Plexus Holdings PLC is an oil and gas engineering and service business. It specializes in marketing a patented friction-grip method of engineering for oil and gas field wellheads and connectors, known as POS-GRIP technology. The company derives revenue from the sale and rental of its POS-GRIP technology and associated products, as well as providing commissioning and ongoing service requirements for its equipment. Plexus Holdings was founded in 1985 and is headquartered in Worthing, United Kingdom.