Mahanadhi Aban Power Company Limited · Aban Ventures Private Limited · Perunad Plantations Ltd · Pathanamthitta Estates Private Limited · Aban Marketing And Exports Private Ltd · Aban Power Limited · Aban Green Power Private Limited · Aban Energies Limited · Radhapuram Wintech Private Limited · Deep Drilling 8 Pte Ltd · Aban 7 Pte Ltd · Aban Offshore Limited · Aban 7 Pte Ltd · Aban Abraham Pte Ltd · U01119 Tn1986 Plc013473 · U31300 Tn1997 Sgc038108 · Saipem Drilling Company Private Limited · North Chennai Power Company Limited · Aban Investments Private Limited · Swop Engineering Private Limited