| POS | Pacific Ocean Ship 
| Others |
| POS | Packet Over Sdh
| Others |
| POS | Packet Over SONET
| Others |
| POS | Packet Over SONET (Synchronous Optical NETwork)
| Others |
| POS | Pain Of Salvation
| Others |
| POS | Parallel Operating System
| Others |
| POS | Parent Over Shoulder
| Others |
| POS | Parents Over Shoulder
| Others |
| POS | Part Of Speech
| Others |
| POS | Part of Story
| Others |
| POS | Partition Os And Sos
| Others |
| POS | Parts Of Speech
| Others |
| POS | Peacetime Operating Stocks
| Others |
| POS | Peacetime Operational State
| Others |
| POS | Perceived Organizational Support
| Others |
| POS | Percentage Of Sales
| Others |
| POS | Performance Optimizing System
| Others |
| POS | Period Of Service
| Others |
| POS | Perq Operating System
| Others |
| POS | Persistent Object Server
| Others |
| POS | Persistent Object Service
| Others |
| POS | Persistent Object Store
| Others |
| POS | Persistent Object System
| Others |
| POS | Persistent Object Systems
| Others |
| POS | Personal Operating System
| Others |
| POS | Piarco International Airport
| Others |
| POS | Pictures On Site
| Others |
| POS | Piece Of S***
| Others |
| POS | Piece Of S**t
| Others |
| POS | Place Of Service
| Others |
| POS | Place Of Show
| Others |
| POS | Plain Old Stereo
| Others |
| POS | Plains Of Snow
| Others |
| POS | Plant Operating System
| Others |
| POS | Player Of Slots
| Others |
| POS | Player-Owned Starbase
| Others |
| POS | Point of
| Others |
| POS | Point of Sale
| Others |
| POS | Point Of Sale system
| Others |
| POS | Point Of Satisfaction
| Others |
| POS | Point of Separation
| Others |
| POS | Point Of Service
| Others |
| POS | Point of Services
| Others |
| POS | Point Of Stress
| Others |
| POS | Polar Orbiting Satellite
| Others |
| POS | Poly-Ovarian Syndrome
| Others |
| POS | Polytechnische Oberschule
| Others |
| PoS | Population of Syria
| Others |
| POS | Port Of Spain
| Others |
| POS | Port Of Spain, Trinidad & Tobago
| Others |
| POS | Port Of Support
| Others |
| POS | Portable Operating System
| Others |
| POS | Portable Oxygen System
| Others |
| POS | Position Of Shop
| Others |
| POS | Positive
| Others |
| POS | Positively Outstanding Service
| Others |
| POS | Postal Vehicle
| Others |
| POS | Power On Sequence
| Others |
| POS | Power On Servicing
| Others |
| POS | Power On Stopgrant
| Others |
| POS | Power On Suspend
| Others |
| POS | Power Operating System
| Others |
| POS | Power Seat
| Others |
| POS | Principles Of Surgery
| Others |
| POS | Prioritize, Organize, and Sacrifice
| Others |
| POS | Private Open Space
| Others |
| POS | Probability Of Success
| Others |
| POS | Proceeding Of Science
| Others |
| POS | Process Oriented System
| Others |
| POS | Product of Sums
| Others |
| POS | Professional Office Services
| Others |
| POS | Program Of Studies
| Others |
| POS | Program of Study
| Others |
| POS | Program Operations Staff
| Others |
| POS | Programmable Object Select
| Others |
| POS | Programmable Option Set
| Others |
| POS | Programme of Study
| Others |
| POS | Proof Of Service
| Others |
| POS | Proof Of Stake
| Others |
| POS | Protein Oil Starch
| Others |
| POS | Provider Of Services
| Others |
| POS | Public Offering of Securities
| Others |
| POS | Public Offering Statement
| Others |
| POS | Public Open Space
| Others |
| POS | Public Opinion Strategies
| Others |
| POS | Puppet On String
| Others |
| POS | Purchase Of Service
| Others |
| POS | Purveyor Of Substance
| Others |
| POS | Put On Shelf
| Others |
| POS | Real Canadian Superstore
| Others |
| pos | Sayula Popoluca
| Others |
| Pos. | Posaune
| Others |