Cisco

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The ruler of routers, the sultan of switches, Cisco Systems continues to dominate the market for equipment used to link networks and power the Internet. The company's bread and butter products are routers and switches; Cisco's switch line includes equipment based on Ethernet, Gigabit Ethernet, and ATM technologies. Other products include remote access servers, IP telephony equipment used to transmit data and voice communications over the same network, optical networking components, and network service and security systems. It sells its products primarily to large enterprises and telecommunications service providers, but it also has products designed for small businesses and consumers.RETURN

IBM Global

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It should come as no surprise that the #1 computer hardware maker is also the world leader in computer services. IBM Global Services, the technology services and consulting division of International Business Machines, is the world's biggest provider of systems integration and technology consulting. It offers services in such areas as application development, data storage, infrastructure management, networking, and technical support. IBM Global Services is also among the world leaders in providing business consulting and outsourcing services. The unit provides services to both public and private sector customers throughout the world.RETURN