Gerardus Johannes Wijers

Het Concertgebouw NV provides bands, orchestra and music entertainment services. It offers purchase tickets, tours, categories and charts. The company was founded on July 8, 1882 and is headquartered in Amsterdam, the Netherlands.

DPG Media Digital Holding BV operates websites. The company is based in Hoofddorp, Netherlands. DPG Media Digital Holding was acquired by VNU Magazines BV on July 01, 2000.

Vereniging Natuurmonumenten operates as a nature conservation organization. The private company is based in s-Graveland, Netherlands.

The Boston Consulting Group Ltd. provides management consulting services. Its capabilities includes corporate development and finance, postmerger integration, digital economy, risk management, globalization, strategy, innovation, growth, sustainability, marketing and sales, technology, operations, turnaround and transformation and people and organization. The company was founded in 1963 and is headquartered in London, the United Kingdom.

HAL Holding NV operates as an alternative investment manager. The firm focuses on acquiring shareholdings in companies with the long-term objective of increasing shareholders' value. The company was founded on April 18, 1873 and is headquartered in Willemstad, the Netherlands.

ING Bank NV engages in the provision of banking, investment, life insurance, and retirement services. It operates through the following segments: Retail Netherlands, Retail Belgium, Retail Germany, Retail Other, Wholesale Banking, and Corporate Line Banking. The Retail Netherlands segment offers current and savings accounts, business lending, mortgages, and other consumer lending in the Netherlands. The Retail Belgium segment focuses in the retail and private banking activities in Belgium and offered services like the Netherland segment. The Retail Germany segment consists of current and savings accounts, mortgages, and other customer lending. The Retail Other segment comprises income from retail banking activities in the rest of the world, including the SME and mid-corporate segments. The Wholesale Banking segment include income from wholesale banking activities (a full range of products is offered from cash management to corporate finance), real estate, and lease. The Corporate Line Banking segment comprises corporate line banking and the run-off portfolio of Real Estate. The company was founded in 1991 and is headquartered in Amsterdam, the Netherlands.

SEO Economisch Onderzoek provides economic research services. The company was founded in 1949 and is headquartered in Amsterdam, the Netherlands.