What is masergy communications known for? Masergy Communications. Masergy Communications (/ˈmeɪsərdʒi/ MAY-sər-jee) is a software defined networking services company founded in 2000 and headquartered in Plano, Texas. Their offerings include Managed SD-WAN, Cloud Communications, Cloud Contact Center, and Managed Security.How do i contact masergy for support? Contact Masergy for 24/7 support at 1-877-462-7374 or call us with general inquiries at 1-866-588-5885, or email [email protected]. AllCase StudiesEvents & WebinarsPress ReleasesProduct SheetsSolution BriefsWhite PapersWhat does masergy do for a living? Masergy Communications, Inc. owns and operates a cloud networking platform. The Company offers real-time analytics, unified communications, cloud-based security, and software defined network control. Masergy Communications serves customers worldwide. NO. OF EMPLOYEESWhat is masergy owned by? Masergy's cloud services include global cloud communications, network and application management, and hosted remote access. Its security portfolio includes detection and response to cyber attacks, as well as disaster recovery. Masergy is owned by Berskshire Partners, a private equity firm.