Plexus Holdings plc, together with its subsidiaries, provides equipment and services for the oil and gas industry in the United Kingdom, rest of Europe, and internationally. It principally markets POS-GRIP, a patented method of engineering for oil and gas field wellheads, connectors, and metal-to-metal sealing, which includes deforming one tubular member against another in the elastic range to effect gripping and sealing. The company also provides commercial exploitation of subsea applications; and designs, fabricates, and manufactures valve related products. Plexus Holdings plc was founded in 1985 and is based in Weybridge, the United Kingdom.