Governance & Standards Bodies

The organizations behind OPC and the broader industrial automation space play a direct role in how these specifications are developed, certified, and maintained. This section covers the OPC Foundation and the standards bodies it works alongside.

Term Definition
OPC Foundation The non-profit standards body responsible for developing, publishing, and certifying the OPC and OPC UA specifications. Visit opcfoundation.org.
IEC 62541 The International Electrotechnical Commission standard that formally defines the OPC UA specification. See iec.ch.
ISA-95 A standard that defines models and terminology for integrating enterprise (ERP) and control (MES/SCADA) systems. See isa.org.
ISA/IEC 62443 A series of standards addressing cybersecurity for industrial automation and control systems. See isa.org.
AGA (American Gas Association) A trade association representing natural gas utility companies in the United States, relevant to OPC implementations in gas measurement and transport. See aga.org.