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  • AT&T Inc.  (NYSE: T)
    San Antonio, TX

    AT&T Corp. is a business services communications provider, offering a variety of global communications services to over two-million customers, including large domestic and multinational businesses, small and medium-sized businesses and government agencies. The Company operates a... more

  • Skype  (NASDAQ: EBAY)
    London, United Kingdom

    Skype is the world's fastest-growing Internet communication offering, allowing people everywhere to make unlimited voice and video communication for free between the users of Skype software. Skype is available in 27 languages and is used in almost every country around the world. Skype... more

  • SBC companies  (NYSE: SBC)
    San Antonio, Texas

    SBC Communications Inc. is a Fortune 50 company whose subsidiaries, operating under the SBC brand, provide a full range of voice, data, networking, e-business, directory publishing and advertising, and related services to businesses, consumers and other telecommunications providers. SBC... more

  • Sprint Corp.  (NYSE: S)
    Reston, VA

    Sprint is a global integrated communications provider serving more than 26 million customers in over 100 countries. With more than $26 billion in annual revenues in 2003, Sprint is widely recognized for developing, engineering and deploying state-of-the-art network technologies, including... more

  • BellSouth Corporation  (NYSE: BLS)
    Atlanta, Georgia

    BellSouth Corporation is a Fortune 500 communications company headquartered in Atlanta, Georgia. BellSouth has joint control and 40 percent ownership of Cingular Wireless, the nation's largest wireless voice and data provider with 57.3 million customers. Backed by award-winning customer... more

  • Verizon companies  (NYSE: VZ)
    New York, New York

    The Verizon Foundation, the philanthropic arm of Verizon Communications, is committed to improving literacy and K-12 education; fostering awareness and prevention of domestic violence; and promoting the use of technology in health-care delivery. In 2006, the foundation awarded more than... more

  • Cox Communications , Inc.

    Cox Communications is a multi-service broadband communications and entertainment company with more than 6 million total residential and commercial customers. The third-largest cable television company in the United States, Cox offers an array of advanced digital video, high-speed Internet... more

  • Qwest Communications International Inc.
    Denver, Colorado

    Qwest Communications International Inc. (Qwest) is a provider of voice, data, Internet and video services. The Company operates most of its business within its local service area, which consists of the 14-state region of Arizona, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, New... more

  • Covad
    San Jose, California

    Covad is a leading nationwide provider of integrated voice and data communications. The company offers DSL, Voice Over IP, T1, broadband wireless, Web hosting, managed security, IP and dial-up, and bundled voice and data services directly through Covad's network and through Internet... more

  • MCI Inc.
    Ashburn, Virginia

    MCI, Inc. is a leading global communications provider, delivering innovative, cost-effective, advanced communications connectivity to businesses, governments and consumers. With one of the most expansive global IP backbones and wholly-owned data networks, MCI develops the converged... more

  • Alltel Corp.
    Little Rock, AR

    Alltel is a customer-focused communications company with more than 15 million customers in 36 states and nearly $10 billion in annual revenues.

  • Equinix Inc
    Foster City, California

    Equinix, Inc. (Equinix) provides network neutral colocation, interconnection and managed services to enterprises, content companies, systems integrators and a network provider. Through its Internet Business Exchange hubs, (IBX hubs), in 18 markets in the United States, Asia-Pacific and... more

  • Cable & Wireless plc
    Vienna, Virginia

    Cable & Wireless is the only full service telecommunications company in the region, and one of the world's leading international communications companies. It provides fixed and mobile voice, data, IP (Internet Protocol) and broadband services to business and residential customers, as well... more

  • Telstra Corporation Limited
    Exhibition St Melbourne, Victoria, Australia

    Telstra Corporation Limited (Telstra) is an Australia-based company, providing telecommunications and information services for domestic and international customers. The Company operates in eight business segments: Telstra Consumer Marketing and Channels, Telstra Business, Telstra... more

  • Qwest Communications International Inc.
    Denver , CO

    Formed as a joint venture in June of 1999 between Qwest Communications International Inc. (NYSE: Q) and KPMG LLP, Qwest Cyber.Solutions (QC.S) is the industry's largest applications service provider (ASP). Combining Qwest's broadband Internet communications technology and KPMG's... more

  • WorldCom Inc.
    Clinton, Mississippi

    WorldCom, Inc. (WCOEQ, MCWEQ) is a leading global communications provider, delivering advanced communications connectivity to businesses, governments and consumers. With one of the world's most expansive, wholly-owned data networks, WorldCom provides innovative data and Internet services... more

  • TELUS Corporation
    Toronto, ON, Canada

    TELUS is the largest telecommunications company in Western Canada and the second largest in the country, with more than 25,000 employees. The company provides subscribers with a full range of telecommunications products and services including data, Internet Protocol, voice and TELUS... more

  • Global Crossing Ltd.
    Miami, Florida

    Global Crossing (Nasdaq: GLBC) provides telecommunications solutions over the world's first integrated global IP-based network.

  • BT plc
    London, United Kingdom

    BT (NYSE:BTY) is one of the world's leading providers of telecommunications services and one of the largest private sector companies in Europe. Its principal activities include local, long distance and international telecommunications services, internet and broadband services and IT... more

  • RCN Corporation
    Herndon, Virginia

    RCN Corporation, www.rcn.com , is one of the largest facilities-based competitive providers of bundled cable, high-speed internet and phone services delivered over its own fiber-optic local network to residential, small business and commercial customers in the most densely populated... more

  • SBC Communications Inc.
    San Antonio, Texas

    SBC Communications Inc. is a Fortune 50 company whose subsidiaries, operating under the SBC brand, provide a full range of voice, data, networking, e-business, directory publishing and advertising, and related services to businesses, consumers and other telecommunications providers. SBC... more

  • XO Communications Inc
    Reston, VA

    XO Communications is a leading provider of national and local telecommunications services to businesses, large enterprises and telecommunications companies. XO offers a complete portfolio of services, including local and long distance voice, dedicated Internet access, private networking,... more

  • SAVVIS Inc
    Chesterfield, Missouri

    SAVVIS, Inc. (SAVVIS) is a global information technology (IT) services company that provides managed hosting, utility computing, colocation, security, network, and professional services through its global infrastructure to businesses and government agencies around the world. As of... more

  • MobilePro Corp.
    Bethesda, Maryland

    MobilePro Corp. (MobilePro) is a holding company with subsidiaries in the pay telephone and online gaming industries, and an affiliate in the software industry. Although classified as discontinued operations, the Company owns an integrated telecommunications business. At June 30, 2007,... more

  • Clearwire Corp.
    Kirkland, WA

    The Internet gives us all a profound freedom to communicate, explore and share ideas. But until now, access to the Internet has been a bit of a let down. That's why we created a better alternative with Clearwire. Clearwire is here to provide Internet service as astounding as the... more

  • Speakeasy Inc
    Seattle, WA

    Speakeasy offers superior Voice over IP (VoIP), T1, DSL and a range of broadband services customized for small businesses.

  • Equant N.V.
    Atlanta, Georgia

    Equant is a recognized industry leader in global communications services for multinational businesses. Equant combines its network expertise with its expanded services capabilities to provide global, integrated and customized communication services to enable its customers - key business... more

  • Eschelon Telecom Inc
    Minneapolis, Minnesota

    Eschelon Telecom, Inc. is a facilities-based competitive communications services provider of voice and data services and business telephone systems in 23 markets in the western United States. Headquartered in Minneapolis, Minnesota, the company offers small and medium-sized businesses a... more

  • Bell Canada
    Montréal, Quebec, Canada

    Bell Canada, Canada's national leader in communications, provides connectivity to residential and business customers through wired and wireless voice and data communications, local and long distance phone services, high speed and wireless Internet access, IP-broadband services, e-business... more

  • Videotron Ltd.
    Montreal, Quebec, Canada

    Vidéotron Ltée, a wholly-owned subsidiary of Quebecor Média Inc., is an integrated communications company active in cable television, interactive multimedia development and Internet access services. Vidéotron Ltée is a leader in new technologies, thanks to illico, its interactive... more

  • Glowpoint Inc
    Hillside, New Jersey

    Glowpoint, Inc is a broadcast quality IP (Internet Protocol)-based managed video services provider. The Company offers an array of managed video services, including video application services, managed network services, IP and integrated services digital network (ISDN) videoconferencing... more

  • Golden Telecom , Inc.
    Carlsbad, California

    Golden Telecom, Inc. (NASDAQ: GLDN) is a leading facilities-based provider

  • Cognigen Networks Inc
    Seattle, Washington

    Cognigen Networks, Inc. offers a wide range of telecommunication services and related technology products via its Website, http://www.cognigen.net/. Cognigen's robust marketing engine harnesses distribution channels featuring a prominent Internet presence, a network of independent agents... more

  • Inflow Inc
    Thornton, Colorado

    Inflow provides technology solutions to companies with critical business and network applications. Founded in 1997, Inflow opened its first Internet Data Center (IDC) in June 1998 and currently serves more than 800 customers from its IDCs in 12 markets throughout the U.S. Leveraging its... more

  • iBasis Inc
    Burlington, Massachusetts

    iBasis, Inc. is a wholesale carrier of international long distance telephone calls and a provider of retail prepaid calling services and enhanced services for mobile operators. The Company's operations consist of wholesale trading business (Trading), in which it connects buyers and... more

  • Mpower Communications Corp.
    Pittsford, New York

    Founded in 1996, Mpower Communications (AMEX: MPE) is a leading facilities-based broadband communications provider offering a full range of data, telephony, Internet access and Web hosting services for retail business and wholesale customers.

  • Pacific Internet Limited
    Melbourne, Victoria, Australia

    Pacific Internet Limited or PacNet is the largest telco- independent Internet Communications Service Provider by geographic reach in the Asia Pacific region. The Company has direct presence in Singapore, Hong Kong, the Philippines, Australia, India, Thailand and Malaysia. PacNet delivers... more

  • Teleglobe Inc.
    Montreal, Quebec, Canada

    Teleglobe International Holdings Ltd is a leading provider of international voice, data, Internet and mobile roaming services with over 50 years of industry expertise in international telecommunications. Teleglobe became a public company trading on the Nasdaq under the symbol TLGB with... more

  • Internap Network Services Corporation
    Atlanta, Georgia

    Internap Network Services Corporation (Internap) markets products and services that optimize the performance and reliability of business Internet applications for e-commerce, customer relationship management (CRM), multimedia streaming, voice-over Internet protocol (VoIP), virtual private... more

  • Telefonica SA
    Madrid, Spain

    Telefónica is one of the largest telecommunications companies in the world in terms of market capitalisation. Its activities are centered mainly on the fixed and mobile telephony businesses with broadband as the key tool for the development of both. The company has a significant... more

  • Globix Corporation
    New York, New York

    Globix (OTC BB: GBXX.OB) is a leading provider of managed Internet applications and infrastructure services for enterprises. Globix delivers and supports mission-critical applications and services via its secure Data Centers, high-performance global Tier 1 IP backbone, and content... more

  • DSL.net , Inc.
    New Haven, Connecticut

    DSL.net, Inc. is a leading nationwide provider of broadband communications services to businesses. The Company combines its own facilities, nationwide network infrastructure and Internet Service Provider (ISP) capabilities to provide high-speed Internet access, private network solutions... more

  • CenturyTel , Inc.
    Monroe, Louisiana

    CenturyTel, Inc., together with its subsidiaries, is an integrated communications company engaged primarily in providing an array of communications services, including local and long distance voice, Internet access and broadband services. It conducts its operations in 25 states located... more

  • Cbeyond LLC
    Atlanta, Georgia

    Cbeyond, Inc. (Cbeyond) provides managed Internet Protocol (IP)-based and communications services across the United States. The Company’s services include local and long distance voice services, broadband Internet access, mobile voice and data, email, voicemail, Web hosting, secure backup... more

  • PAETEC Communications , Inc.
    Fairport, New York

    PAETEC Communications, Inc., a subsidiary of PAETEC Corp., is a communications solutions provider offering broadband services, including advanced voice and video, enhanced data and communications management services to medium-sized and large businesses, colleges and universities,... more

  • Terremark Worldwide Inc
    Miami, Florida

    Terremark Worldwide, Inc. (Terremark) is a global provider of managed information technology (IT) infrastructure services leveraging data centers throughout the United States, Europe and Latin America and access to massive carrier-neutral network connectivity. Terremark delivers a suite... more

  • Tiscali Ltd
    London, United Kingdom

    Tiscali UK forms part of Tiscali SpA., headquartered in Cagliari, Italy. The UK company was launched in July, 2001 following the acquisitions of Liberty Surf, World Online and LineOne. Tiscali UK also acquired Tiny and Gateway ISPs. Tiscali UK is positioned within the UK market as the 4th... more

  • Choice One Communications Inc
    Rochester, New York

    Choice One Communications is a leading provider of voice and data services, including local and long distance phone service, high-speed Internet, T1 access, and web hosting, design and development services in the Northeast and Midwest. The company's expansive network footprint, including... more

  • ITC^DeltaCom , Inc.
    Huntsville, Alabama

    ITC^DeltaCom, Inc. ("ITC^DeltaCom") headquartered in Huntsville, Alabama, provides, through its operating subsidiaries, integrated telecommunications and technology services to businesses and consumers in the southeastern United States. ITC^DeltaCom has a fiber optic network spanning... more

  • US LEC Corp.
    Charlotte, North Carolina

    Based in Charlotte, N.C., US LEC is a leading telecommunications carrier providing integrated Internet, data and voice services to medium and large businesses and enterprise organizations throughout 16 Eastern states and the District of Columbia. US LEC services include Voice over... more

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