- Tønjum Invest AS (investments and holding company)
- Trygve Tønjum Import AS – Import of fruit, vegetables and berries
www.tonjum.no - Minde Prosjekt AS –Real estate development
- Eikedalen Skisenter AS – ski resort
www.eikedalen.no - Trygve Tønjum AS – Real estate and investments
- O.T Logistikk AS – Logistic partner*
- Auberge du Roua, France (hotel)*
www.aubergeduroua.com - Flow Control Norway AS (valves specialists) *
www.flowcontrol.no - Prosessmetall AS (supplier of advanced steel materials) *
www.prosessmetall.no
*) Part-ownership