Abbreviations & Acronyms Dictionary

Objective Systems Integration
Objective Systems Integrators
Occupational Stress Indicator
Ocean Security Initiative
Ocular Scanning Instrumentation
Off-Shore Islands
Office of Scientific Information
Office of Scientific Integrity
Office of Scientific Intelligence
Office of Scientific Investigation
Office of security inquires
Office of Special Investigation
Office of Special Investigations
Office of Strategic Influence
Office of Strategic Information
Office of Systems Integration
Office of Systems Integrations
Oil stability index
Oil Systems, Incorporated
On Site Inspection
On-Site Inspection
Online Service Information
Ontario Swine Improvement
Open Society Institute
Open Source Initiative
Open Source Institute
Open Space Institute
Open Ssytems Interconnection
Open Standards Interconnection
Open Switch Interval
Open Switching Interval
Open System Interconnect
Open System Interconnection
Open system interconnection.
Open System Interface
Open Systems Innterconnection
Open Systems Interconnect
Open Systems Interconnect model
Open Systems Interconnection
Open Systems Interconnection Standard
Open Systems Interconnections
Open Systems Interface
Open Systems Interworking
Opens Systems Interconnect
Operating Space Item
Operating Space Items
Operating System Interface
Operating Systems Incorporated
Operational subsystem interface
Operational Support Instruction
Operational Support Inventory
Operator System Interface
Operator-System Interface
Optical Sciences Institute
Optical Society of India
Optical Storage International
Ordnance Survey Ireland
Ordnance Survey of Ireland
Oscillatory Shear Index
Osteo sono-assessment index
Other Security Interests
Other Supplemental Information
Ounces per Square Inch
Out of Stock Indefinitely
Outback Steakhouse, Inc.
Outsource Strategies International
Oxford Systems Integration
Oxidative stress index