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 A & O Shearman LLP, Allen & Overy LLP Amsterdam is a private company that provides legal services. Allen & Overy LLP Amsterdam is based in Amsterdam, the 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.