Siebe van Elsloo

Swets Information Services BV was provided subscription and information management services. Its services included SwetsWise Searcher, SwetsWise Title Bank, SwetsWise Subscriptions, SwetsWise Linker, SwetsWise Online Content and SwetsWise Consolidation. The firm offered its services to its corporate, academic, R&D, medical as well as government library and information centers worldwide. Swets Information Service was founded in 1901 and is headquartered in Lisse, the Netherlands

Koninklijke Swets & Zeitlinger Holding NV provides subscription services and operates an e-Commerce platform. Its products and services power the work of professionals and students, academic, corporate, government and medical organizations. . The company is headquartered in Leiden, Netherlands.

Abellio Transport Holding BV operates trains and provides passenger transportation services in the Netherlands, the United Kingdom, and Germany. The company is based in Utrecht, the Netherlands.

Part of Essent Kabelcom, At Home Benelux is a Dutch company that provides broadband internet services. The company is based in Amsterdam, Netherlands.

Stichting Film Instituut Nederland operates as a center for film culture development and promotion. The firm's facilities include exhibition spaces, auditoriums, museum shops, and cafes. It offers a collection of silent films and digital productions, photographs, posters, soundtracks, filmmaking equipment, and filmmakers' paper archives. The firm also provides research and restoration services, and media education and teaching resources. The company was founded on January 1, 2010 and is headquartered in Amsterdam, the Netherlands.

Stage Entertainment GmbH provides event management services. Its services include musical and show productions such as king of the lions, mamma mia, blue man group, dirty dancing and cats. The company was founded by Joop van den Ende in 1998 and is headquartered in Hamburg, Germany.

DHG Investments BV operates as an investment firm, founded in 2008. It has stakes in various companies focusing on communications and graphic arts industry. The company is headquartered in Amsterdam, the Netherlands.