Sundberg Aviation Group, a private Danish company founded in 1978 as SUN-AIR of Scandinavia, is headquartered in Billund.

The group employs 120 people and operates subsidiaries in Thisted and Augsburg.

Its four business units include JOINJET, SmuuthCare, SUN-AIR Technic, and SUN-AIR of Scandinavia, under the ownership of Niels and Kristoffer Sundberg.