HFCL is a company that provides communication technology tools. It operates through three business segments: Telecom, Defense, and System Integration. The Telecom segment manufactures optical fiber, optical fiber cables, etc. The Defence segment offers advanced communication and surveillance, including electronic fuzes, electro-optics, ground and coastal surveillance radars, tactical cables, and integrated wire harness solutions. The System Integration segment delivers end-to-end deployment of large-scale telecom and defence communication networks, such as network design and infrastructure rollout.