AT&T
As the largest provider of local and long distance telecoms services in the US, AT&T (www.att.com) is also among the premier communications providers globally, frequently the choice of enterprise clients.
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Global Crossing
Global Crossing is a Tier 1 carrier, providing a broad range of voice, data, video, and conferencing services in more than 700 cities on six continents.
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NTT America
NTT America is a Tier 1 global IP network services and enterprise hosting provider, offering Internet, Ethernet, VPN, colocation, and managed hosting services to the global enterprise.
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Reliance Globalcom
Reliance Globalcom owns the world’s largest private undersea cable system spanning 65,000 km seamlessly integrated with Reliance Communications’ domestic optic fiber running over 190,000 km,
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Tata Communications
With its Tier 1 IP network, connectivity to more than 200 countries, Cisco Telepresence, advanced Content Delivery Network, and almost one million square feet of datacenter space, Tata Communications offers a wide range of technology solutions.
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XO Communications
Operating a Tier 1 network containing more than one million miles of metropolitan fiber, 3,000 fiber-fed buildings, and 25 billion VoIP minutes per year, XO provides IP services to more than than 50% of Fortune 500 companies.
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