BORAL LIMITED. revenue for the last year amounted to 3.46 B AUD, the most of which — 3.46 B AUD — came from its highest performing source at the moment, Construction Materials, the year earlier bringing 2.95 B AUD. The greatest contribution to the revenue figure was made by Australia — last year it brought BORAL LIMITED. 3.46 B AUD, and the year before that — 2.96 B AUD.