Top 40 controls US$187 billion

Combined market capitalization of 40 companies (Top 40) listed on Indonesia Stock Exchange (IDX), with minimum cap of US$1 billion, as of January 22, 2010 is US$187 billion. Telkom is the largest with US$20 billion, followed by Astra International, Bank Central Asia, Bank Mandiri, and Bank Rakyat Indonesia. Overall, 9 banks dominated the Top 40 with combined market cap of US$47 billion.

Unsurprisingly, all major coal producers (and coal mining contractors) are listed in the Top 40 with the following order: Adaro, United Tractors, Bumi Resources, Bukit Asam, Indo Tambangraya Megah, Bayan Resources, Indika, and Delta Dunia Makmur. 

All cement companies are in the list with the following order: Indocement, Semen Gresik, and Semen Cibinong. Three telecom companies are in the list: Telkom, Indosat, and XL Axiata. Only two property companies: BSDE and Lippo Karawaci, while pharmaceutical only has Kalbe Farma. Plantation also has two: Astra Agro and London Sumatra. 

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