Networking

Cisco

San Jose, California, USA

Cisco is a US networking and security company founded in 1984 and headquartered in San Jose, California. It sells enterprise, data centre and service provider networking (Catalyst, Nexus, Meraki, Silicon One), security products including firewalls and Cisco Security Cloud, Splunk observability and security analytics, and Webex collaboration. It completed its acquisition of Splunk in 2024.

HPE

Spring (Houston), Texas, USA

HPE, the primary brand of Hewlett Packard Enterprise since June 2025, is a US enterprise technology company that sells servers, storage, networking and hybrid cloud services, including the HPE GreenLake cloud platform. Formed in 2015 when Hewlett-Packard split in two, HPE focuses on edge-to-cloud infrastructure and AI, and it expanded its networking business by acquiring Juniper Networks in July 2025.

Arista Networks

Santa Clara, California, USA

Arista Networks is a US networking company founded in 2004 and headquartered in Santa Clara, California. It sells high-speed Ethernet switches and routers running its EOS operating system, CloudVision management software, campus and Wi-Fi products, and network observability and security tools, serving cloud providers, AI data centres, enterprises and service providers.

Nokia

Espoo, Uusimaa, Finland

Nokia is a Finnish telecommunications equipment and technology company that supplies mobile, IP, optical and fixed network infrastructure to communications service providers and enterprises. Its portfolio includes 5G radio and core networks, IP routers, data centre networking, optical transport and private wireless, plus a patent licensing business. Founded in 1865 and headquartered in Espoo, Nokia acquired Infinera in 2025.

Ericsson

Stockholm, Sweden

Ericsson is a Swedish telecommunications equipment and services company founded in 1876 by Lars Magnus Ericsson and headquartered in Stockholm. It supplies mobile network infrastructure, including 5G radio access networks, core networks and transport, along with network management software and services to communications service providers and enterprises. Ericsson also owns Vonage. It is listed on Nasdaq Stockholm and Nasdaq New York (ERIC).

Huawei

Shenzhen, Guangdong, China

Huawei is a Chinese technology company that makes telecommunications and enterprise networking equipment, consumer devices, cloud services, data storage and AI processors. Its portfolio includes 5G and optical network infrastructure, CloudEngine switches, OceanStor storage, Huawei Cloud and Ascend AI chips. Founded in 1987 by Ren Zhengfei and headquartered in Shenzhen, Huawei is privately held and employee-owned through a trade union structure.

Extreme Networks

Morrisville, North Carolina, USA

Extreme Networks is an American networking company founded in 1996 and headquartered in Morrisville, North Carolina. It provides enterprise wired and wireless networking, including switches, Wi-Fi access points, SD-WAN and network access control, managed through its ExtremeCloud IQ cloud platform and Extreme Platform ONE, which adds AI-driven networking and security operations. Extreme Networks is listed on Nasdaq (EXTR).

Ciena is a US networking systems and software company founded in 1992 and headquartered in Hanover, Maryland. It sells optical networking equipment including WaveLogic coherent optics and packet-optical platforms, routing and switching, and Blue Planet automation software to telecommunications service providers, cloud and data centre operators, governments and enterprises. It is listed on the New York Stock Exchange.

F5

Seattle, Washington, USA

F5 is an American application delivery and security company founded in 1996 and headquartered in Seattle, Washington. It provides load balancing, web application and API protection, bot defence and multicloud networking through BIG-IP, NGINX and F5 Distributed Cloud Services, unified in its Application Delivery and Security Platform. Formerly F5 Networks, the company renamed itself F5, Inc. in 2021 and is listed on Nasdaq (FFIV).

Fortinet

Sunnyvale, California, USA

Fortinet is a US cybersecurity company known for its FortiGate next-generation firewalls, built on its FortiOS operating system and custom security processors. Its Fortinet Security Fabric spans secure networking, SD-WAN, SASE, switching, wireless, endpoint and security operations. Founded in 2000 by Ken Xie and Michael Xie and headquartered in Sunnyvale, California, Fortinet is listed on Nasdaq.

Cloudflare

San Francisco, California, USA

Cloudflare is a US connectivity cloud company founded in 2009 and headquartered in San Francisco. It operates a global network providing CDN, DNS, DDoS protection, web application firewall, Zero Trust access and SASE services, and a developer platform including Workers serverless compute, R2 storage and Workers AI. Cloudflare has been listed on the New York Stock Exchange since 2019.

Akamai

Cambridge, Massachusetts, USA

Akamai Technologies is a US content delivery, cybersecurity and cloud computing company founded in 1998 and headquartered in Cambridge, Massachusetts. It operates one of the largest distributed edge networks, selling CDN and media delivery, web application and API protection, DDoS mitigation and Zero Trust security, and Akamai Cloud compute built on its 2022 acquisition of Linode.

Cato Networks is an Israeli networking and security company founded in 2015 by Shlomo Kramer and Gur Shatz and headquartered in Tel Aviv. It sells the Cato SASE Cloud platform, which converges SD-WAN, a global private backbone, secure web gateway, firewall-as-a-service, CASB, ZTNA and data loss prevention into a single cloud-delivered service for enterprises.

Ubiquiti

New York City, New York, USA

Ubiquiti is a US networking technology company founded in 2003 by Robert Pera and headquartered in New York City. It designs networking hardware and software under the UniFi brand for businesses and homes, covering Wi-Fi access points, switches, gateways, cameras and access control, and UISP products for internet service providers. Ubiquiti is listed on the New York Stock Exchange.

Infoblox

Santa Clara, California, USA

Infoblox is a US networking and security company specialising in DDI, the combination of DNS, DHCP and IP address management, and DNS-based security. Its products include NIOS appliances, Universal DDI for hybrid and multicloud networks, and Threat Defense for protective DNS. Founded in 1999 and headquartered in Santa Clara, California, Infoblox is privately held.

Aviatrix

Santa Clara, California, USA

Aviatrix is a US cloud networking and network security company founded in 2014. Its platform provides multicloud networking, cloud firewalling and egress security, and network visibility across AWS, Microsoft Azure, Google Cloud and Oracle Cloud, using a common control plane and gateways deployed in customers' cloud accounts. It serves enterprises operating complex cloud estates.

Megaport

Brisbane, Queensland, Australia

Megaport is a Network as a Service (NaaS) provider that offers on-demand, software-defined connectivity between data centres, public clouds and enterprise locations. Its portfolio includes Ports, Virtual Cross Connects, Megaport Cloud Router, Megaport Virtual Edge and Megaport Internet, with direct links to AWS, Microsoft Azure, Google Cloud and Oracle. Founded in 2013 by Bevan Slattery, Megaport is listed on the ASX and headquartered in Brisbane.

NVIDIA

Santa Clara, California, USA

NVIDIA is a semiconductor and computing platform company that designs GPUs, CPUs, networking and software for AI, data centres, gaming, professional visualisation and automotive. Its data centre portfolio includes Hopper and Blackwell GPUs, Grace CPUs, DGX systems, InfiniBand and Spectrum-X Ethernet networking, and the CUDA and NVIDIA AI Enterprise software stacks. Founded in 1993, NVIDIA is headquartered in Santa Clara, California, and listed on Nasdaq.

Broadcom

Palo Alto, California, USA

Broadcom is a US semiconductor and infrastructure software company headquartered in Palo Alto, California, formed when Avago Technologies acquired Broadcom Corporation in 2016. It sells networking, broadband, storage and custom AI accelerator chips, and infrastructure software including VMware Cloud Foundation, Tanzu and CA and Symantec enterprise products. It completed its acquisition of VMware in 2023.

Versa Networks

San Jose, California, USA

Versa Networks is a US networking and security company founded in 2012 and headquartered in San Jose, California. It sells VersaONE, a universal SASE platform that combines SD-WAN, secure service edge (SSE), zero trust network access and next-generation firewall capabilities on a single operating system. Versa sells to enterprises and to service providers that deliver managed SD-WAN and SASE services.