FBM Klci Top 30 Companies by market capitalization. The Ftse Bursa Malaysia KLCI (FBM KLCI) represents the top 30 companies by market capitalization on the Bursa Malaysia Main Market that pass the relevant investability screens. It is the headline index of the FTSE Bursa Malaysia Index Series. Below are the top 10 constituents of FBM KLCI: (click the image to enlarge) from: FTSE Bursa