QatarEnergy (Arabic: قطر للطاقة) is the state-owned national petroleum and natural gas company of Qatar. The company operates all oil and gas related activities in Qatar, including exploration, production, refining, transport, and storage.

The North Seas Energy Cooperation (NSEC), officially the Political Declaration on energy cooperation between the North Seas Countries, is a collaboration between EU member-states and Norway to create an integrated offshore energy grid which links wind farms and other renewable energy sources across the northern seas…

Builders Warehouse (commonly referred to as Builders in South Africa), is a South African construction equipment and home improvement retail chain. Founded in 2003, it is owned by South African retail holding company Massmart.

Energy Saving Trust is a British organization devoted to promoting energy efficiency, energy conservation, and the sustainable use of energy, thereby reducing carbon dioxide emissions and helping to prevent man-made climate change. It was founded in the United Kingdom as a government-sponsored initiative in 1992,…

Star Energy is a British oil, gas and geothermal company. It was a British onshore oil exploration company until it was acquired by IGas Energy in December, 2011.

Essar Energy plc is Mauritius-based Indian energy company with assets in the power and oil and gas businesses. Headquartered in Port Louis, Mauritius and subsidiary of Essar Group, the firm has interests in both the power generation and petroleum industries.

Capricorn Energy plc (formerly Cairn Energy plc) is a British oil and gas exploration and development company based in Edinburgh, Scotland. The company is listed on the London Stock Exchange.

Harbour Energy plc is an oil and gas company headquartered in London, England. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.

Emerald Energy plc is an energy exploration subsidiary of Chinese state-owned company Sinochem with headquarters in London but is registered offshore in the Isle of Man. The company specialises in oil exploration and production of hydrocarbons.

OVO Energy is an energy supplier based in Bristol, England. It was founded by Stephen Fitzpatrick and began trading energy in September 2009, buying and selling electricity and gas to supply domestic properties throughout the UK. By June 2017, OVO had 680,000 customers, an increase of 10,000 over the previous year,…