Robert William Thomson

NGC Holdings Limited operates as an energy infrastructure and service company with interests in natural gas and LPG processing, transportation, sales, and energy metering in New Zealand. The company operates in three divisions: Infrastructure, Energy Trading, and Others. Infrastructure division engages in the ownership and management of gas transmission lines, distribution networks, LPG infrastructure, and electricity and gas meters. Energy trading division engages in natural gas acquisition and processing, LPG and gas marketing, and residual electricity trading businesses. Others division includes corporate activities and investments. The company was founded in 1967 and is headquartered in Wellington, New Zealand

Vector Gas Ltd. engages in the distribution and transmission of gas products. It supplies gas to residential, business, developers, and shippers through retailers. The company is headquartered in Newmarket, New Zealand.

Part of Entrust (New Zealand), Advanced Metering Services Ltd. is a New Zealander company that provides metering services. The company is based in Wellington, New Zealand. Advanced Metering Services was acquired by Vector Ltd. on January 29, 2010 for $1.06 million.

Part of Entrust (New Zealand), Arc Innovations Ltd. is a New Zealander company that provides information and smart metering solutions. The company is based in Christchurch, New Zealand. Arc Innovations was acquired by Vector Ltd. from Meridian Energy Ltd. on December 01, 2014.