WESTLAKE CORP DL-,01 revenue for the last year amounted to 11.37 B EUR, the most of which — 7.55 B EUR — came from its highest performing source at the moment, Performance and Essential Materials, the year earlier bringing 10.29 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought WESTLAKE CORP DL-,01 8.11 B EUR, and the year before that — 10.18 B EUR.