Companies join the OPC Foundation for many reasons:
Some find it valuable to display the OPC Foundation logo in connection with their company and products.
Some value the OPC community that being a member provides.
Some are just there to take advantage of the free product certification for members. (We don’t mind.)
Others join to influence the direction of the technology and contribute to its progress through working groups. KUKA joined for this reason. Read their reasons in this magazine interview, reproduced on the OPC Foundation website: Why KUKA joined the OPC Foundation?