What does disi stand for?

door insulating system Index (SAUS)

Dairy Industries (or Industry) Society International (SAUO)

Defense Industrial Security Institute - DoD

Diode Ion Source Injector

Direct Injection Spark-Ignited - Engine

Direct Injection, Spark Ignition - Automotive engineering

Directory Information Services Infrastructure

Door Insulating Systems Index

Dorsal Intercalary Segment Instability - Medicine