of America
- Asynchronous Communications Adapter
- Administrative Control Authority
- Associate Contractor Agreement
- Allan Crawford Associates (Canada)
- Arizona Contractors Association
- Alabama Cattlemen's Association
- Allegheny Cycling Association
- All Channel Alert (Canada)
- Architectural Cladding Association (UK)
- Antarctic Conservation Act
- American Creativity Academy (Kuwait)
- Adaptive Channel Allocation
- Association for Community Advocacy
- Allocation Chômeur Âgé
- Animal Charities of America
- Air Clearance Authority
- American Canine Association, Inc.
- Aircrew Association (UK)
- Abduction Central Alert
- Airlift Clearance Authority
- Association Canadienne d'Acoustique (Canadian Acoustical Association)
- Acapulco, Guerrero, Mexico - Alvarez International (Airport Code)
- Astronautics Corporation of America
- American Catahoula Association
- Australian Clogging Association
- Average Case Analysis
- American Cheerleaders Association
- Adjacent-Channel Attenuation
- Attitude Control Assembly
- American Countertrade Association
- Alzheimer's of Central Alabama
- Amphibian Conservation Alliance
- American Coach Association
- Advanced Combat Aircraft
- Avoids Cascading Aborts
- Alberta Chess Association
- Adviser Compliance Associates, LLC
- Arizona Cultural Academy (Phoenix, AZ)
- Alliance of Cambridge Advisors
- Archbishop's Catholic Appeal
- Alerting Communicators of America
- Alternate Command Authority
- Associate of the Conference of Consulting Actuaries
- Arizona Counselors Association
- Absolute Calibration Audit
- Adaptive Component Architecture
- Advanced Cargo Aircraft
- Access Control Agent
- American Chess Association
- American Craft Association
- All Composite Aircraft
- A36-A350 Corridor Alliance
- Artisan Contractors Association of America
- Aero Club Albatross (Delaware, NJ)
- Academy for Culinary Arts
- Air Control Authority
- Arts and Cultural Alliance
- Applied Combinatorial Analysis
- Asynchronous Criticality Avoidance
- Advertising Council of America
- Australian Croquet Association Inc
- Adaptive Configuration Agent
- Ambo College of Agriculture (Ethiopia)
- Assignment Control Authority
- American Carbohydrate Association
- Asociación Casa Alianza (Marriage Alliance Association, Guatemala)
- Acquisition Capability Assessment
- Anniston Chemical Activity (Anniston, Alabama)
- Autonomous Cooperating Agent
- Automatic Conference Arranger
- Automatic Contrast Adjustment
- Application Control Account
- American Cuesports Alliance
- Automatic Circuit Analyzer
- Adaptive Computing Architecture
- Aquadev Central Africa
- Asynchronous Cooperative Algorithm
- Average Coherence Approximation
- Advanced Commercial Airliner
- American Cheerleading Academy
- Amusement Corporation of America (carnivals and fairs)
- Automated Circuit Assurance
- Agricultural Credits Act of 1928
- Autobody Craftsmans Association
- Advanced Confidentiality Agreement
- Analysis of Collection Activity
- Active Circulator Antenna
- Airborne Collection Assembly
- All Call Answered (Sprint)
- Automatic Conference Arrangement
- Auto-Configuration Agent
- Advisory Committee on Aero-ballistics
- Advanced Contract Administrator
- Agent of the Certifying Authority (performs certification testing of systems)
