| ADSI | Abu Dhabi Systems Integration 
| Others |
| ADSI | Active Directory Service Interface
| Others |
| ADSI | Active Directory Service Interfaces
| Others |
| ADSI | Active Directory Services Interface
| Others |
| ADSI | Active Directory Services Interfaces
| Others |
| ADSI | Advanced Diagnostic Solutions Inc
| Others |
| ADSI | Advanced Distribution Solutions Inc
| Others |
| ADSI | Advise Design Supply and Install
| Others |
| ADSI | African Digital Schools Initiative
| Others |
| ADSI | Air Defense System Integrator
| Others |
| ADSI | Air Defense Systems Integrator
| Others |
| ADSI | Aligned Development Strategies Inc
| Others |
| ADSI | American Defense Systems Inc
| Others |
| ADSI | American Defense Systems, Inc
| Others |
| ADSI | American Defense Systems, Inc.
| Others |
| ADSI | American Delivery Service, Inc.
| Others |
| ADSI | Analog Display Service Interface
| Others |
| ADSI | Analog Display Services Interface
| Others |
| ADSI | Analogue Display Services Interface
| Others |
| ADSI | Another Damn Silly Interface
| Others |
| ADSI | Application Data Systems Inc
| Others |
| ADSI | Applied Data Systems Inc
| Others |
| ADSI | Applied Data Systems, Inc.
| Others |
| ADSI | Association of Defensive Shooting Instructors
| Others |