Jan Olaf Tønnevold

Tønnevold Venture & Invest AS provides freight and transportation services. The firm also offers investment services. The company was founded on June 12, 1997 and is headquartered in Grimstad, Norway.

Hiddn Security AS engages in the provision of encryption solutions. It develops, manufactures, and markets hardware-based encryption, authentication, and digital content security products. The company was founded in 1998 and is headquartered in Oslo, Norway.

VoluSense AS manufactures medical devices focused on pulmonary health. It offers VoluSense Pediatrics in the neonatal unit for the infants that provides visual and quantitative information on tidal flow, tidal volume, minute volume, and respiration frequency. The company was founded by Kjell Gunnar Øygarden and is headquartered in Bergen, Norway.

Sospita AS develops, markets and sells data security solutions. It offers software license protection technology, a platform for secure execution of multiple smart card and token applications, license controlled applet execution, inter-applet firewall protection, on-card crypto support, and multiple compilers for programming languages. The company was founded on September 1, 1995 and is headquartered in Sandvika, Norway.