Johan D. Kleyn

Transmark Holdings NV operates as a holding company with interest in distribution of valves, instrumentation and ancillary flow control equipment. The firm designs, manufactures, and services umbilical- or tether systems for use on ROVs/ROTs and cables for the power and control of installed subsea components, such as wellhead systems. The company was founded in 1956 and is headquartered in Amsterdam, the Netherlands.

U-center Netherlands BV operates as hospital and behavioral health residential treatment center. It provides services for the clinical treatment of depression, burn-out, trauma and dependency. The company is headquartered in Epen, the Netherlands.

Part of Allen & Overy LLP, Allen & Overy LLP Amsterdam is a company that provides legal services. The company is based in Amsterdam, Netherlands. Ferdinand Grapperhaus has been the CEO of the Dutch company since 1998.

Part of Equipe Zorgbedrijven Nederland BV, Annatommie - Centra voor Orthopedie en Beweging - Holding BV operates as a holding Dutch company that provides orthopedic surgery and physical therapy services. The company is based in Utrecht, Netherlands. Irene Groenink has been the CEO of the company since 2005. Annatommie - Centra voor Orthopedie en Beweging - Holding was acquired by Equipe Zorgbedrijven Nederland BV on June 29, 2022.