Plantcon A/S Danish PDMS sales, consulting, and training courses. Site includes free PDMS macros. (Site in Danish, English, and German.) http://www.plantcon.dk/

PDMS Users Group of the Americas Includes information about an annual technical conference and contact information for the chairs of each working group. http://www.puga.org/

PlantWare's PDMS Information Discussion of the benefits of using Cadcentre's PDMS (Plant Design Management System) software for collaborative 3D multi-user engineering. http://www.pdms.dk/

CADArena.com Dedicated to users of Cadcentre's PDMS 3D design software. Community forum site that provides support, job listings, and shareware for PDMS users worldwide. http://www.cadarena.com/

Aveva Group Plc. 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/

Consistent Software Hybrid graphics editing and raster to vector conversion software, as standalone programs and within AutoCAD. http://www.csoft.com/