Abbreviations beginning with i

IRRSInternational Rail Road Systems Incorporated
Regional » Railroads

IRRSInternational Relations and Regional Studies
Regional

IRRSPIndustrial Radiography Radiation Safety Personnel
Community

IRRSTInternal Rotation Resistance Strength Test
Academic & Science

IRRSWONInternational Rainfed Rice Shallow Water Observational Nursery (now IRLON)
Academic & Science

IRRSWON-EInternational Rainfed Rice Shallow Water Observational Nursery - Early (now IRLON)
Academic & Science

IRRTInternational Regulatory Review Team
Academic & Science

IRRTInternational Relations Round Table
Academic & Science » Universities

IRRTIntel Rapid Recover Technology
Computing » Technology

IRRTIndependent Readiness Review Team
Governmental

IRRTInternational Relations Round Table
International

IRRTImagery Rescripting and Reprocessing Therapy
Medical » Therapy

IRRTIntermittent Renal Replacement Therapy
Medical » Hospitals

IRRTIndustrial Relations Research Trust (Dublin, Ireland)
Miscellaneous

IRRTIntel Rapid Recovery Technology
Miscellaneous

IRRTInteractive Rating Readiness Tool
Miscellaneous » Unclassified

IRRTInternational Relations Round Table (est. 1949; American Library Association)
Miscellaneous

IRRXInfra Red Module Data Receive
Computing » IT