Associated British Ports (ABP) is Britain's largest and leading ports group, handling around 120 million tonnes a year and employing nearly 2,000 staff across the business.  Its Port of Immingham, jointly operated with its sister-port of Grimsby on the South Bank of the Humber, is one of the UK’s largest by tonnage. 

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Slough Heat and Power (SHP) is a multi-megawatt combined heat and power station located on the Slough Trading Estate.

Guernsey Electricity Limited is a limited liability company wholly owned by the States of Guernsey and the Company is the sole provider of electrical energy to the island of Guernsey.  Guernsey Electricity has been providing electricity to the island for over one hundred years. 

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The Water Supplies Department (WSD) in Hong Kong is the only Government owned authority to provide potable water to the whole area with approximately a 7.5 million population. Their main task is to provide a reliable and adequate supply of wholesome potable water and sea water to the community in the most cost-effective way. 

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SSE are a British energy company that has been powering people's lives for 70 years. SSE operates in Ireland and the United Kingdom. It is involved in the generation and supply of electricity and gas, the operation of gas and telecoms networks and other energy-related services such as gas storage, E&P, contracting, connections and metering.

Scottish Power is the distribution network operator for central and southern Scotland, Merseyside and North Wales. It is also the Transmission Owner for the south of Scotland. The company also supplies electricity and gas to homes and business around the United Kingdom and generates power for supply to the grid. It owns PPM Energy in the United States.

UK Power Networks is Britain’s largest power network, responsible for delivering electricity to 7.8 million homes and businesses in London, the South East and the East of England.

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The BOC Group plc was the official name of the multinational industrial gas and British based company more commonly known as BOC, and now a part of the Linde Group. In September 2004, BOC had over 30,000 employees on six continents, with sales of over £4.6 billion. BOC was a constituent of the FTSE 100 Index and the FT 30.

BP is one of the leading producers and suppliers of oil and natural gas in the United States and a major investor in U.S. energy development. BP primary U.S. production operations are located in Alaska, Colorado, New Mexico, Oklahoma, Texas, Wyoming and the Gulf of Mexico.

Western Power Distributionare the electricity distribution network operator for the Midlands, South West and Wales. Western Power Distribution deliver electricity to over 7.8 million customers over a 55,500 square kilometres service area. They network consists of 220,000 km of overhead lines and underground cables, and 185,000 substations. 

Shell UK Ltd are a global group of energy and petrochemicals companies employing about 94,000 people across the world. Shell UK Ltd have operated in the UK since 1897. With over 6,500 employees, our operations here are an important part of our business.

Valero Energy Corporation, through its subsidiaries, is an international manufacturer and marketer of transportation fuels, petrochemical products and power. Valero subsidiaries employ approximately 10,000 people, and assets include 15 petroleum refineries with a combined throughput capacity of approximately 2.9 million barrels per day, 11 ethanol plants with a combined production capacity of 1.3 billion gallons per year, and a 50-megawatt wind farm.

Ranked among the world’s largest petrochemicals manufacturers, SABIC is a public company based in Riyadh, Saudi Arabia. 70% of the Company’s shares are owned by the Saudi Arabian government, with the remaining 30% held by private investors in Saudi Arabia and other countries of the Gulf Cooperation Council. 

E.ON UK is an energy company in the United Kingdom and a subsidiary of E.ON, the world's largest investor-owned power and gas company.  

United Utilities Group PLC (UU), the United Kingdom's largest listed water company. The group manages the regulated water and waste water network in North West England - which includes Cumbria, Cheshire, Greater Manchester, Lancashire and Merseyside which have a combined population of nearly 7 million.