A leading optical and digital solutions company.

STL is a leading global optical and digital solutions company providing advanced offerings to build 5G, Rural, FTTx, Enterprise and Data Centre networks. The company, driven by its purpose of ‘Transforming Billions of Lives by Connecting the World’, designs and manufactures in 4 continents with customers in more than 100 countries. Telecom operators, cloud companies, citizen networks, and large enterprises recognize and rely on STL for advanced capabilities in Optical Connectivity, Global Services, and Digital and Technology solutions to build ubiquitous and future-ready digital networks. STL’s business goals are driven by customer-centricity, R&D and sustainability. Championing sustainable manufacturing, the company has committed to achieve Net Zero emissions by 2030. With top talent from 30+ nationalities, STL has earned numerous ‘Great Place to Work’ awards and been voted as the ‘Best Organisation for Women’.

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25 years of unique capabilities

Large Scale Networks

Optical Interconnect

Digital and
Technology Solutions

9

Global production facilities

742+

Patents

in glass science, precision manufacturing, virtualised network software and more

4

Innovation Centres

Research & Development
Let us take you through

Our incredible journey of years

  1. randeep-sekhon-airtel

    1988

    journey 1993 1993 ENTERING THE WORLD OF OPTICAL FIBRE To fuel growing aspirations as a technology pioneer, STL established an optical fibre cable manufacturing unit in Silvassa, expanding STL’s capabilities as well as its horizons.

  2. randeep-sekhon-airtel

    1993

    journey 1993 1993 ENTERING THE WORLD OF OPTICAL FIBRE To fuel growing aspirations as a technology pioneer, STL established an optical fibre cable manufacturing unit in Silvassa, expanding STL’s capabilities as well as its horizons.

  3. randeep-sekhon-airtel

    1995

    journey 1993 1993 ENTERING THE WORLD OF OPTICAL FIBRE To fuel growing aspirations as a technology pioneer, STL established an optical fibre cable manufacturing unit in Silvassa, expanding STL’s capabilities as well as its horizons.

  4. randeep-sekhon-airtel

    2002

    journey 1993 1993 ENTERING THE WORLD OF OPTICAL FIBRE To fuel growing aspirations as a technology pioneer, STL established an optical fibre cable manufacturing unit in Silvassa, expanding STL’s capabilities as well as its horizons.

  5. randeep-sekhon-airtel

    2013

    journey 1993 1993 ENTERING THE WORLD OF OPTICAL FIBRE To fuel growing aspirations as a technology pioneer, STL established an optical fibre cable manufacturing unit in Silvassa, expanding STL’s capabilities as well as its horizons.

  6. randeep-sekhon-airtel

    2015

    journey 1993 1993 ENTERING THE WORLD OF OPTICAL FIBRE To fuel growing aspirations as a technology pioneer, STL established an optical fibre cable manufacturing unit in Silvassa, expanding STL’s capabilities as well as its horizons.

  7. randeep-sekhon-airtel

    2017

    journey 1993 1993 ENTERING THE WORLD OF OPTICAL FIBRE To fuel growing aspirations as a technology pioneer, STL established an optical fibre cable manufacturing unit in Silvassa, expanding STL’s capabilities as well as its horizons.

  8. randeep-sekhon-airtel

    2018

    journey 1993 1993 ENTERING THE WORLD OF OPTICAL FIBRE To fuel growing aspirations as a technology pioneer, STL established an optical fibre cable manufacturing unit in Silvassa, expanding STL’s capabilities as well as its horizons.

  9. randeep-sekhon-airtel

    2019

    journey 1993 1993 ENTERING THE WORLD OF OPTICAL FIBRE To fuel growing aspirations as a technology pioneer, STL established an optical fibre cable manufacturing unit in Silvassa, expanding STL’s capabilities as well as its horizons.

  10. randeep-sekhon-airtel

    2020

    journey 1993 1993 ENTERING THE WORLD OF OPTICAL FIBRE To fuel growing aspirations as a technology pioneer, STL established an optical fibre cable manufacturing unit in Silvassa, expanding STL’s capabilities as well as its horizons.

STL in numbers

USD $

775mn

FY22 Revenue*

3800+

Employees
Serving customers in

100+

Countries
Offices in

16

Countries

9

Global production facilities

CSR initiatives

and its impact

Environment

S.U.R.E packaging

Zero waste to landfill

World’s first integrated optical fibre producure

Reduced CO2

Emissions significantly

Social

2.15M

Lives positively impacted

Education :

Smart Nandghars, Digital Empowerment

Health :

Mobile Medical Unit

Environment :

Jaldoot, Greenbelt

Governance

Transform

Rural India (Pilot across 3 states) for digital readiness

Results

27% increase in internet usage

76.2% women using supplementary education

50% more usage of Govt. Apps

8.7 average user rating

Education

72k

Trained Professionals

10K

Certified Professions

Academy

Training for deployment of future ready networks

Client Opinions & Reviews

http://Steve%20Karistianis,
Steve Karistianis,

Project Director - Strategic and Major Projects
Vocus

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Sterlite has amazing world class facilities that are driven by passionate people that have immense pride to achieve the best outcomes for their customers

Jeremy Chelot,

CTO
Bharti Airtel

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I am excited to see this optical fibre innovation from a homegrown company.

Kevin Russell,

Group CEO
Vocus Group

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STL's optical solutions provide an efficient path for Vocus to upgrade and support higher capacity wavelengths at lower incremental costs

Susanne Stengade,

CEO
6X

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We have been working with STL for the last 5 years and we have grown a tremendous business together. The partnership has worked out amazing for us.

Kurt Pleysier,

Business Manager
Wirewave

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We really like the team in Italy, the team in the UK, which is giving us great support. We really appreciate the professionalism which is behind the STL logo. The great thing about STL is their vertical integration.