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Comcast Corporation is the largest cable operator and the largest home internet service provider in the United States, with 23.5 million cable customers, 16.3 million high-speed Internet customers and 7.9 million Comcast Digital Voice customers. Comcast is principally involved in the development, management and operation of cable networks and in the delivery of programming content.
Press release, IETF

Orange is the key brand of France Telecom, one of the world’s leading telecommunications operators. With 131.8 million customers, the Orange brand now covers internet, television and mobile services in the majority of countries where the Group operates. At the end of 2009, France Telecom had consolidated sales of 50.9 billion euros and a customer base of almost 193 million customers in 32 countries. Orange is the number three mobile operator and the number two provider of broadband internet services in Europe and, under the brand Orange Business Services, is one of the world leaders in providing telecommunication services to multinational companies.