V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

OPC
       OLE for Process Control (OLE, HMI, SCADA)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

OPC
       OpenGL Performance Characterization [project group] (OpenGL,
org.)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

OPC
       Optical Proximity Correction [lithography]


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

OPC
       Overall Performance Category


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

OPC
       Organic Photo Conductor


The Free On-line Dictionary of Computing (30 December 2018):

OLE for Process Control
OPC

    (OPC) A set of seven open standards for
   connectivity and interoperability of industrial automation and
   the enterprise systems.

   Based on fundamental and evolving standards and technology of
   the general computing market, the OPC Foundation adapts and
   creates specifications that fill industry-specific needs.

   OPC Foundation (http://opcfoundation.org/).

   (2003-05-21)