TESS HOLDINGS CO LTD revenue for the last year amounted to 34.41 B JPY, the most of which — 23.99 B JPY — came from its highest performing source at the moment, Energy Supply, the year earlier bringing 18.12 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought TESS HOLDINGS CO LTD 34.41 B JPY, and the year before that — 34.95 B JPY.