English abbreviations from sei to sem
- SEI (Software Engineering Institute)
- SEIA (Sustainable Energy Industry Association)
- SEIC (Safety Education and Instruction Council)
- SEICAP (Space Enhanced Intel Capabilities)
- SEI CMM (Software Engineering Institute Capabilities Maturity Model)
- SEIM (Software Engineering Improvement Method)
- SEIP (Systems Engineering and Implementation Plan)
- SEIT (Space Environmental Impacts Tool)
- SEIU (Service Employees International Union)
- SEK (Srednekolymsk Airport)
- SEL (All Airports (code was used in Gimpo International Airport))
- SELA (Symbolic Expanded of Lotus Applications)
- SELC (Sierra Expeditionary Logistics Center)
- SELCAL (Selective calling)
- SELCOM (Select Committee)
- SELF (Strong Education For Latinos Future)
- SELL (Special Education Leadership Liaison)
- SELRES (Selected Reserve)
- SELV (Safe Extra Low Voltage)
- SEM (Subsea Electronics Module)
