90. Masergy Communications
2016 Rank: N/R
Top Executive: Chris MacFarland, CEO
Location: Plano, Texas
Masergy Communications offers software-defined solutions for three key areas – hybrid networking, such as network function virtualization and managed SD-WAN; managed security, like unified enterprise security; and cloud communications services. The Plano, Tex.-based company said it owns and operates the largest independent Software Defined Platform in the world.