Founded in 1991, InterCall is one of the largest companies in the world that provides conferencing services. The company works with a team of more than 1,500 employees. It serves clients in the legal, technology, medical, pharmaceutical and government industries. InterCall offers audio, video and Web conferencing services. The company provides solutions for call monitoring, equipment maintenance and videoconferencing applications. It works in partnerships with Microsoft Corporation, Intelisys Communications, Brainshark and Corvent. The company maintains several call centers, as well as nearly 25 sales offices throughout the United States and the United Kingdom, as well as Canada, Mexico, Latin America, Germany, Australia, New Zealand, China, India, Hong Kong, Singapore and Japan. It is a subsidiary of West Corporation.