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

Vonage is a pioneer in the broadband phone service industry. Vonage's award winning phone service is sold on the web and through national retailers. Vonage Holdings Corp. is headquartered in Holmdel, New Jersey.

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

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

Cingular Wireless is the largest wireless carrier in the United States, serving 58.7 million customers. Cingular, a joint venture between AT&T Inc. (NYSE: T) and BellSouth Corporation (NYSE: BLS), has the largest digital voice and data network in the nation - the ALLOVERâ„¢ network - and... 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

Verizon Wireless operates the nation's most reliable wireless voice and data network, serving 68.7 million customers. Headquartered in Basking Ridge, N.J., with 70,000 employees nationwide, Verizon Wireless is a joint venture of Verizon Communications (NYSE: VZ) and Vodafone (NYSE and... more

XO Communications is a broadband telecommunications services provider offering a complete portfolio of telecommunications services, including: local and long distance voice, Internet access, Virtual Private Networking (VPN), Ethernet, Wavelength, Web Hosting and integrated voice and data... more

Vonage Holdings Corp. (Vonage) is a provider of broadband Voice over Internet Protocol (VoIP) services to residential and small business and home office customers. The Company services the United States, Canada and United Kingdom. Vonage's customers can make and receive calls using a... more

TELUS Corporation is a national telecommunications company in Canada, offering a range of wireline and wireless communications products and services including data, voice and entertainment. During the year ended December 31, 2007, TELUS had 11.1 million customer connections, including 5.6... 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

Alltel is owner and operator of the nation's largest wireless network and has more than 12 million customers.

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

TracFone's nationwide prepaid wireless service has no contracts, credit checks, monthly bills, activation or reactivation fees, deposits or minimum age requirements. Its prepaid wireless service incorporates a customer-friendly, cost-control feature that displays the exact remaining... more

Speakeasy, the nation's largest independent broadband services company is focused on meeting the needs of discerning businesses, professionals and those who depend on the Internet for higher productivity in life. Speakeasy manages its own private fiber-optic national network, ensuring... more

BCE is Canada's largest communications company, providing the most comprehensive and innovative suite of communication services to residential and business customers in Canada. Under the Bell brand, the Company's services include local, long distance and wireless phone services,... more

Verizon Business, a unit of Verizon Communications (NYSE: VZ), operates the world's most connected public IP network and uses its industry-leading global-network capabilities to offer large-business and government customers an unmatched combination of security, reliability and speed. The... 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

Primus Telecommunications Group, Incorporated (Primus) is an integrated telecommunications services provider offering a portfolio of international and domestic voice, wireless, Internet, voice-over Internet protocol (VoIP), data and hosting services to business and residential retail... more

Golden Telecom, Inc., (NASDAQ: "GLDN") is a leading facilities-based provider of integrated telecommunications and Internet services in major population centers throughout Russia and other countries of the CIS. The Company offers voice, data and Internet services to corporations,... more

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

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

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

Cognigen Networks, Inc. based in metropolitan Seattle, Washington, offers a wide range of telecommunication services and related technology products via its Web site, http://www.cognigen.com. Cognigen's robust marketing engine harnesses distribution channels featuring a prominent Internet... more

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

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

Telefonica S.A. (Telefonica) is a diversified telecommunications company, which provides a range of services through telecommunications networks. The Company is focused on providing fixed and mobile telephony services. Telefonica is present principally in Spain, Europe and Latin America.... 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.

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

Net2Phone provides VoIP PacketCable, SIP and wireless solutions around the world. As a leader in turn-key hosted VoIP telephony services, Net2Phone has routed billions of VoIP minutes globally, servicing more than 100,000 users in the US as well as hundreds of thousands of more overseas.... more

IDT Corporation is a multinational holding company with subsidiaries spanning several industries. The Company’s principal businesses consist of IDT Telecom; IDT Energy; IDT Carmel; IDT Local Media, and IDW Publishing. The Company conducts its business through five business segments:... more

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

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

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

McLeodUSA provides managed IP-based communications services to small and medium-sized enterprises, and traditional circuit-switched telephony services to commercial customers in the Midwest, Rocky Mountain, Southwest and Northwest regions of the nation. McLeodUSA delivers a wide variety... more

ITC^DeltaCom, Inc., 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 approximately 15,800... more

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

D&E Communications, Inc. (D&E) is a provider of integrated communications services to residential and business customers in markets throughout the eastern half of Pennsylvania. The Company operates as a rural local exchange carrier (RLEC) in parts of Lancaster, Berks, Lebanon, Chester,... more

MCI, Inc. (NASDAQ: MCIP) 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... more

China Telecom Corporation Limited (China Telecom) is a provider of wireline telecommunications services in Shanghai municipality, Guangdong province, Jiangsu province, Zhejiang province, Anhui province, Fujian province, Jiangxi province, Guangxi Zhuang autonomous region, Chongqing... more

KDDI CORPORATION is a Japan-based telecommunications company. The Company operates in three business segments. The Fixed Telecommunication segment is engaged in the provision of domestic and international telecommunication services, Internet services and solution services. The Mobile... more

Headquartered in Vienna, Virginia, SunRocket, the "no gotcha" phone company, is bringing Internet phone service to mainstream America with the nation's first full-year, flat-rate home phone package. SunRocket is the only company to offer complete Internet phone service at an... more