Aveva Group Plc.Save
Supplier of software solutions and services to the process industries, including PDMS for plant design engineering, VANTAGE for engineering change management, and other datacentric design tools. http://www.aveva.com/
Plantcon A/SSave
Danish PDMS sales, consulting, and training courses. Site includes free PDMS macros. (Site in Danish, English, and German.) http://www.plantcon.dk/