http://www.Portiva.nl is an IT company. We have developed a collaboration tool for the building & construction market. We are marktleader in the Netherlands.
Goverments, Big building companies use our tool to share all relevant documentation regarding large building projects (e.g. construction of large hostipals or big road infra projects).
The tool is SaaS based and is called "bouwlogics" (bouw=construction)