SIR | School of International Relations (Iran) | |
SIR | Society of Interventional Radiology | |
SIR | Staten Island Railway (NY, formerly SIRT, Staten Island Rapid Transit) | |
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SIR | Self-Insured Retention | |
SIR | Summary Information Return | |
SIR | Spaceborne Imaging Radar | |
SIR | Social Information Retrieval (various organizations) | |
SIR | Scholar in Residence | |
SIR | Social Indicators Research (various organizations) | |
SIR | Shooting Incident Reconstruction (forensics) | |
SIR | Security Intelligence Report (Microsoft threat analysis) | |
SIR | Standardized Incidence Ratio | |
SIR | Serial Infrared | |
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SIR | Signal-to-Interference Ratio | |
SIR | Short Interest Ratio (finance) | |
SIR | Surface Insulation Resistance | |
SIR | Shuttle Imaging Radar | |
SIR | Savings-to-Investment Ratio | |
SIR | Statistical Inventory Reconciliation | |
SIR | Specific Information Requirement (US DoD) | |
SIR | Statement of Intent to Register (College) | |
SIR | Screening Information Request (US FAA; same as RFP) | |
SIR | Supplemental Inflatable Restraint | |
SIR | Silent Information Regulator | |
SIR | Serious Incident Report | |
SIR | Single Instance Repository | |
SIR | Statutory Invention Registration | |
SIR | Society of Insurance Research | |
SIR | Singapore Infantry Regiment | |
SIR | Seattle International Raceway | |
SIR | Special Investment Region (Dholera, Gujarat, India) | |
SIR | System Impedance Ratio (power systems) | |
SIR | Susceptible-Infected-Removed | |
SIR | Social Investigation Report (Juvenile Justice Act; India) | |
SIR | Société Ivoirienne de Raffinage (Abidjan, Ivory Coast) | |
SIR | Security Incident Report | |
SIR | Southeastern Institute of Research (ad survey firm) | |
SIR | Starting Independent Researcher (European Research Council grant) | |
SIR | Standard Indonesian Rubber | |
SIR | Specific Insulation Resistance (electrical engineering) | |
SIR | Sons In Retirement (Northern California retired men's luncheon club) | |
SIR | Scientific Information Retrieval | |
SIR | Selected Ion Recording (mass spectrometry) | |
SIR | Singapore Immigration and Registration | |
SIR | Statistical Information Retrieval | |
SIR | Safeguards Implementation Report | |
SIR | Stepped Impedance Resonator | |
SIR | Speech Intelligibility Rating | |
SIR | Safety Investigation Report | |
SIR | Sequential Importance Resampling | |
SIR | Sigma Iota Rho (international studies honorary society) | |
SIR | Single Interactive Repository (computing) | |
SIR | System Investigation Request | |
SIR | Session Initiation Request | |
SIR | Sample Inspection Report (engineering prototype) | |
SIR | Selective Integrated Rail System (law enforcement product) | |
SIR | Snow and Ice on Runway | |
SIR | Supervised Intensive Restitution (Alabama prison program) | |
SIR | Sorry If Repost | |
SIR | Simulated Intelligence Robotics | |
SIR | System Integration Review | |
SIR | Spatial Impulse Response | |
SIR | System Incident Report | |
SIR | Submarine Intermediate Reactor | |
SIR | Service Information Request | |
SIR | Switched Integrated Rectifier (three phase transformer-rectifier power supply) | |
SIR | Simple Indexing and Retrieval | |
SIR | Standard Information Retrieval unit | |
SIR | Systems Integrated Research (UK educational software firm) | |
SIR | Standard-Issue Information Retrieval Unit (Invader Zim) | |
SIR | Smooth Interpersonal Relationship | |
SIR | Supplier Information Request | |
SIR | Source Initiated Reservation | |
SIR | Society of Individual Rights (1960s San Francisco homophile group) | |
SIR | Skill Independent Regional (Visas) | |
SIR | Scheduled Inspection and Repair | |
SIR | Site Inspection Request | |
SIR | Service Implementation Repository | |
SIR | Semiannual Inventory Report | |
SIR | Smith Industrial Rubber | |
SIR | Software Incident Report | |
SIR | Sooner International Raceway | |
SIR | Sensitive, Intermediate, Resistant | |
SIR | Safety Interlock Relay | |
SIR | Set Iron Rod | |
SIR | Sveriges Inredningsarkitekters Riksförbund | |
SIR | Search, Inspection & Recovery | |
SIR | Society of Independent Representatives Inc | |
SIR | Special Inspection Requirement | |
SIR | Sequential Independent Reviews | |
SIR | Stored Information Retriever | |
SIR | Surveillance Information Retrieval (gaming) | |
SIR | Supervisor Investigation Reports (insurance) | |
SIR | Special Investigative Requirement | |
SIR | Scramble Intercept Recovery | |
SIR | Supplier Incident Rate | |