TCS is one of the largest IT services and consulting companies in the world, offering a wide range of IT services, consulting, and business solutions.
Infosys is a global leader in consulting, technology, and outsourcing services. It provides IT services to clients across various industries.
Wipro is a multinational IT services company that offers consulting, business process outsourcing, and various technology services.
HCL Technologies is an Indian multinational IT services and consulting company providing a range of services, including software development and infrastructure management.
Tech Mahindra is a leading provider of IT services, including consulting, business process outsourcing, and information technology solutions.
While Cognizant is originally a U.S.-based company, it has a significant presence in India. It provides IT services, including digital, technology, consulting, and operations services.