How do i contact the gn group? Contact GN Group. GN Group Lautrupbjerg 7 2750 Ballerup Denmark +45 45 75 00 00 [email protected] For any product-related questions, please contact the brands’ support teams:Who is nordicgsa? NordicGSA was founded in 1998, representing only 3 airlines. Things went very fast and when we entered the 21st century we had to move to bigger locations. Highlight came in July 2008 when we became a member of the ECS group.Who is nordic gas? Nordic Gas was established in 2010 and is headquartered in Stockholm. In Estonia, the company operates under the name Nordic Gas Solutions OÜ. Our mission is to contribute to increase the use of energy gas in society with high demands on safe and environmentally sound management.How do i contact nordic semiconductor asa? Headquarters. Nordic Semiconductor ASA. Otto Nielsens veg 12. 7052 Trondheim. Norway. Telephone: +47 72 89 89 00. For direct shipping, please make arrangements with your Nordic contact. Other offices.