Elnusa Revenue Growth Reach 29%. Elnusa, Tbk (ELSA) recorded good performance along 1H19. The oil and gas service issuer recorded an income of IDR3.77Trn at 1H19, an increase of 29.11% compared to the first half income of last year which amounted to IDR2.92Trn. However, ELSA’s revenue cost increased to 29.68% fromTo subscribe please click here