Dag Birger Sørsdahl

Aller Travel AS operates as destination management company. It provides travel and accommodation solutions. The firm also offers music tours. The company was founded on December 12, 1990 and is headquartered in Oslo, Norway.

Aller Leisure A/S operates in the travel industry. The company was founded on October 25, 2017 and is headquartered in Copenhagen, Denmark.

Aller Holding A/S prints and publishes daily newspapers, weeklies, and magazines. It also engages in social media, marketing, and travel services. The company was founded by Carl Julius Aller and Laura Aller in 1873 and is headquartered in Copenhagen, Denmark.

Allerfonden manages and owns shares, and also engages in the voting rights. It aims to provide financial support to the founder's principal and other descendants of magazine publisher. In addition, the firm provides grants for research, inventions, further development or the like in the fields of media and journalism, graphic technology, design, and photography, including education in the specified disciplines. The company was founded by Svend Aller, Carl Erik Aller, and Jørgen Claes Aller in 1981 and is headquartered in Copenhagen, Denmark.

Norsk Aller AS provides publishing services. It conducts business through its subsidiaries including Allers Familie-Journal AS, Hor Forlaget AS, Aller Trykk AS, Aller Internett AS, Aller spesial media AS, Moox AS, HS Media AS, Eurofoto AS, and Capella Media AS. The company was founded in 1989 and is headquartered in Oslo, Norway.

Kistefos AS engages in the provision of investment services. Its investment portfolio includes Norwegian and foreign companies within the segments offshore, shipping, financial services, telecommunications, and real estate, as well as financial investments. The company was founded by Christen Sveaas in 1889 and is headquartered in Oslo, Norway.

Promon AS develops security software systems for protecting applications and data. It provides system for protecting applications and data against security threats and cyber-crime. It develops and sells its security software on a business-to-business basis such as Banks, Payment Service providers, Health Care providers, Hi-tech Industry, Public Sector, and organizations. The firm's product includes Promon Shield, which provides dedicated Trojan protection on the end point which is integrated in the actual service to be secured; and the Promon SDK module provides Promon Shield protection as plugin for existing applications or mobile apps. The company was founded by Tom Lysemose Hansen in January 11, 2006 and is headquartered in Oslo, Norway.

Digitale Medier 1881 AS offers digital information services. Its solutions are available via the Internet in tablets and mobile platforms. The company was founded on September 3, 2010 and is headquartered in Oslo, Norway.

Telecom Holding 3 AS engages in the provision of telephone surveillance services. The company was founded on December 16, 2016 and is headquartered in Oslo, Norway.

Telecom Holding 1 AS provides telephone surveillance services.

Opplysningen 1881 AS provides personal and corporate information services. It offers business information directory services through internet, short message service (SMS) mobile, and telephone calls. The company is headquartered in Oslo, Norway.

Kappa Bioscience AS engages in vitamin production process. It offers vitamin K2 as menaquinone 7 for the food supplement and fortified foods market. The firm range offers bone and heart health category ingredients in a range of forms and concentrations. The company was founded by Inger Reidun Fjeldskaar Aukrust in December 2006 and is headquartered in Oslo, Norway.

1881 Group AS provides telecommunication services. It also invests in other companies and assets. The company was founded on November 18, 2016 and is headquartered in Oslo, Norway.

Part of Kistefos Venture Capital Fond II AS, Kistefos Venture Capital II DA provides investment services. The company is based in Oslo, Norway.

Part of Kistefos AS, Kistefos Equity Holding AS operates a hotel.

Kistefos Corporate AS provides investment services.

Berner Gruppen AS is a holding company. It engages in the business of investing in real estate, stocks, and other securities either directly or through subsidiaries. The company was founded on March 26, 1907 and is headquartered in Kristiansand, Norway.

Bitpro AS provides information technology services. It also offers web, cloud, and application services. The company was founded on March 1, 2004 and is headquartered in Kristiansand, Norway.

Kistefos Newco 1 AS provides telephone surveillance services.

Eviny AS engages in the development and operation of hydroelectric power plants. It sells renewable power in the wholesale market. The company was founded on June 2, 1920 and is headquartered in Bergen, Norway.

Waldorf Energy Finance Plc is an investment holding British company founded in 2023. The private company is based in Manchester, UK.

Waldorf Production UK Ltd. engages in the development of oil and gas reserves. The company was founded on January 30, 2004 and is headquartered in Aberdeen, the United Kingdom.

Waldorf Holdco Ltd. provides oil and gas services. The company was founded on April 23, 2019 and is headquartered in Manchester, the United Kingdom.

Advanzia Bank SA engages in the provision of banking and financial services. It specializes in credit cards and payment solutions. The company was founded by Tor Erland Fyksen in 2005 and is headquartered in Luxembourg.

SearchDaimon AS provides enterprise search solutions. It aims to transforming the way small and medium size businesses retrieves knowledge and information. The firm products Searchdaimon Enterprise Server enables small and medium size businesses to search and retrieve knowledge and information from documents, emails, attachments, customer relation systems and other content sources. The company was founded by Runar Buvik and Magnus Galåen in 2005 and is headquartered in Oslo, Norway.

Grieg Maturitas AS operates as a holding company with interest in shipping, ship broking, maritime services and port operations, seafood, investments, and finance. Its core business includes shipping and logistics, investment, and seafood industry. The firm supports the subsidiaries with regards to financial restructuring and corporate issues. The company is headquartered in Bergen, Norway.

Nannas Kjøkken AS is a Norwegian company that leases real estate properties.

Aars AS is an investment company based in Norway. It was founded in 1936 by Harald Aars Møller and is currently led by CEO Øyvind Schage Førde R.

Eiendomsmegler Vest AS provides real estate brokerage services. It acquires and sells properties in the following counties: Hordaland, Rogaland, and Sogn and Fjordane. The company was founded in 1974 and is headquartered in Bergen, Norway.

Sparebanken Vest Boligkreditt AS engages in issuing covered bonds backed by mortgages acquired from the owner. The company was founded on May 22, 2008 and is headquartered in Bergen, Norway.

Unifon Holding AS is a holding Norwegian company that operates subsidiaries providing telecommunications services. The private company is based in Kristiansand, Norway. The company was founded in 2020. The CEO is Thore Berthelsen.

Proximo Norge AS provides data and telecommunication services. It offers Internet, cellphones, IP telephone, and broadband. The company was founded on January 20, 2017 and is headquartered in Sandsli, Norway.