The bureau holds stakes in Siam Commercial Bank and Siam Cement that alone are worth more than $US9 billion.
The bureau owns at least 8400 hectares of land in Bangkok,mainly in the historic part of the city.
Across the country the bureau has 40,000 rental properties,about 17,000 in Bangkok,including government offices,slum communities,shops,markets and prime sites occupied by hotels,office blocks and shopping centres.
Outside the capital the bureau owns 33,000 hectares of land.