The bureau's other assets are easier to value. Its 30% share in the Siam Cement Group, the country's second-largest company, is worth $1.9 billion and its 25% share in Siam Commercial Bank is worth $1.1 billion. As of July it also owns virtually all of Deves Insurance, worth $65 million, and stakes in various other public and private companies that Aviruth says are worth $600 million.