ALLTEL Corporation
   Offer local telephone, wireless, long distance, Internet and paging service.
   http://www.alltel.com/

AT&T
   Provides long-distance, international and wireless services as well as internet access.
   http://www.att.com/

AT&T Canada, Inc.
   Provides voice, data, and Internet telecommunications. (Nasdaq: ATTC)
   http://www.att.com/canada/

ATX Communications
   Pennsylvania facilities-based provider offering voice, data, and wireless solutions. News, solutions, and careers included.
   http://atx.com/

Aliant Inc.
   Provides local and long distance telephone, wireless, and Internet services in Canada's four Atlantic provinces.
   http://www.aliant.ca/

Bell Canada
   Information on products and services, promotional events, regulatory issues and leading-edge innovations.
   http://www.bell.ca/

Bell Telecommunication Philippines, Inc.
   Digital broadband network access provider using wireless access for last mile connectivity and fiber optic cables in the Central Business District for domestic, multinational and entrepreneurial companies operating in the Philippines.
   http://www.belltel.ph/

BellSouth
   Local Exchange Carrier (LEC) with local to global offerings in voice, data and Internet.
   http://www.bellsouth.com/

British Telecommunication plc
   National telecommunications provider. Details on products and services, plus user area.
   http://www.bt.com/

Cable and Wireless
   Global supplier of internet, data and voice solutions to business customers. Products, services, awards, and network details provided.
   http://www.cw.com/

CompleTel
   Providing services in France, Germany and in the UK.
   http://www.completel.com/

Covista Communications
   Facilities-based network, owns many brands, including Capsule Communications.
   http://www.covista.com/

Detecon Al Saudia Co. Ltd.
   Deutsche Telekom Group investment in Saudi telecommunications. VSAT Service Provider.
   http://vsat.detasad.com.sa/

Deutsche Telekom
   German telecommunications conglomerate that owns or operates services across Europe under the T-Mobile brand.
   http://www.telekom.de/

FairPoint Carrier Services
   Provides services for vendors in the industry.
   http://www.fpcarrierservices.com/

France Telecom
   French voice, data, and Internet company. In English and French.
   http://www.francetelecom.com/

Interoute
   European carrier with offices in various countries.
   http://www.interoute.com/

Isis Telecommunications Management Ltd
   Independent provider of mobile and fixed services to UK businesses.
   http://www.isistelecom.com/

Jazztel p.l.c.
   Holding company with subsidiary which provides telecommunications and data services. (Nasdaq: JAZZ).
   http://www.jazztel.com/

MCI
   Global business and residential communications company operating in more than 65 countries.
   http://www.mci.com/

Qwest Communications
   Local Exchange Carrier (LEC), large wholesale and retail provider of voice and data services.
   http://www.qwest.com/

Shields Environmental
   Environmentally conscious equipment resource for telecom carriers. Offices in Europe, North America, and Asia. ISO 14001/EMAS.
   http://www.shields-e.com/

Sprint
   Global provider of voice, data and Internet services.
   http://www.sprint.com/

Telecom New Zealand International
   Global provider of voice, data and IP solutions based in New Zealand.
   http://www.tnzi.com

Telefonica
   Spanish multi-national company operating throughout the Spanish and Portuguese-speaking world.
   http://www.telefonica.com/

Telenor International
   Norway based communications, IT and media company.
   http://www.telenor.com/

Telstra Australia
   Mobile phone, internet, and wired telephone service provider to Australia, covering 94% of the population.
   http://www.telstra.com/

Telus
   Canadian operator principally in British Columbia and Alberta.
   http://www.telus.com

Verizon Corporation
   Local Exchange Carrier (LEC). Offers long distance, data, and Internet services as well.
   http://www.verizon.com/

Voice.Sky Communications
   Provides various VoIP services for carriers and resellers.
   http://www.voicesky.com/

West Bengal Telecom
   Serves the Indian states of West Bengal (excluding the area served by Calcutta Telephones) and Sikkim.
   http://www.wb.bsnl.co.in/