Ringnet. 

RingNet Co., Ltd. engages in the implementation of information and communication technology (ICT) services and solutions in South Korea. The company offers Naver cloud platform services; cloud solutions covering Cisco, Citrix, NetApp, and VMware solutions; supplies networking devices comprising routers, switches, mobility/wireless products, Meraki and SDA/DNA assurance technology solutions, and SD-WAN and L4/L7 components; and data center solutions, such as cisco Application Centric Infrastructure, MDS Fabric Switch, Unified Computing System, HyperFlex, Network Assurance Engine, and Tetration Analytics solutions, as well as NetApp Unified Flash Storage and Converged Systems. It is also involved in the provision of IP telepony and unified communications, and on-premises video conferencing through Cisco TelePresence and Cisco Webex; desktop and server virtualization solutions; and secure firewall/secure IPS, email security through Cisco Email Security Appliance, visibility through Cisco Secure Network Analytics, SASE through Cisco Umbrella, Identity Services Engine, and MFA - Duo Security solutions. In addition, the company offers system integration services, such as establishment of integrated system through design and diagnosis of network and UC IT infrastructure; integration of server and storage for storing, protecting, and managing the data and application; and smart work services based on virtualization and cloud computing, information leakage prevention, logical/physical network separation, and green IT construction, as well as operates and maintains IT computing resources. Further, it provides and maintenance and optimizing solutions and services; Ringkit, a total solution, including Cisco Security, Meraki, and Webex solutions. The company was founded in 2000 and is headquartered in Seoul, South Korea.