Microsoft Corporation is an American multinational technology company with headquarters in Redmond, Washington. It develops, manufactures, licenses, supports and sells computer software, consumer electronics, personal computers, and related services. Its best known software products are the Microsoft Windows line of operating systems, the Microsoft Office suite.
Dell is an American multinational computer technology company based in Round Rock, Texas, United States, that develops, sells, repairs, and supports computers and related products and services.Dell sells personal computers (PCs), servers, data storage devices, network switches, software, computer peripherals, HDTVs, cameras, printers, MP3 players, and electronics built by other manufacturers. The company is well known for its innovations in supply chain management and electronic commerce, particularly its direct-sales model and its "build-to-order" or "configure to order" approach to manufacturing—delivering individual PCs configured to customer specifications.
Hewlett-Packard (hp) is an American multinational information technology company headquartered in Palo Alto, California. It developed and provided 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. HP specialized in developing and manufacturing computing, data storage, and networking hardware, designing software and delivering services. Major product lines included personal computing devices, enterprise and industry standard servers, related storage devices, networking products, software and a diverse range of printers and other imaging products. HP directly marketed its products to households, small- to medium-sized businesses and enterprises as well as via online distribution, consumer-electronics and office-supply retailers, software partners and major technology vendors. HP also had services and consulting business around its products and partner products.
Ingram Micro is a Chinese-owned distributor of information technology products. The company ranked 64th in the 2016 Fortune 500.In December 2016, Tianhai Investment (now known as HNA Technology), an associate company of HNA Group, acquired Ingram Micro in an all-cash transaction with an equity value of approximately $6 billion.
Tata Teleservices Limited (TTSL) is an Indian broadband and telecommunications service provider based in Mumbai, Maharashtra, India. It is a subsidiary of the Tata Group, an Indian conglomerate. It operates under the brand name Tata DoCoMo in various telecom circles of India.