SL CORP. revenue for the last year amounted to 4.89 T KRW, the most of which — 3.89 T KRW — came from its highest performing source at the moment, Lamp, the year earlier bringing 3.35 T KRW. The greatest contribution to the revenue figure was made by South Korea — last year it brought SL CORP. 2.36 T KRW, and the year before that — 2.04 T KRW.