| ADAC | Aboriginal Drug and Alcohol Council 
| Others |
| ADAC | Abu Dhabi Airport Company
| Others |
| ADAC | Abu Dhabi Airports Company
| Others |
| ADAC | Advanced Data Analysis Centre
| Others |
| ADAC | Advanced Digital Acoustic Coding
| Others |
| ADAC | Aerial Departure Arrival Control
| Others |
| ADAC | Aesthetic Dermatology Academy Conference
| Others |
| ADAC | Alcohol and Drug Assessment and Counselling
| Others |
| ADAC | Alcoholism and Drug Abuse Council
| Others |
| ADAC | Allergic Disease and Asthma Center
| Others |
| ADAC | Allgemeine Deutsche Automobil Club
| Others |
| ADAC | Allgemeine Deutscher Automobil-Club (General German Automobile Association)
| Others |
| ADAC | Allgemeiner Deutscher Auto Club
| Others |
| ADAC | Allgemeiner Deutscher Automobil Club
| Others |
| ADAC | Alternative Drug and Alcohol Counseling
| Others |
| ADAC | Alzheimers Disease Assistance Coalition
| Others |
| ADAC | Amateurs Dauphonois d'Automobiles de Collection
| Others |
| ADAC | Ammunition Descriptive Asset Codes
| Others |
| ADAC | Analog to Digital to Analog Converter
| Others |
| ADAC | Antineoplastic Drug Administration Course
| Others |
| ADAC | Antioch Damage Assessment Center
| Others |
| ADAC | Arctic Domain Awareness Center
| Others |
| ADAC | Arizona Dream Act Coalition
| Others |
| ADAC | Art Dealers Association of Canada
| Others |
| ADAC | Asociacion Automovilistica Y Deportiva de Catriel
| Others |
| ADAC | Asset Design and As Constructed
| Others |
| ADAC | Asset Design As Constructed
| Others |
| ADAC | Asset Designed As Constructed
| Others |
| ADAC | Associate Deans Academic Council
| Others |
| ADAC | Association Dues Assurance Corporation
| Others |
| ADAC | Atlanta Decorative Arts Center
| Others |
| ADAC | Auburn Development Advisory Committee
| Others |
| ADAC | Audiovector Discreet Active Concept
| Others |
| ADAC | Automatic Differentiation of Assembler Code
| Others |
| ADAC | Automatic Direct Analog Computer
| Others |
| ADAC | Average Daily Accommodation Charge
| Others |