| Drilling | Offshore exploratory and production drilling services using jack-up rigs, drill ships, and semi-submersibles. | Extensive fleet, international presence, strong client relationships, ISO certification, operational expertise. | B2B: Major oil and gas operators including ONGC, Chevron, PTTEP, Exxon. | Long-term rig charters and specialized production services. | 1758 | 99 | Contract hire fees from long-term charter contracts with oil companies globally. | Contract-based charter hire with fixed and variable components over multi-year agreements. | Increased oil exploration, strategic international contracts, fleet expansion and modernization. | Aban-I to Aban VIII, Frontier Ice, Aban Pearl |
| Wind energy | Wind power generation through subsidiaries managing wind farms in Tamil Nadu. | Established wind farm operations and legacy renewable energy initiatives. | B2B: Electricity distribution companies. | Not significant currently. | 15 | 1 | Electricity sales under power purchase agreements. | Regulated tariff-based revenue. | Renewable energy trends and government incentives. | Aban Wind Power |
