» Consumer PowerSwitch    Helps identify which electricity company and pricing plan is best for residential customers, taking into account their specific requirements.    http://www.consumer.org.nz/powerswitch/

» Electricity and Gas Complaints Commission    A free independent dispute resolution service for complaints about member electricity and gas lines companies. Information on how to make a complaint.    http://www.egcomplaints.co.nz/

» Accord Heating and Air Conditioning    Heating company that supply the Keston boiler system, providing energy efficient solutions to heating and air conditioning projects. Services and contact details.    http://www.iheat.co.nz

» BP New Zealand    Marketer of petroleum products sold through service stations. Part of BP plc. Service station details and company info.    http://www.bp.co.nz

» Caltex    Details of product and service offerings. Includes information on service stations, snack shop and fuel types.    http://www.caltex.co.nz/

» Contact Energy    Supplies electricity and natural gas and is responsible for some of New Zealand's electric power generation. Site provides company information and online billing.    http://www.mycontact.co.nz/

» Electra    Supplies electricity to the central North Island from Paekakariki in the Kapiti Coast through to Tokomaru in the Horowhenua region. Prices, details of interruptions, services, company history and contact details.    http://www.electra.co.nz/

» Empower    Residential and business electricity supplier for a number of regions. Company information and contact details.    http://www.empower.co.nz/

» Fuelstar New Zealand Limited    Fuel combustion catalysts. Contacts, test reports, and information on performance, fuel savings, unleaded petrol and toxic emissions.    http://www.fuelstar.com/

» Genesis Energy    Residential and business electricity supplier for many regions in the North Island. Pricing, company information and contact details.    http://www.genesisenergy.co.nz/

» Greymouth Petroleum    A New Zealand owned and operated oil and gas production and exploration company. Announcements, press releases, current activities, map and contacts.    http://www.greymouthpetroleum.co.nz/

» Mercury Energy    Electricity company supplying customers in Auckland, Manukau and parts of Papakura. Residential and business customer service and pricing.    http://www.mercury.co.nz

» Meridian Energy    Renewable hydro and wind electricity provider in New Zealand. Residential and business customer service, pricing, and conversion information.    http://www.meridianenergy.co.nz

» Mighty River Power    Electricity generator, wholesaler and retailer that owns Mercury Energy and First Electric. Does not sell power to consumers directly.    http://www.mightyriverpower.co.nz/

» Natural Gas Corporation of New Zealand    Involved in the purchase, treatment, transportation and sale of natural gas and associated products and services in New Zealand.    http://www.ngc.co.nz/

» Nova Gas Ltd    A privately owned energy company specialising in the supply of natural gas to industrial and commercial users.    http://www.novagas.co.nz/

» Petroleum Exploration and Production Association    A trade association, which promotes the interests of petroleum producers and explorers in New Zealand.    http://www.pepanz.org/

» Powerco    New Zealand's second largest electricity and gas network utility connected to networks in Taranaki, Wanganui, Rangitikei, Manawatu, Wairarapa and Wellington. Company profile plus information on investing, publications, policy, community, news and contact    http://www.powerco.co.nz/

» Solar Kiwi    Solar water heater systems for New Zealand conditions. Information about evacuated (vacuum) tube solar collectors.    http://www.solarkiwi.co.nz/

» Solar Master Auckland Ltd    Designs and manufactures hot water products for the domestic and commercial markets. Products include solar systems and stainless steel hot water boilers.    http://www.solarmax.co.nz/

» The New Zealand Refining Company    The only refinery in New Zealand. Site contains pictures but no product information.    http://www.nzrc.co.nz/

» Transpower New Zealand    Owns and maintains the national electricity grid for New Zealand.    http://www.transpower.co.nz/

» UnitedNetworks    New Zealand's largest electricity lines company; owns power lines in the streets in three regions across the North Island and delivers power on behalf of energy retailers.    http://www.unitednetworks.co.nz/

» Vector Energy New Zealand    Suppliers of Auckland's electricity network, distributing power to Auckland, Manukau and Papakura.    http://www.vector-network.co.nz

» WEL Networks    Manages, maintains and develops the physical network that delivers electricity in the Waikato area.    http://www.wel.co.nz/