Kongsberg Maritime - Provides a broad range of automation and navigation systems, as well as ship simulators for both merchant and naval ships. - http://www.km.kongsberg.com
Poseidon - GMDSS, navigation and radar simulators. - http://www.poseidon.no/
Ship Analytics International - Provides consulting, design and implementation of simulation systems for naval and commercial vessel operations. - http://www.shipanalytics.com