23. West Corporation
2017 Rank: 24
Top Executive: John Shlonsky, CEO
Location: Omaha, Neb.
Telecommunications and network infrastructure services provider West Corp. was acquired in October by private equity company Apollo Global Management in a deal valued at $5.1 billion. West Corp. is well-positioned to help businesses and organizations with their transformation to the cloud. The company has continued to make its own acquisitions, buying ECaTS in November and PhoneTree in January.
