STL is an industry-leading integrator of digital networks. We design and integrate these digital networks for our customers. With core capabilities in Optical Interconnect, Virtualised Access Solutions, Network Software and System Integration, we are the industry’s leading end-to-end solutions provider for global digital networks. We partner with global telecom companies, cloud companies, citizen networks and large enterprises to deliver solutions for their fixed and wireless networks for current and future needs. 

We believe in harnessing technology to create a world with next generation connected experiences that transform everyday living. With an intense focus on end-to-end network solutions development, we conduct fundamental research in next-generation network applications at our Centre of Excellence. STL has a strong global presence with next-gen optical preform, fibre and cable manufacturing facilities in India, Italy, China and Brazil, along with two software-development center’s across India and one data Centre design facility in the UK.