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

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

BellSouth Corporation is a Fortune 100 communications services company headquartered in Atlanta, Georgia, serving more than 44 million customers in the United States and 14 other countries. Consistently recognized for customer satisfaction, BellSouth provides a full array of broadband... more

Global Crossing (Nasdaq: GLBC) provides telecommunications solutions over the world's first integrated global IP-based network. Its core network connects approximately 400 cities in about 45 countries worldwide, and delivers services to more than 690 cities in more than 60 countries and... more

RCN Corporation, http://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

AT&T Inc. (AT&T) is a provider of telecommunications services in the United States. It offers its services and products to consumers in the United States, and services and products to businesses and other providers of telecommunications services worldwide. The services and products that... more

Qwest offers a powerful combination of award-winning broadband, video and voice solutions for residential customers, businesses and government agencies. Customers coast to coast turn to Qwest's industry-leading national fiber optic network to meet their evolving communications and... more

China Mobile Limited is an investment holding company and a mobile services provider in China. Its principal activity is providing mobile telecommunications and related services in 31 provinces, autonomous regions and directly administered municipalities in Mainland China and Hong Kong.... more

Connected by intercity fiber optic networks in the United States and Europe, as well as undersea cables crossing the Atlantic, Pacific and in Asia, Level 3 currently offers service over metropolitan networks in 43 U.S. and European markets. Of those cities, Level 3 has built and operates... more

China United Communications Corporation Limited, the second largest nation-wide communications carrier in China, was formed on July 19, 1994. The establishment of China Unicom has played a positive role in introducing the competition in the field of basic telecom services and promoting... more

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

Sprint offers an extensive range of innovative communication products and solutions, including global IP, wireless, local and multiproduct bundles. A Fortune 100 company with more than $27 billion in annual revenues in 2004, Sprint is widely recognized for developing, engineering and... more

Mpower Communications is a facilities-based broadband communications provider established in 1996. Mpower offers a full range of data, telephony, Internet access and Web hosting services for small and medium-size business customers.

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

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

From its home base in Atlantic Canada, Aliant delivers a wide variety of innovative and traditional communications services, including local and long-distance telephony, wireless, Internet, e-commerce, interactive multimedia, data and managed network services, to more than two million... more

Cox Communications is a multi-service broadband communications and entertainment company with more than 6.2 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... more

PCCW Limited (PCCW) is a Hong Kong-based communications operator. The principal activities of the Company and its subsidiaries are the provision of local, mobile and international telecommunications services, Internet access services, interactive multimedia and pay-television (TV)... more

NTT DOCOMO is the world's leading mobile communications company. DOCOMO serves over 53 million customers, including 45 million people subscribing to FOMATM, launched as the world's first 3G mobile service based on W-CDMA in 2001. DOCOMO also offers a wide variety of leading-edge mobile... more

Stratos is the world's trusted leader for vital communications. Stratos offers the most powerful and extensive portfolio of remote communications solutions including mobile and fixed satellite and microwave services. More than 20,000 customers use Stratos products and industry-leading... more

U S WEST provides a full range of telecommunications services including wireline, wireless PCS, data networking, directory and information services to more than 25 million customers nationally and in 14 western and midwestern states.

Broadwing Corporation (NASDAQ:BWNG), through its consolidated subsidiary Broadwing Communications, LLC (Broadwing) delivers innovative data, voice, and media solutions to enterprises and service providers. Enabled by its leading-edge optical network and award-winning products and... more

Ameritech (NYSE: AIT) serves millions of customers in 50 states and 40 countries. Ameritech provides a full range of communications services, including local and long-distance telephone and data, cellular, directories, paging, security, cable TV, Internet and more. One of the world's 100... more

Bell Atlantic is one of the world's largest publishers of Yellow Pages shopping directories. Its affiliate, Bell Atlantic Electronic Commerce Services, is the creator of BigYellow, a leading national online shopping service, and Web@Once Web Site Creation Service for small and mid-sized... more

MTN is a Pan African cellular network operator and is listed on the Johannesburg Stock Exchange under the umbrella of MTN Group, Africa's leading mobile telephony company. MTN obtained a digital mobile license in Nigeria in 2001. The company currently provides service in 35 cities and... more

China Mobile Communications Corporation (China Mobile for short) was officially established on April 20th, 2000 and is directly under the central government. It is a key state-owned enterprise based on the mobile business that split from the former China Telecom as a result of the reform... more

KT Corporation is an integrated telecommunications services provider in Korea. Its services include telephone services, including local, domestic long-distance and international long-distance fixed-line telephone services and interconnection services to other telecommunications companies;... more

UUNET (K) LTD is a business communications solutions provider established in 2001. The company provides a host of telecommunication services including broadband access, VoIP, video conferencing, IP solutions among other corporate services.

Manitoba Telecom Services Inc. (MTS) a national communications provider in Canada. The Company has two operating segments: the Enterprise Solutions division and the Consumer Markets division. The Company operates under two principal brands: MTS and Allstream. The Enterprise Solutions... more

Headquartered in Madison, Wis., TDS Telecom, along with its subsidiaries TDS Metrocom and USLink, services 900,000 access line equivalents.

Broadwing Corporation (NASDAQ: BWNG) is the parent company of Broadwing Communications, LLC, an innovative telecommunications service provider, and Corvis Equipment Corporation, a developer of advanced optical networking equipment selling primarily to the U.S. Government.

Frontier provides local, long distance and data services to all customer segments, from residential to large businesses, including many corporate headquarters.

Hargray offers custom Web site design services for businesses large and small. We provide custom solutions for each and every client, from start-up packages to complex e-commerce store management. Whether you are new to the web arena or looking to update your web site, we will work to... more

Expedient is offering "Ethernet Anywhere" services in several cities, and the company plans to expand to another 30 markets over the next 18 months. "Hatteras Networks has been a tremendous partner for Expedient as we've expanded our Ethernet Anywhere network to now service businesses... more

XETA Technologies, Inc. is a provider of communications technologies with nationwide sales and service. It sells its products produced by a variety of manufacturers including Avaya, Inc. (Avaya), Nortel Networks Corporation (Nortel), Mitel Corporation (Mitel), and Spectralink Corporation.... more

Atlantech Online provides dependable, high-performance telephone and Internet services that are scalable, easily implemented and easily managed. We are committed to providing the highest quality products and services so that your business can enjoy a secure, uninterrupted, high quality... more

Hawaiian Telcom is working hard every day to serve the people and businesses of the islands. Our network investments support advanced products and services that keep Hawaii connected and competitive in the global economy. And we continue working to achieve the high standard of service... more

Telefónica Móviles España (www.empresa.movistar.com) is the operator of Telefónica Móviles Group in the Spanish market, where it has 18,7 million customers and offers a comprehensive portfolio of data services and applications using the latest mobile technologies, including UMTS.... more

CODETEL, a Verizon Company, is the leader in the Dominican Republic for providing a wide spectrum of telecommunications services for voice and data delivery services (Full Service Provider). The company invests upwards of $200 million annually to improve the country's telecommunications... more

Completel is a facilities-based provider of fibre optic local access telecommunications and Internet services to business end-users, carriers and ISPs with activities predominantly located in France. Completel is a member of the following index of Euronext: SBF 250, MIDCAC, IT CAC, IT CAC... more

Cordia is a global communications provider of traditional wireline and Voice over Internet Protocol (VOIP) technologies. Our passion is to provide unparalleled customer support. Our goal is to give our customers the services and ease of use they need, coupled with the savings and maximum... more

DataPro is a telecommunications company providing Internet, data and voice over IP and wireless services. We apply logic and intelligence to leverage off either our own, or any other available infrastructure to improve your business efficiencies whilst delivering quality service quickly,... more

Yes, NComm also sells the same hardware it uses for software development and test. This includes our Salem2, five slot, 860 development platform, and Telecom Interface Modules for all of the framer devices we support. Our hardware can be used to verify framer and software functionality,... more

Atria Networks LP provides superior, cost-effective broadband data services within our geographic markets. Schools, universities, municipalities and international companies all share the benefits of Atria's robust 1000-kilometre fibre-optic network. The word Atria is plural for atrium,... more

Northwestel provides complete telecommunications solutions for the 110,000 residents of the Northwest Territories, Nunavut, Yukon and northern British Columbia.

Mauritius Telecom is committed to bring the best of ICT services at competitive prices to its customers. It provides the full spectrum of services and solutions in fixed telephony, mobile, Internet and broadband sectors. Mauritius Telecom also offers convergent services through My.T, its... more

Ranked among the top ten US service providers of outbound traffic, GlobalNet provides international voice, data, fax and Internet services on a wholesale basis over a private IP network to international carriers and other communication service providers. Having established a strong... more

RichmondAir is a wireless broadband Internet service provider based in downtown Richmond, Virginia. We provide high-speed Internet service to customers via long distance point to point and point to multipoint links. In addition, we also provide advanced networking solutions, IT consulting... more

AFN Communications provides carrier-class broadband transport services when you need them and where you need them. Network solutions to expand your reach into underserved, as well as primary markets. AFN's services include private line (DS-3 to OC-48), optical wave (2.5 Gbps and 10 Gbps),... more