Eric Johan Witvoet

WSG Provalve Ltd. specializes in valve repairs and overhaul services. The company was founded in 2000 and is headquartered in West Yorkshire, the United Kingdom.

Part of Wellservices BV, PNS (UK) Ltd. provides nitrogen treatment and joint integrity services to the oil and gas industry. The company is based in Normanton, UK.

WSG (UK) Ltd. engages in the provision of industrial valve solutions. The firm offers process and pipeline services, joint integrity and on-site machining, coiled tubing, and valve repair and refurbishment. The company was founded on February 1, 2007 and is headquartered in Wakefield, the United Kingdom.

Wellservices BV provides services to the oil and gas industry. Its services include, coiled tubing, pumping, nitrogen, acid stimulation, capillary coil, radial jetting, memory logging, pipeline, fishing, valve repair and refurbishment, bolting and tensioning, and well cleaning. The firm’s activities are organized in three business units: Coil Services, Slickline Services and Pipeline Nitrogen Services. The company was founded by Greet Prins and Koos Frieling 2004 and is headquartered in Emmen, the Netherlands.