ATO (I) Limited

34 C.R. Avenue,

Kolkata 700 012


Phone: +91 33 2212 1287 (6 lines)


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We have worked with more than 5,000 customers in India alone.

We work with a large variety of customers from industries as diverse as retail and chemicals. Our customers include the largest and most prestigious companies of India. Below is a list of some of our clients