The Puncak Niaga Holdings Berhad (PNHB) Group is the leading regional integrated water, wastewater and environmental solutions provider and to emerge as a significant player in the oil & gas sector. PNHB is an investment holding company, whilst its subsidiaries are principally involved in the operation, maintenance, management, construction, rehabilitation and refurbishment of water treatment facilities; the supply and distribution of treated water within the State of Selangor and the Federal Territories of Kuala Lumpur and Putrajaya; undertaking works related to the oil and gas industry and other materials and the provision of offshore and onshore engineering works as well as undertaking research and development and technology development for the water, wastewater and environment sectors. Established on 7 January 1997, PNHB was listed on the Main Board of Bursa Malaysia Securities Berhad (now known as the Main Market of Bursa Malaysia Securities Berhad) on 8 July 1997. As at the end of December 2010, PNHB's market capitalisation stood at RM945 million. It is the first water treatment and supply concession company to be listed on Bursa Malaysia Securities Berhad under the Infrastructure Project Company guidelines issued by Securities Commission.