STLTECH on National Stock Exchange of India

Sterlite Technologies

Logo: Ambertandon, CC BY-SA 4.0, via Wikimedia Commons3

Indian multinational technology company

Sterlite Technologies Limited (formerly Sterlite Tech) is an Indian optical and digital technology company, headquartered in Pune. It is listed on Bombay Stock Exchange and National Stock Exchange of India.2 From Wikipedia, CC BY-SA 4.0

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Last updated Oct 16, 2026.

Overview

2000Founded1

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Sterlite Technologies, Waluj
Photo: Sterlite Technologies, CC BY-SA 2.0, via Wikimedia Commons5

Sterlite Technologies Limited (formerly Sterlite Tech) is an Indian optical and digital technology company, headquartered in Pune. It is listed on Bombay Stock Exchange and National Stock Exchange of India. It has 780+ patents and is active in over 150 countries. The company is specialized in optical networking which consists of optical fiber and cables, hyper-scale network design, and deployment and network software, company deliver solutions in more than 100 countries. Data Centre & Cloud companies, Telecom operators, Internet service providers and Large enterprises collaborate with STL to build their future-ready digital infrastructure. STL's business goals are driven by customer-centricity, R&D and sustainability.2

The story

Founded by Anil Agarwal in 2000.1

The company was founded as Sterlite Telecom Systems in March 2000, primarily engaged in the production of telecommunication cables. By August 2000, the company's name was changed to Sterlite Optical Technologies.

During the fiscal year 2005–2006, the company raised its installed capacity for Fiber Optic Cables from 1.4 million FKM to 2.4 million FKM. Additionally, in the same year, the company initiated a new project to manufacture Broadband Access Networks.

Between 2006 and 2007, the company expanded its installed capacity for Copper Telecom Cables by 2 million CKM to reach a total of 9.5 million CKM. Similarly, the capacity for Fiber Optic Cables was raised by 822,528 FKM to reach 3,222,528 FKM, and the capacity for Broadband Access Networks was increased by 120,000 to reach 720,000.

In 2007, the name of the company again changed to Sterlite Technologies.

From Wikipedia’s article on Sterlite Technologies, shared under CC BY-SA 4.0.4

Leadership

Who has led Sterlite Technologies, and when. Pick a name to see everywhere that person has worked.

Products and brands

  • optical fiber

Listed on Wikidata.1

Operations

As of 2023, the company operates manufacturing facilities in 6 different locations, including Aurangabad and Pune in Maharashtra, Silvassa in Dadra & Nagar Haveli, and Haridwar in Uttarakhand. It has the first optical fiber cable plant in India to receive zero waste to landfill certification

The Aurangabad plants, located in Waluj MIDC and Shendra MIDC, primarily specialize in the production of single mode optical fibers that transmit signals at 1490 nm wavelength in compliance with internet communication standards.

As of 2020, STL invested in 5G assembling ecosystem as a part of Make in India initiative.

The company reported a year-on-year increase of 870% in Q1 profit to ₹197 crore, supported in part by higher earnings associated with AI data centre orders.

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The company raised ₹1,500 crore through a Qualified Institutions Placement to support its growth plans and strengthen its balance sheet.

Geographical presence

Along with these manufacturing sites, STL has 2 development centres and 20+ sales and marketing offices across the world as of March 31, 2018, with major presence in Australia, Brazil, China, Europe (Italy), the Middle East and the United States.

As of 2026, the company operates manufacturing facilities in 10 different locations, including Aurangabad in Maharashtra, Silvassa in Dadra & Nagar Haveli in India, South Carolina in the US, Haimen in China, Brescia and Origgio in Italy.

Research and development

STL researches, conceptualizes, and manufactures telecommunications and specialized optical fibers. As per the Cellular Operators Association of India, it is the sole domestic firm that has cable production standards on par with the global level through substantial investments in research and development, as well as intellectual property advancements.

In 2019, the company partnered with the Department of Electrical Engineering, Indian Institute of Technology, Madras by signing a memorandum of understanding (MoU) to support a 5G network research professorship. Since 2020, the professor in this position has been teaching and researching on 5G technology by combining IIT-M's research and domain knowledge with STL's industry expertise.

Case studies

Sinha, Abhishek; Ramdas, Rajani; Pradeep, K.V. (2022). "Sterlite Technologies Ltd.: To Buy or Not to Buy is the Question". Asian Case Research Journal. 26 (2). Singapore: Asian Case Research Journal, World Scientific: 127–144. doi:10.1142/S0218927522500055.

Sahay, Arvind; Tiwari, Tara (2023). Sterlite Technologies Limited (STL): From Cables to Solution Selling. London: Sage Knowledge. ISBN 9781529620108.

From Wikipedia’s article on Sterlite Technologies, shared under CC BY-SA 4.0.4

Acquisitions

On 24 September 2015, Sterlite Technologies Limited acquired Elitecore Technologies in an all cash deal worth ₹180 crore.

On 20 July 2018, Sterlite Technologies Limited subsidiary Sterlite Global Venture acquired Metallurgica Bresciana in an all cash deal worth €47 million.

On 26 September 2019, Sterlite Technologies Limited subsidiary Sterlite Global Venture acquired Impact Data Solutions (IDS) Group for an enterprise value of $15 million.

On 9 January 2020, Sterlite Technologies Limited acquired 12.8% stake in Israel-based ASOCS.

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On 2 November 2020, Sterlite Technologies Limited acquired 100% stake in Optotec S.p.A, a leading optical interconnect company at an enterprise value of €29 million.

In June 2021, STL acquired a UK-based network integration company, Clearcomm for £15.5 million.

From Wikipedia’s article on Sterlite Technologies, shared under CC BY-SA 4.0.4

Timeline

  1. 2000Founded Founded1

Sources

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