John Francis Brody

Bryan Donkin Valves Ltd. engages in the manufacture of gas valves. The company was founded on April 7, 1997 and is headquartered in Chesterfield, the United Kingdom.

Part of AVK Holding A/S, Aqua-Gas Manufacturing Ltd. is a British company founded in 1979 that specializes in smart water and pressure management in water networks. The company is based in Corby, UK. AVK's digital solutions and range of smart water and pressure management products provide asset managers with insights to help plan their networks more effectively, efficiently, and sustainably. AVK is known as a leading innovator and manufacturer of high-quality valves and fittings for the water, wastewater, fire fighting, and gas industries worldwide. The company is also the manufacturer and supplier of the Donkin range of gas valves and fittings to Gas Industry Standards used worldwide.

Part of AVK Holding A/S, Avk Syddal Ltd. is a British company that manufactures and sells fittings for the water supply and gas distribution industry. The company is based in Hyde, UK and was founded in 1993.