Audco India Limited (AIL), a premier valve manufacturing company, is jointly owned by Larsen & Toubro Limited (L&T) in India and Flowserve Corporation, USA.

AIL's manufacturing operations commenced in 1962 and over last five decades the company has expanded to cater to the needs of the national and the International markets. Present manufacturing range includes Valves and Actuators.


AIL, today has three independent modern manufacturing plants capable of producing thousands of valves. The main plant is at Manapakkam, Chennai (Madras) in Southern part of India. The other two plants are at MM Nagar, 40 Kms south and at , 70 Kms west of the main plant at Chennai.

The manufacturing range of AIL includesring range of AIL includes
Gate,Globe and Check Valves
Process Ball Valves
Trunnion Mounted Pipeline Ball Valves
Resilient Seated Butterfly Valves
Metal Seated Butterfly Valves
Pneumatic Actuators and Valve Automation