O&I | Operations and Intelligence
| Others |
O+I | Outings and Innings
| Others |
OI | Object Inheritance
| Others |
OI | Object Integration
| Others |
OI | Object Interface
| Others |
OI | Oblique Incidence
| Others |
OI | Obsessive Influence
| Others |
OI | October Introduction
| Others |
OI | Office International
| Others |
OI | Office of Intelligence (USCS)
| Others |
OI | Office of Investigation
| Others |
OI | Ofsted Inspector
| Others |
OI | Old Inteligence
| Others |
OI | Oleum Infirmorum
| Others |
OI | Omega Intertainment
| Others |
OI | Online Inclusion
| Others |
OI | Online Injection
| Others |
OI | Online Innovation
| Others |
OI | Open Integration
| Others |
OI | Open Interest
| Others |
OI | Open Interface
| Others |
OI | Operating Income
| Others |
OI | Operating Instruction
| Others |
OI | Operation Insanity
| Others |
OI | Operational Instrumentation
| Others |
OI | Operations Information
| Others |
OI | Operations Innovations
| Others |
OI | Operations Interface
| Others |
OI | Opportunistic Infection
| Others |
OI | Opportunistic Infections
| Others |
OI | Optical Isolator
| Others |
OI | Optimum Interpolation
| Others |
OI | Option Investment
| Others |
OI | Opto Isolator
| Others |
OI | Or Immediate
| Others |
OI | Or Invert
| Others |
OI | Orbiter Insertion
| Others |
OI | Orbiter Instrumentation
| Others |
OI | Order Information
| Others |
OI | Ordering Information
| Others |
OI | Orders In
| Others |
OI | Ordinal Indicator
| Others |
OI | Organic Initiative
| Others |
OI | Organic Intelligence
| Others |
OI | Oriental Institute
| Others |
OI | Origin Independent
| Others |
OI | Original Images
| Others |
OI | Orthopedic Impairment
| Others |
OI | Orthopedically Impaired
| Others |
OI | Orthostatic Intolerance
| Others |
OI | Osteogenesis Imperfecta
| Others |
OI | Other Identification
| Others |
OI | Out Of Iraq
| Others |
OI | Out Of Iraque
| Others |
OI | Output Input
| Others |
OI | Outram Institute
| Others |
OI | Outreach International
| Others |
OI | outside in It
| Others |
OI | Outside Influence
| Others |
OI | Owens Illinois
| Others |