Eastern Water Resources Development and Management Public Company Limited, together with its subsidiaries, engages in the development and management of water distribution pipeline systems in the Eastern Seaboard area of Thailand. It is involved in the supply of raw and industrial water; production and supply of tap water; provision of waste treatment, waterworks management and engineering, operation and maintenance management, and renewable energy management services; and rental of office buildings. The company was founded in 1992 and is headquartered in Bangkok, Thailand.