Durk ten Wolde

Sweco Nederland engages in the provision of management, design and engineering, and consultancy services. It serves the building and urban areas; water, energy, and industry; and mobility and infrastructure sectors. The company was founded by Doedo Veenhuizen in 1913 and is headquartered in De Bilt, the Netherlands.

Strukton Groep NV provides rail infrastructure construction and maintenance services. The firm's services include civil infrastructure, smart maintenance, railway condition monitoring, transportation and distribution, refurbishment of rolling stock, and embedded solutions. The firm serves rail systems, civil infrastructure, and technique and building markets. The company was founded in 1974 and is headquartered in Utrecht, the Netherlands.

Lummus Technology LLC engages in the provision of engineering, procurement, and construction related services. It offers process designing, project management, project financing, engineer training, and technical support. The company was founded in 1907 and is headquartered in Bloomfield, NJ.