Welspun Enterprises Limited is an Indian company operating within the infrastructure and oil & gas industries. It focuses on road infrastructure, water infrastructure, and oil & gas investments. The company executes Hybrid Annuity Model (HAM) projects as a developer, Build-Operate-Transfer (BOT) toll and EPC projects, and Infrastructure Engineering, Procurement, and Construction (EPC) projects. It develops and manages infrastructure assets related to transportation, water and wastewater, and tunnelling, with specialized attention to municipal water treatment and advanced tunnelling. Notable projects include the Dharavi Wastewater Treatment Facility and various national highway projects. Welspun Enterprises operates under an asset-light business model and is part of the USD 2.7 billion Welspun Group. As of March 31, 2025, its consolidated order book was approximately ₹14,354 crore.