IOI is listed on on the main board of the KLSE (also known as Bursa Malaysia). Subsidiaries IOI Properties Berhad and IOI Oleochemical Industries Berhad (Industrial Products) were separately de-listed from the exchange and fully privatized under IOI Corporation Berhad in April 2009 and March 2006, separately.
IOI also owns 2 resort hotels that is Marriott Putrajaya Hotel and Palm Garden Hotel in Putrajaya. In 2005, IOI Properties was ranked second in The Edge's Malaysia Top 10 Property Developers Award.
The group is currently headed by Tan Sri Lee Shin Cheng, the executive chairman. Lee has two sons and four daughters, all were trained as lawyers. Lee and his family's control of IOI Corporation is held via Progressive Holdings Sdn Bhd. Although all of Lee's children work for the company, sons Dato’ Lee Yeow Chor and Lee Yeow Seng are given more prominence as seen in their representation in IOI Corporation Berhad board of directors. • Plantation
Plantation is IOI's biggest income generator. As at June 2009, about 65 per cent of the conglomerate profits comes from its oil palm plantations. The group operates 152,000 hectares of oil palm plantations in Malaysia and 83,000 hectares in Indonesian. It has 12 palm oil mills with total milling capacity of 4.1 million tonnes per year at its 80 estates throughout Malaysia.
With oil yield of some 6 tonnes per hectare per year at its matured estates, IOI is the most efficient plantation company in the world. Malaysia's oil palm average yield for the last 20 years is stagnant at 4 tonnes per