The Hewlett-Packard Company (HP) is an American global information technology company headquartered in Alto, California. It develops and provides a wide variety of hardware components as well as software and related services to consumers, small- and medium-sized businesses (SMBs) and large enterprises, including customers in the government, health and education sectors.

Diebold, Inc. is a United States-based financial self-service, security and services corporation that is engaged primarily in the sale, manufacture, installation and service of self-service transaction systems (such as ATMs), electronic and physical security products (including vaults and currency processing systems), and software and integrated systems for global financial and commercial markets. Diebold is the largest U.S. manufacturer of ATMs.

Tata Consultancy Services Limited (TCS) is an Indian multinational information technology (IT) service, consulting and business solutions company headquartered in Mumbai, Maharashtra. TCS is one of the largest Indian Company by Market capitalization. TCS is now placed among the “Big 4” most valuable IT services brands worldwide.

Wipro Limited (Western India Products Limited) is an Indian multinational IT Consulting and System Integration services company headquartered in Bangalore, India. It is one of India’s largest publicly traded companies and seventh largest IT Services firm in the World.

PricewaterhouseCoopers (trading as PwC) is a multinational professional services network. It is the largest professional services firm in the world, and is one of the Big Four auditors. Vault Accounting 50 has ranked PwC as the most prestigious accounting firm in the world for seven consecutive years, as well as the top firm to work for in North America for three consecutive years.