E-Idaman Sdn. Bhd. (EISB) is jointly owned by Metacorp Berhad and Cenviro Sdn. Bhd. to undertake the waste management business in the Northern region of Peninsular Malaysia namely Perlis, Kedah, Penang and Perak. In 2004, E-Idaman formed Environment Idaman Sdn. Bhd. (ENVI) to undertake the Solid Waste Management and Public Cleansing Management concession by the Federal Government and subsequently formed Green Resource Recovery Sdn. Bhd. (GRRSB) in 2015, to tap into the non-concession area of businesses such as recycling and facilities.