The OPC Foundation is a nonprofit international standards organization dedicated to developing and maintaining the best specifications, technology and certification to achieve multivendor, multiplatform, secure, reliable information from embedded devices to the cloud. OPC Foundation started in 1995, and the OPC community is grown to over 4200 different companies building OPC products with over 47,000,000 installations. OPC specifications are available without membership and OPC reference implementations are open sourced on GitHub. The foundation has an open certification program enabling members and nonmembers to certify their products. The organization serves over 650 members worldwide in the Industrial Automation, IT, IoT, IIoT, M2M, Industrie 4.0, Building Automation, machine tools, pharmaceutical, petrochemical, and Smart Energy sectors.
OPC Unified Architecture (OPC UA) is a platform and vendor independent communication technology for a secure and reliable data exchange over the different levels of the automation pyramid. In addition, the information models of the OPC UA standard provide the foundation for a semantic interoperability.