Big Switch Networks is the market leader in bringing hyperscale-inspired data center networking technologies to a broader audience. The company is taking three key hyperscale technologies -- OEM/ODM bare metal and open Ethernet switch hardware, sophisticated SDN control software, and core-and-pod data center designs -- and leveraging them in fit-for-purpose products designed for use in enterprises, cloud providers, and service providers.
http://www.bigswitch.com

Cumulus Networks helps customers realize cost-effective, high capacity networking for modern data centers. Linux transformed the economics and innovation for data center compute, and Cumulus Linux is doing the same for the network. It radically reduces the costs and complexities of operating modern data center networks for businesses of all sizes. Cumulus Networks has received venture funding from Andreessen Horowitz, Battery Ventures, Sequoia Capital, Peter Wagner and four of the original VMware founders.

http://www.cumulusnetworks.com/

IP Infusion, the leader in disaggregated networking solutions, delivers enterprise and carrier-grade software solutions to unlock your network’s true potential. IP Infusion offers network operating systems for both physical and virtual networks to carriers, service providers and enterprises to achieve the disaggregated networking model. With the OcNOS™ and VirNOS™ network operating systems, IP Infusion offers a single, unified physical and virtual software solution to deploy new services quickly at reduced cost and with greater flexibility. Over 300 customers worldwide, including major networking equipment manufacturers, use IP Infusion’s respected ZebOS platform to build networks to address the evolving needs of cloud, carrier and mobile networking.

http://www.ipinfusion.com
 

Ixia, a Keysight Business, is a leader in network visibility solutions and delivers cost-effective visibility tailored for the software defined data center (SDDC). Ixia's hallmark Vision Edge OS, a network visibility operating system, the software provided on its Vision portfolio of network packet brokers, is now available as a standalone product. Vision Edge OS can now be used with Edgecore open switches, separating software and hardware, to enable visibility in disaggregated networks. Vision Edge OS expands Ixia’s end-to-end visibility portfolio which includes everything from Taps, bypasses and NPBs to cloud solutions. With Vision Edge OS and Edgecore devices, cloud service providers, service providers and enterprises have the flexibility to secure and monitor their micro-scale to hyperscale networks.

https://www.ixiacom.com
https://www.ixiacom.com/products/vision-edge-os
 

"Pica8 is the leading provider of network operating system (NOS) software for white box switches. Customers today are looking for “made-to-order” networks that fit their applications – networks with the right amount of performance, manageability, and security. Pica8 has met this need with PicOS™, the first NOS that enables customers to engineer application traffic with a combination of Layer-2, Layer-3, and software-defined networking (SDN) policies with OpenFlow."

http://www.pica8.com

Pluribus Networks provides data center solutions that allow enterprise businesses to run unconstrained. Our software-defined, open networking, fabric-based solutions transform existing network infrastructures into flexible and strategic assets fully aligned with today’s digital business needs. Our Virtualization-Centric Fabric (VCF™) architecture provides unprecedented insight, agility and security to customers seeking to simplify operations, run more cost effectively and bring new applications online faster.

http://www.pluribusnetworks.com/

Founded by engineers who created and reliably operated some of the largest data center networks on the planet by adopting open networking and automation principles, SnapRoute is dedicated to bringing simplicity, reliability, and white box economics to data center networks everywhere.  SnapRoute's FlexSwitch software runs on industry standard white box switches, providing all management and networking functionality through an innovative architecture that simplifies the networking stack and dramatically reduces the code bloat typical of incumbent products.  SnapRoute makes it easy to automate network provisioning while giving unprecedented visibility into how the network is running.  SnapRoute is backed by Norwest Venture Partners, Lightspeed Venture Partners, AT&T, and Microsoft. 
For more information visit www.snaproute.com.  Follow SnapRoute on Twitter:  @snaproute

XCloud Networks is a vendor of Intent-Based lifecycle management platform for Open Networking. It helps customers to build and manage the whole network based purely on open networking hardware and software. It empowers companies to spend less money and less time ultimately letting them grow into hyper-scale effortlessly. It is a perfect solution for companies which run online businesses and need to expand their on-premise network infrastructures. It brings easy to maintain cloud-style principles into on-premise with flexible functionality and scalability by leveraging open networking technologies.

https://www.xcloudnetworks.com/​