Sterlite Technologies Ltd. is an Indian manufacturer of optical fibers, telecommunication cables and power transmission conductors and exports optical fiber to overseas markets in China, Europe and South East Asia. The company is listed on the Bombay Stock Exchange and the National Stock Exchange of India. The company changed its name to 'Sterlite Technologies Limited' from Dec.2006. It is India's only fully integrated Optical Fiber producer and one of the largest suppliers of Optical Fibers to overseas markets in China, Europe and South East Asia.

Sterlite Technologies is partially owned by Sterlite Industries (India) Limited, which is in turn 77%-owned by Vedanta Resources.

The Company has an optical fiber manufacturing plant located at Aurangabad, India and Telecom Cable Power Transmission Conductor plants at Silvassa, Pune Haridwar India.