Sterlite Technologies Limited (STL, formerly known as Sterlite Optical Technologies) is a provider of optical and digital solutions. It operates through three business segments: Optical Networking Business (OBS), Global Services Business (GSB), and Digital and Technology Solutions (Digital). The OBS segment is engaged in the design and manufacture of optical fiber, cables, and optical interconnect products. The GSB segment provide fiber roll-out, end-to-end system integration, and network deployment services. The Digital segment offers digital transformation enablement of telecommunications companies and enterprises.