| ADCA | Advance Daily Christian Advocate 
| Others |
| ADCA | Advance Diploma in Computer Applications
| Others |
| ADCA | Advanced Degree Consulting Alliance
| Others |
| ADCA | Advanced Diploma in Computer Applications
| Others |
| ADCA | Aerospace Department Chair Association
| Others |
| ADCA | Aerospace Department Chairs Association
| Others |
| ADCA | Alcohol and other Drugs Council of Australia
| Others |
| ADCA | Alice Deal Community Association
| Others |
| ADCA | American Dental Coders Association
| Others |
| ADCA | American Devon Cattle Association
| Others |
| ADCA | American Dexter Cattle Association
| Others |
| ADCA | American Distance Counseling Association
| Others |
| ADCA | American Dream Community Agency
| Others |
| ADCA | Antique Doorknob Collectors of America
| Others |
| ADCA | Antwerp Delta Club Albatros
| Others |
| ADCA | Arts District Center for the Arts
| Others |
| ADCA | Association Of Dominican Classical Artists
| Others |
| ADCA | Athletic Directors and Coaches Association
| Others |
| ADCA | Aurora Denver Cardiology Associates
| Others |
| ADCA | Australian Die Casting Association
| Others |
| ADCA | Autosomal Dominant Cerebellar Ataxia
| Others |
| ADCA | Autosomal Dominant Cerebellar Ataxias
| Others |