Best Enterprise Networking Companies in San Jose, United States
The 43 best Enterprise Networking companies in San Jose, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Force10 Networks.
Ranked: Best Enterprise Networking companies in San Jose
| # | Company | Disclosed funding | Last round | Employees | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|
| 1 | Force10 Networks Dell India: Computers, monitors, and technology solutions provider | $510M | 202 mo ago | 46,513 | — | 154 patents High‑performance Ethernet switching and data‑center packet routing hardware | — |
| 2 | Extreme Networks Cloud based network security solutions provider | $230M | 99 mo ago | 1,172 | Ed Meyercord President & CEO | 708 patents AI-driven network automation, security orchestration, and zero-trust edge computing solutions | — |
| 3 | Alkira Provider of cloud networking solution and network wide unification | $192M | 27 mo ago | 75 75 → 187 (+149%) | Amir K President & CEO / Founder | 38 patents Multi-tenant cloud networking: virtual VPNs, routing, microsegmentation, and resource allocation | — |
| 4 | Arrcus Developer of network operating system and related software solutions | $160M | 25 mo ago | 155 | Derek Yeung Co-Founder | 272 patents Secure mobile user plane routing and virtualization using segment routing and controller architectures | 3 partnerships |
| 5 | Zscaler Provider of cloud-based security solutions for enterprise zero trust architecture | $148M | 74 mo ago | 5,962 5,962 → 8,984 (+51%) | Jay Chaudhry CEO | 845 patents Zero‑trust cloud security, network traffic inspection, and ML‑driven threat detection | 1 internship · 1 partnership · 1 award |
| 6 | Pluribus Networks Cloud & software-defined networks OS for data centers | $145M | 58 mo ago | 133 | C Yang Co-Founder | 43 patents Distributed network operating system and fabric switching with unified MAC address management | — |
| 7 | Viptela Providing Secure Extensible Networks | $108M | 123 mo ago | 124 | — | 25 patents Patents concentrated in electrical & electronics | — |
| 8 | NETGEAR Provider of networking hardware and solutions for home and business use | $98M | 276 mo ago | 327 | Charles Prober Chief Executive Officer | 576 patents Wireless mesh networking, Wi‑Fi 6E/LTE small cells, and client steering technologies | — |
| 9 | Graphiant Provider of software-based connectivity solutions for data management and network infrastructure 37Moat top 37%Talent top 38%Funding top 41%Patents top 45% All 9 signals ▾Moattop 37% Talenttop 38% Fundingtop 41% Patentstop 45% Innovationtop 47% Techbottom 46% Globalbottom 39% Marketbottom 36% Newsbottom 18% Moat: Editorial + unicorn rating 7/10 · IP moat: 8 patents Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 37/100 | $96M | 15 mo ago | 99 | Stefan Olofsson Founder & CTO | 8 patents Advanced packet processing, traffic shaping, and secure network communication technologies | — |
| 10 | Tasman Networks Routers and internet access solutions | $93M | 267 mo ago | — | Paul Smith ex - CEO & President | — | — |
| 11 | Kaazing Real-time application solutions provider, specializing in high-performance streaming and messaging | $48M | 118 mo ago | 47 | — | 23 patents Scalable websocket emulation and connection management for enterprise web applications | — |
| 12 | Talari Cloud solutions for communications, networks, applications, and digital business experiences | $45M | 109 mo ago | 69 | — | — | — |
| 13 | WiChorus Network management solutions provider for 4G infrastructure | $42M | 213 mo ago | 50 | — | 51 patents Mobile network resource allocation, NAT, load balancing, and signaling management | — |
| 14 | Edgewater Networks IP based network devices and orchestration solutions provider | $31M | 135 mo ago | 79 | — | 34 patents Redundant IP network health monitoring, VoIP codec selection, and application-aware edge routing | — |
| 15 | Elastics.cloud Developer of hardware and software designed to optimize system performance | $26M | 52 mo ago | 15 | — | 7 patents CXL-enabled composable data‑center infrastructure with cached switch SoC and Ethernet integration | — |
| 16 | Airespace Enterprise networking equipment provider | $22M | 265 mo ago | — | Bob O'Hara Co-Founder | 53 patents Wi‑Fi indoor positioning and macro‑mobility management using signal strength and antenna diversity | — |
| 17 | Xpliant Provider of Ethernet Silicon Switches for SDN (software-defined networking) | $19M | 151 mo ago | — | — | 114 patents Hardware design automation for high‑speed networking ASICs and packet processing pipelines | — |
| 18 | Swan Labs Network optimization and app acceleration | $15M | 263 mo ago | — | Dan Kolkowitz Co-Founder | — | — |
| 19 | Lumina Networks Open-source SDN controller and other networking products | $14M | 83 mo ago | 75 | — | — | — |
| 20 | AppFormix Provider of AI-Native networking platforms, routing, switching, and security solutions | $7M | 134 mo ago | 11 | — | 21 patents Real-time cloud/network QoS policy enforcement and traffic shaping for virtualized data centers | — |
| 21 | Cisco Provider of AI infrastructure, secure networking, and software solutions | $2M | 59 mo ago | 26,000 | Chuck Robbins CEO | 23 patents Patents concentrated in computing, sensing & instrumentation | — |
| 22 | Ionos Networks Provider of enterprise network management solutions | $1M | 128 mo ago | 5 | Vishwas Manral Founder & CTO | — | — |
Top 12 Enterprise Networking companies in San Jose
#1
Series B · San Jose, California · founded 2020 · 99 employees$96Mraised▾
Provider of software-based connectivity solutions for data management and network infrastructure. The company delivers network solutions for cloud, SaaS, B2B, branch networking, and AI. It offers tools for data assurance, security, and compliance management. The company’s solutions aim to simplify network infrastructure, ensuring speed and agility for data capitalization.
- May 2025Series B$19M
- Mar 2023Series B$62M
- Dec 2020Series A$33.5M
#2
Series D · San Jose, California · founded 2016 · 155 employees$160.4Mraised▾
Developer of network operating system and related software solutions. The company provides a Linux-based network operating system that powers network infrastructure. It offers a network visibility and analytics platform providing real-time views of networks. The company also provides a route reflector based on its operating system, designed for building scalable BGP networks.
- Jul 2024Series D$30M
- Jul 2023Series D$15M
- Feb 2023Series D$50M
- May 2021Series C$20.4M
#3
Acquired · San Jose, California · founded 2018 · 75 employees$192Mraised▾
Provider of cloud networking solution and network wide unification. The platform allows users to connect various networks, sites, and clouds, while also providing network solutions and resiliency. The businesses can streamline the multi cloud network provisioning process and gain visibility across the network infrastructure.
- May 2024Series C$100M
- Aug 2022Series B—
- Oct 2020Series B$54M
- Apr 2020Series A$30M
#4
Acquired · San Jose, California · founded 2010 · 133 employees$145Mraised▾
Pluribus Networks provides performance-oriented network virtualization for private and public cloud data centers. Its two main products are Netvisor OS and Freedom Server-Switches. Netvisor functions as a distributed network operating system with hypervisor bare-metal virtualization capabilities of computing resources - CPU, memory, and storage & merchant silicon switch chip. The Freedom Server-Switch includes a Solaris-based server for hosting and executing network service applications, combined with a 10/40G Ethernet merchant silicon switch and network processor.
- Oct 2021Series D$20M
- Jan 2015Series D$52M
- Mar 2013Series C—
- Dec 2012Series C$23M
#5
Acqui-Hired · San Jose, California · founded 1999 · 46513 employees$510.4Mraised▾
Dell India: Computers, monitors, and technology solutions provider, offering a wide array of IT infrastructure, computers, and accessories. The company provides servers, data storage, cyber resilience, and networking solutions for businesses. It caters to diverse industries with tailored solutions for cloud, data management, edge computing, and security. The company offers laptops, desktops, monitors, and PC accessories, including docking stations, audio equipment, and storage devices. Services include professional, lifecycle, and support services, ensuring comprehensive assistance. The company emphasizes innovation with Artificial Intelligence solutions and provides a platform for developers and DevOps. It offers deals, member discounts, and resources like a support library and community forum. The website features account login, cart functionality, and options for subscriptions and premier business partnerships. The company focuses on sustainability and corporate impact, offering recycling services and promoting responsible practices.
- Sep 2009Series E$167.8K
- Aug 2009Series E$30M
- 2007Series E$134.9M
- Oct 2005Series D$46.1M
#6
Public · San Jose, California · founded 2007 · 5962 employees$148Mraised▾
Provider of cloud-based security solutions for enterprise zero trust architecture. It offers a platform designed to secure user, workload, and device communication across various environments. The platform focuses on stopping cyberattacks, preventing data loss, and enabling secure AI adoption. It provides tools for cyberthreat protection, data security, and digital experience optimization.
- Jun 2020Post IPO$1B
- Sep 2015Series B$110M
- Aug 2012Series A$38M
#7
Public · San Jose, California · founded 1996 · 1172 employees$230Mraised▾
Cloud based network security solutions provider. The product offers switching, control, and analytics related to networking. The features of the products include extreme SIEM, network access control, and appliance based network intrusion prevention systems. It has recently released its SDN SDK kit for companies developers and customers to launch applications on the SDN platform.
- May 2018Conventional Debt$230M
#8
Seed · San Jose, California · founded 2020 · 15 employees$26Mraised▾
Developer of hardware and software designed to optimize system performance. The company focuses on enabling composable architectures to address heterogeneous workload environments. It provides solutions for improved component utilization and overall system performance. The company addresses scalability and total cost of ownership in data centers.
- Apr 2022Seed$17M
#9
Acquired · San Jose, California · founded 1997$93Mraised▾
Tasman Networks (known as Tiara Networks till 2002) is a provider of enterprise-grade mid-range and branch-office routing systems for enterprises. It enables enterprises to use multi-megabit Internet access through its WAN internet protocol routers, converged service routers and Internet access solutions.
- May 2004Series G$14.4M
- Jul 2002Series F$15M
- May 2001Series E$22.5M
- Oct 1999Series D$21M
#10
Acquired · San Jose, California · founded 2012 · 124 employees$108.5Mraised▾
Viptela's provides a Secure Extensible Network (SEN) which is made up of products. vEdge routers: They sit at the perimeter of a site (such as remote offices, branches, campuses, data centers) and provide secure data connectivity over any transport. vSmart SDN Controller: This is the brain of the Viptela solution and centrally manages routing, policy, security, segmentation, and authentication of new devices that join the overlay network. Manage the Network Management System (NMS): This enables centralized configuration and management of the Viptela SEN solution and provides a real-time dashboard on the health of the network. Viptela has focused much on its launch of the security implications of today’s WAN architectures.
- May 2016Series C$75M
- Mar 2014Series B$33.5M
#11
Acqui-Hired · San Jose, California · founded 2004 · 69 employees$45.3Mraised▾
Cloud solutions for communications, networks, applications, and digital business experiences. It offers a comprehensive suite of cloud-native applications and secure network infrastructure solutions. The company focuses on enabling businesses to evolve their networks, grow revenue, and create new digital experiences. Its offerings include 5G core network solutions, network analytics, converged charging systems, and automation tools. It provides consulting services to help deploy solutions quickly and efficiently. The company supports cloud-scale monetization, service orchestration, and unified operations. It also offers enterprise performance management, human capital management, and enterprise communications platforms. The company's solutions cater to industries seeking to leverage network insights and manage cloud-based services, with a focus on digital business experience, ERP, supply chain management, and retail operations. The company's offerings are cloud-based and support subscription models.
- Jul 2017Series E$1000K
- Nov 2013Conventional Debt$7.5M
- Nov 2013Series D$15M
- Oct 2012Series B$9.5M
#12
Public · San Jose, California · founded 1996 · 327 employees$98Mraised▾
Provider of networking hardware and solutions for home and business use. The company delivers wired and wireless networking equipment. These products support enterprise, audio/visual, and home applications. Offerings include network switches, routers, and wireless mesh systems. The company also provides related software and support services.
- Aug 2003Post IPO$98M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Enterprise Networking coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
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