Vertex Systems Oy (Finland) is the biggest CAD company no-one's heard of, with a full line of 3D CADsoftware for:
* Interior design
* Electrical and automation
* Plant design
... as well as data management software, both EDM and PDM. You can check out their offerings at Vertex
Thank you to Odd Hallstein Ystanes of Norway for alerting me to this Finnish software company.