NetApp

IBM is an American multinational technology and consulting corporation that manufactures and markets computer hardware, middleware, and software, and offers infrastructure, hosting, and consulting services in areas ranging from mainframe computers to nanotechnology. IBM is intent on leading the development of a global data field.

Software AG's products help companies combine existing systems On-Premise and in the cloud into a single platform to optimize and digitize their businesses. The combination of process management, data integration and real-time analytics in one Digital Business Platform enables customers to drive operational efficiency, modernize their systems and optimize processes for smarter decision-making. Software AG specializes in business process management software, including XML-based database applications and enterprise software, transactional databases, and applications development. The company's customers use its products to link and manage a wide variety of IT assets, including business software, servers, databases, mobile devices, and PCs. Services include consulting, maintenance, and training.

Cognizant is a provider of information technology, consulting and business process services. Its customers are primarily corporations from the Forbes Global 2000, and it targets customers in the financial services, health care, manufacturing, retail, and logistics sectors. Year founded: 1988 Revenue: $14.8 billion (2017) NASDAQ:CTSH

Infosys is a global leader in consulting, technology, and outsourcing and next-generation services. They help enterprises transform and thrive in a changing world through strategic consulting, operational leadership, and the co-creation of breakthrough solutions, including those in mobility, sustainability, big data, and Cloud Computing.

Headquartered in Mumbai and Singapore, Tata Communications is a global company with its roots in the emerging markets. It has evolved from a wholesale service provider serving the Indian market to a leading provider of A New World of Communications™ to enterprise customers and service providers worldwide. The $2.9 billion company is listed on the Bombay Stock Exchange and the National Stock Exchange of India and is the flagship telecoms arm of the $103.3 billion Tata Group. It has invested $1.19 billion in the world's only wholly owned subsea fiber network that circles the globe.The exponential growth of connected devices, the emergence of social media, analytics and Cloud Computing (SMAC) and acceptance of 'bring your own device' (BYOD), are all resulting in a major transition in the way enterprises engage with technology. Both developed and emerging economies are looking to innovation in technology. As a key enabler of information and communication technologies to global enterprises, Tata Communications has led from the front in ensuring a robust digital ecosystem that is equipped for the future – with the infrastructure that can cope with customers’ demands of intelligence, scalability and flexibility.Tata Communications’ services portfolio includes predictable high-speed connections and global MPLS virtual private networks, Telepresence services, DDoS mitigation and detection service, content delivery networks and cloud offerings. Tata Communications offers customized network solutions for customers in key markets – including verticals like manufacturing, oil and gas, banking, financial services, insurance, media and entertainment – offering customers speed, quality and unparalleled network reach.