SDI is a three-letter abbreviation with many expansions. It is impossible to count exactly how many expansions there are, but it seems likely that few TLAs have a greater number of meanings.
English language
Less common expansions include:
- Sales document item
- Saratoga Direct Inc.
- Sarawak Development Institute
- Scientific Development and Integration
- Scion Digital Imaging
- Scuba Diving International
- Selective Dissemination of Information
- Serial Data Interface
- Service Dimensions Inc.
- Seoul Development Institute
- Socratic Dialogue Inducing Lab
- Software Development Institute
- Software Dynamics, Incorporated
- Southern Dental Industries Limited
- Spatial Development Initiatives
- Space Science and Engineering Center (SSEC) Desktop Ingestor
- Spatial Data Infrastructure
- Spatial Data Integrations, Inc.
- Stamp Dealers International
- State Disability Insurance, California, USA
- Statistics on Depository Institutions
- Steel Deck Institute
- Steel Dynamics Inc.
- Strategic Diagnostics Inc.
- Strategic Directions International
- Strategic Distribution, Inc.
- Strengthening Democratic Institutions Project
- Sustainable Development Indicators
- Sustainable Development Information
- Sustainable Development Initiative
- Systems by Design of Illinois
- Systems Documentation, Inc.
Other languages
