The 2010 Inc. 5000: Top 10 Companies by Revenue

West Corporation
Courtesy Company
10 of 10

West Corporation


No. 4,173
2009 Revenue: $2.4 billion
Three-Year Growth: 28.0%

Although West Corporation was founded in 1986 as an inbound telemarketing service, today the company provides an impressive array of customer relationship management outsourcing services and voice communication products. The company's 40,000-strong workforce is spread across North America, Europe, the Middle East, Asia, and Latin America.