The specifications of the OPC standard architecture.

Offers OPC for industrial automation needs, including servers, clients, bridging software, and converters.

Supplies consulting and development services in the area of industrial communication based on OPC technology. OPC related downloads, demos, documentation, and links.

Toolkits and utilities for developers of OPC servers, clients and diagnostic tools.

Provides various advanced products based on OPC technology or related to it, with a focus on OPC Server development, OPC Client development, and custom OPC solutions.

Microsoft launched a collaborative initiative aimed at producing a technical architecture that will reduce costs and simplify the process of deploying, integrating and managing systems for manufacturing enterprises. (Microsoft)