Shiv Nadar founded HCL in 1976 focusing on manufacturing scientific calculators. It later expanded into IT hardware and services. HCL now comprises two publicly listed companies - HCL Technologies and HCL Infosystems. HCL Technologies focuses on global and domestic markets, providing products and services across engineering, applications, infrastructure, and business process outsourcing. It has operations in over 30 countries. HCL has transformed over decades under Shiv Nadar's leadership from an IT hardware company to an IT enterprise.