What does ADSI stand for?

Active Directory Service Interface - Computer science

Active Directory Service Interfaces (FLAA)

Active Directory Services Interface - Computer science (HODG)

Adapted Delivered Source Instruction

Administrative Design Service Information (SAUS)

Advanced Directory Services Interface (SAUS)

Aircraft Design Services, Inc. - Commercial firm

Air Defense System Integrator - Military technology (DDF)

American Disposal Services, Inc. - NASDAQ symbol (SAG)

Analog Digital Subscriber Interface (VLIE)

Analog Display Services Interface - Interactive television technology

Asymmetric Digital Subscriber Line Forum (DDC)