L&T Valves (formerly Audco India Limited) has been manufacturing valves for the oil & gas, power, petrochemicals, chemicals, fertilizers and pharmaceutical industries for over 50 years. Their valves are regularly supplied to major Indian and international clients including oil refining companies and EPC contractors. L&T Valves has manufacturing units located in Manapakkam (Chennai), Coimbatore and Kancheepuram, India. All plants are certified to ISO 9001 and API Spec Q1.