What does PIO stand for?

Palestine Information Office (EA)

Parallel Input/Output

Parallel Input Output chip

Parallel Interface Output (SAUS)

Parallel I/O (SAUS)

Parallel/Programmable I/O (SAUS)

Peripheral Input/Output (NITA)

Peripheral Input-Output Controller - Computer science (CIST)

Pheniminooxazolidinone - Pharmacology

Photocomposition Input Option (NITA)

Photographic Interpretation Officer (SAUS)

Photo Interpretation Officer - Air Force

Physical Input-Output - Computer science (IAA)

Piapoco - Language code (ETLW)

Pielago - Ship's rigging (ROG)

Pilot-Induced Oscillation

Pilot Information Office

Pilot Information Officer (SAUS)

Pinon, NM - Location identifier - FAA (FAAL)

Pi Omicron National Sorority (EA)

Pioneer - A publication

Pioneer Airlines, Inc. - ICAO designator (FAAC)

Pioneer Arms Co. - NCIC firearms make code (NCIC)

Pioneer (automobile) - NCIC car model code

Pioneer Corp ADR - NYSE symbol (SPSG)

Pioneer Electron ADR - NYSE symbol

Pioneer Electronic Corp. - NYSE symbol (SPSG)

Plate Iron Oxide - Automotive paint

Poets International Organisation - Bangalore, India (EAIO)

Port Information Office (SAUS)

Posco International Osaka (EFIS)

Position Iterative Operation

Precision Interactive Operation - Computer science

Precision-Interpret Operation (SAUS)

Precision Iterative Operation (IAA)

Preliminary Inquiry Officer (DNAB)

Private Input/Output - Telecommunications (TEL)

Process Improvement Opportunity

Process Input-Output - Computer science (ECII)

Processor Input-Output - Computer science (MDG)

Programmable Input/Output (SAUS)

Programmed Input/Output

Project Implementation Order (SAUS)

Provisioned Item Order (MCD)

Public Information Office - or Officer

Public Inquiries Office - United States Geological Survey (GIS)

Sea-Pro Boats - NCIC boat manufacturer code (NCIC)

Western Pennsylvania School for the Deaf, Pittsburgh, PA - OCLC symbol (OCLC)