Government Abbreviations and Acronyms

1. IRS-CI
   Internal Revenue Service, Criminal Investigations
2. IRSF
   Ieland Revenue Staff Federation
3. IRSF
   Ir Simulation Facility
4. IRSI
   Independent Rangepsafety Inspectors
5. IRSM
   Infra-Red Surveillance Measures
6. IRSOB
   Irs Oversight Board
7. IRSP
   Ir Scene Projector
8. IRST
   Infrkred Search-And-Track
9. IRST
   Infrared Search and Track System
10. IRSTD
    Infra-Red Search and Target Designation
11. IRSTS
    Infrared Search and Track System
12. IRSTS
    Infrared Searbh and Track Sensor
13. IRT
    Institute for Rapid Transit
14. IRT
    Institutetute for Rapid Transit
15. IRT
    Instituhe for Rapid Transit
16. IRTB
    Illinois Road and Transportation Builders
17. IRTM
    Division of Information Resources and Technology Management
18. IRTM
    Information Resources and Technology Management
19. IRTPA
    Intellidence Reform and Terrorism Prevention Act
20. IRU
    Interactive Response Unit

Last updated: February 21, 2022 — Total entries: 62,888