National Grid plc transmits and distributes electricity and natural gas.
SSE plc engages in the generation, transmission, distribution, and supply of electricity.
United Utilities Group PLC provides water and wastewater services in the United Kingdom.
Severn Trent Plc operates as a water and sewerage company in the United Kingdom and internationally.
Pennon Group Plc engages in the environmental infrastructure businesses in the United Kingdom, rest of European Union, China, and internationally.
Centrica plc operates as an integrated energy company in the United Kingdom, the Republic of Ireland, Germany, Norway, rest of Europe, the United States, Canada, and internationally.
ContourGlobal plc, together with its subsidiaries, acquires, owns, develops, and operates wholesale power generation businesses in Europe, Latin America, Africa, and the Caribbean islands.
Telecom Plus PLC provides a range of utility services in the United Kingdom.
Drax Group plc, together with its subsidiaries, engages in the generation and supply of electricity in the United Kingdom.
Jersey Electricity plc, together with its subsidiaries, engages in the supply, generation, transmission, and distribution of electricity in Jersey, the Channel Islands.
Aggregated Micro Power Holdings plc operates as a distributed energy company in the United Kingdom.
OPG Power Ventures Plc, together with its subsidiaries, develops, owns, operates, and maintains private sector power projects in India.
Fulcrum Utility Services Limited provides multi-utility infrastructure and related services in the United Kingdom.
Good Energy Group PLC, through its subsidiaries, engages in the purchase, generation, and sale of electricity from renewable sources in the United Kingdom.
Green & Smart Holdings plc, an investment holding company, operates in the renewable energy sector in Malaysia.
Yü Group PLC, through its subsidiaries, supplies energy and utility solutions to small and medium-sized enterprises, and corporate customers in the United Kingdom.
