John Guy

Caltec Ltd. designs, develops and supplies equipment for facilitating production from oil and gas wells. Its solutions include flare recovery, de-gassing liquids, and sand separation. The company was founded in 2003 and is headquartered in Cranfield, UK

EnerMech Ltd. engages in provision of mechanical engineering products and services. It offers industrial, process, pipeline, training, electrical and instrumentation, valve supply and manufacture, cranes and lifting, subsea umbilicals and cables, equipment rental and valve integrity management services. The firm serves the petrochemicals, LNG, offshore and onshore oil and gas, midstream, power, defence, renewables, infrastructure and mining markets. The company was founded by Doug Duguid on March 1, 2008 and is headquartered in Aberdeen, the United Kingdom.

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.

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.

Provalve Ltd. provides business support services. The company is headquartered in Elland, 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.