Hitachi, Ltd. is a Japanese multinational conglomerate company headquartered in Chiyoda, Tokyo, Japan. It is the parent of the Hitachi Group and forms part of the DKB Group of companies. Hitachi is a highly diversified company that operates eleven business segments: Information & Telecommunication Systems, Social Infrastructure, High Functional Materials & Components, Financial Services, Power Systems, Electronic Systems & Equipment, Automotive Systems, Railway & Urban Systems, Digital Media & Consumer Products, Construction Machinery and Other Components & Systems.
Tata Consultancy Services Limited is an Indian multinational information technology service, consulting and business solutions company headquartered in Mumbai, Maharashtra. Tata Consultancy Services Limited was founded in 1968 by a division of Tata Sons Limited. and providing bureau services to Unit Trust of India. In 1975, TCS conducted its first campus interviews, held at IISc,Bangalore. The recruits comprised 12 Indian Institutes of Technology graduates and three IISc graduates, who became the first TCS employees to enter a formal graduate trainee programme.