Best Cloud Infrastructure Companies in San Jose, United States
The 41 best Cloud Infrastructure companies in San Jose, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Lacework.
Our analysis of 50 Cloud Infrastructure companies
$46.5b in tracked funding; 100% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Cloud Infrastructure companies in San Jose
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Lacework 🦄 AI powered cloud security posture management solution | $1.9B | 54 mo ago | 1,174 | Mike Speiser Co-Founder | — | 134 patents Cloud workload security and compliance via data lake, threat intel, ML alerts | — |
| 2 | Nutanix AI powered cloud management software for enterprises | $317M | 72 mo ago | 8,416 8,416 → 9,925 (+18%) | Rajiv Ramaswami President and CEO | Apple iCloud MailAlgoliaSalesforce+28 | 1,382 patents Patents concentrated in computing, sensing & instrumentation | 1 launch |
| 3 | Exaforce Provider of an agentic security operations platform with AI capabilities 64Funding top 15%Growth top 35%Talent top 38%Moat top 40% All 8 signals ▾Fundingtop 15% Growthtop 35% Talenttop 38% Moattop 40% AItop 45% Techbottom 48% Globalbottom 45% Marketbottom 40% Funding: Raised $263M across 4 rounds · 4 rounds over 3 yrs (1.3/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 64/100 | $263M | 3 mo ago | — | Jakub Pavlik Co-Founder & Head Of Engineering | WebflowApple iCloud MailGoogle Workspace+20 | — | — |
| 4 | Alkira Provider of cloud networking solution and network wide unification | $192M | 27 mo ago | 75 75 → 187 (+149%) | Amir K President & CEO / Founder | WordPressMySQLPHP+30 | 38 patents Multi-tenant cloud networking: virtual VPNs, routing, microsegmentation, and resource allocation | — |
| 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 | Apple iCloud MailGoogle WorkspaceNode.js+35 | 845 patents Zero‑trust cloud security, network traffic inspection, and ML‑driven threat detection | 1 internship · 1 partnership · 1 award |
| 6 | Virtana AI based infrastructure management solution | $120M | 55 mo ago | 108 108 → 165 (+53%) | — | WordPressMySQLPHP+46 | — | — |
| 7 | Forescout 🦄 Provider of cybersecurity solutions for continuous threat exposure management and mitigation | $120M | 50 mo ago | 1,000 | Oded Comay Co-Founder & Chief Innovation Officer | WordPressSentryApple iCloud Mail+20 | 35 patents Network device visibility, classification, and policy-based segmentation for enterprise security | 1 launch · 1 partnership |
| 8 | Platform9 Provider of container development and management platform | $100M | 50 mo ago | 64 | Sirish Raghuram Co-Founder | WordPress Block EditorWordPressApple iCloud Mail+42 | 4 patents Patents concentrated in computing, sensing & instrumentation | 1 partnership · 1 award |
| 9 | Balbix Provider of AI-powered platform for cyber risk and exposure management | $100M | 54 mo ago | 51 51 → 41 (-20%) | Gaurav Banga Founder & CEO | WordPressMySQLPHP+24 | 6 patents Enterprise network security risk modeling and probabilistic device classification | — |
| 10 | GMI Cloud Provider of GPU cloud solutions for scalable AI and inference 57AI top 30%Tech top 33%Funding top 36%Growth top 40% All 11 signals ▾AItop 30% Techtop 33% Fundingtop 36% Growthtop 40% Newstop 46% Producttop 46% Innovationtop 48% Moattop 48% Talentbottom 49% Globalbottom 38% Marketbottom 36% AI: Classified as an AI company · Product described with: artificial intelligence Tech: 42 technologies across 4/8 capability areas · Cloud: Cloudflare, Google Cloud rank vs industry peers · Fliar Intelligence Index 57/100 | $93M | 22 mo ago | — | Alex Yeh Founder & CEO | TurbopackApple iCloud MailGoogle Workspace+25 | — | 1 launch |
| 11 | CipherCloud Cloud infrastructure security solutions provider | $81M | 141 mo ago | 10 | — | — | 20 patents Cloud data security: encryption, anonymization, and anti‑phishing for secure transmission | — |
| 12 | Elastica Security operations center for Cloud services | $55M | 137 mo ago | 80 | — | — | — | — |
| 13 | Ceremorphic Developer of compute infrastructure and analog AI for drug design | $50M | 55 mo ago | 223 | Venkat Mattela Founder & CEO | WordPressPleskMySQL+17 | 126 patents Patents concentrated in computing, sensing & instrumentation | — |
| 14 | RiverMeadow Provider of workload mobility platform solutions for cloud and data centers | $37M | 121 mo ago | 47 | — | HubSpot CMS HubLinkedin Insight TagHubSpot Analytics+17 | — | 1 launch |
| 15 | Nops Provider of AWS cloud governance and management platform | $30M | 28 mo ago | 76 | Jatinder Giri Co-Founder & CEO | WordPressMySQLPHP+26 | — | — |
| 16 | ShieldX Networks Global cybersecurity solutions and services provider securing enterprises, service providers, and governments | $25M | 104 mo ago | 43 | Ratinder Ahuja Co-Founder & CEO | — | 84 patents Network security orchestration, microservice firewalls, and AI-driven traffic risk assessment | — |
| 17 | Zentera Provider of zero trust security solutions for critical asset defense | $16M | 40 mo ago | 25 | Jaushin Lee Founder | HubSpot CMS HubSalesforceIsotope+28 | — | — |
| 18 | Polar Security Provider of cloud data security solutions | $8M | 55 mo ago | 31 | Guy Shanny Co-Founder & CEO | — | — | — |
| 19 | Griddable AI CRM platform empowering businesses with data-driven customer relationship management | $8M | 102 mo ago | 27 | Rajeev Bharadhwaj Co-Founder | — | — | — |
| 20 | JetStream Software Data management software for enterprise cloud and hybrid cloud | $8M | 87 mo ago | 13 | Tom Critser Co-Founder & CEO | WordPressMySQLPHP+10 | — | — |
| 21 | NeuVector Cloud-based application and network container security management software provider | $7M | 105 mo ago | 32 | — | — | 24 patents Container runtime security: data protection, automated policy, threat detection, mesh monitoring | — |
| 22 | 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 | — |
| 23 | Sonet.io Cloud application security solutions for businesses | $6M | 40 mo ago | 12 | Venu Banda Co-Founder | WebflowAmazon ALBAmazon Web Services+17 | 5 patents Secure remote client/browser access using encrypted network protocols | — |
| 24 | K2 Cyber Security Full-stack observability platform for monitoring, debugging, and improving entire technology stacks | $6M | 90 mo ago | 6 | Pravin Madhani Co-Founder & CEO | — | 67 patents Cybersecurity solutions for data integrity, surveillance, and vehicle/aircraft tracking using distributed ledgers | — |
| 25 | Sideband Network DNA analysis through visualization, analytics, policy, and reporting | $6M | 150 mo ago | 19 | Zane Taylor Co-Founder & CEO | — | — | — |
| 26 | Acetti Cloud application performance solutions provider | $5M | 130 mo ago | — | Cheng Wu Co-Founder & Chairman | — | — | — |
| 27 | APL Software Application centric cloud management | $5M | 130 mo ago | — | Cheng Wu Co-Founder | — | — | — |
| 28 | Nirmata Cloud based kubernetes security platform | $4M | 18 mo ago | 8 | Ritesh Patel Co-founder and VP Products | WordPress Block EditorwpBakeryWordPress+29 | 2 patents Optimizing performance tuning for microservices-based cloud applications. | — |
| 29 | Stratus Silver Lining Platform offering hpc based cloud computing solutions | $3M | 90 mo ago | — | Alok Sharma Co-Founder & CEO | — | — | — |
| 30 | Cisco Provider of AI infrastructure, secure networking, and software solutions | $2M | 60 mo ago | 26,000 | Chuck Robbins CEO | Adobe Experience ManagerApple iCloud MailRuby+45 | 23 patents Patents concentrated in computing, sensing & instrumentation | — |
Top 12 Cloud Infrastructure companies in San Jose
#1
Series B · San Jose, California · founded 2023$263.2Mraised▾
Provider of an agentic security operations platform with AI capabilities. The platform offers threat detection, triage, investigation, and response across various attack surfaces. It integrates with existing tools to streamline security operations. The platform uses multi-model AI to deliver consistent and precise outcomes. It provides capabilities for autonomous alert triage and AI-driven analysis. The platform is available as a service or managed detection and response.
- May 2026Series B$125M
- Apr 2025Series A$75M
- Apr 2024Series A$36.2M
- Jul 2023Series A$27M
#2
Series A · San Jose, California · founded 2021$93Mraised▾
Provider of GPU cloud solutions for scalable AI and inference. It delivers infrastructure for training, deploying, and running artificial intelligence models. The company offers an inference engine, GPU orchestration, and GPU compute services. It provides access to GPUs with networking and on-demand usage.
- Oct 2024Series A$15M
- Oct 2024Conventional Debt$67M
- Jul 2024Seed—
#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
Lacework 🦄Acquired · San Jose, California · founded 2015 · 1174 employees$1.9Braised▾
AI powered cloud security posture management solution. It provides a cloud workload security solution to monitor and secure cloud infrastructure. It creates a temporal baseline of cloud operations to detect and investigate breaches, cyberattacks, and insider threats. It uses insider tracking technology to expose the user intention behind every command.
- Feb 2022Series D—
- Nov 2021Series D$1.3B
- Jan 2021Series D$525M
- Sep 2019Series C$42M
#5
Series A · San Jose, California · founded 2013 · 8 employees$4Mraised▾
Cloud based kubernetes security platform. It offers policy as code solutions to automate the security operations. It enables users to leverage the policies to govern security, operations, and cost across kubernetes clusters and CI and CD pileines. The platform offers reports and insights to assist team in evaluating the policies. Offering includes pipeline scanning, software supply chain security, kubernetes workload protection, cost governance, and more.
- Feb 2025Series A$9.6M
- Aug 2021Seed$4M
- Sep 2020Seed—
#6
Series A · San Jose, California · founded 2015 · 76 employees$30Mraised▾
Nops is a provider of AWS cloud governance and management platform. The platform offers AWS security, AWS cloud optimization, AWS compliance management, AWS purchase recommendation, automation, and billing services. It also offers shareable custom reports that provide trends, chargeback and drill down. The product also supports Slack integration, cloud trial & contextual based security.
- May 2024Series A$30M
#7
Public · San Jose, California · founded 2009 · 8416 employees$317.2Mraised▾
AI powered cloud management software for enterprises. It provides visibility into private and public cloud spending. The platform generates cloud consumption reports that allow users to allocate untagged spending and set budget alerts. Features include disaster recovery, file storage, network security, and more.
- Aug 2020Post IPO$750M
- Jan 2018Post IPO$575M
- Apr 2016Conventional Debt$75M
- Sep 2014Series E$145M
#8
Acquired · San Jose, California · founded 2000 · 1000 employees$120.3Mraised▾
Provider of cybersecurity solutions for continuous threat exposure management and mitigation. The company offers a platform designed for asset visibility, risk prioritization, and threat detection. It delivers capabilities for network security, operational technology security, and zero trust implementation. The platform supports various use cases, including asset inventory, network access control, and security automation. Solutions cater to industries such as financial services, healthcare, and manufacturing.
- Jul 2022Post IPO$88.8M
- Dec 2019Grant (prize money)$500.5K
- Sep 2018Grant (prize money)$329.7K
- Dec 2015Series E$76M
#9
Series D · San Jose, California · founded 2013 · 64 employees$100Mraised▾
Provider of container development and management platform. It provides a platform to enable private cloud, powered by OpenStack and delivered from both AWS and its own data center. Enables enterprises to manage and deploy private clouds as a service. It provides solutions to help organization to manage the cloud infrastructure and operations including automated scale testing anf build automation,bare metal kurbernetes, edge computing, DevOps automation, hybrid cloud, and more.
- Jun 2022Series D$26M
- Apr 2021Series D—
- Feb 2021Series D$12.5M
- Aug 2019Series D$25M
#10
Series C · San Jose, California · founded 2008 · 108 employees$120.5Mraised▾
AI based infrastructure management solution. The platform provides a solution to manage a hybrid cloud infrastructure such as monitoring and workload management and performance analysis. It offers features such as application monitoring, cloud cost management, storage load testing, virtana ops cruise, and more.
- Jan 2022Series C$73M
- May 2020Series C$15M
- Nov 2014Series C$10.6M
- May 2014Series C$12M
#11
Acquired · San Jose, California · founded 2015 · 51 employees$100Mraised▾
Provider of AI-powered platform for cyber risk and exposure management. The platform offers capabilities for exposure management, cyber risk quantification, and asset inventory. It helps organizations understand their attack surface, prioritize risks, and reduce cyber risk. The platform also provides application security and software bill of materials management.
- Mar 2022Series C$70M
- Jun 2018Series B$20M
- Jun 2017Series A$8.6M
#12
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
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Cloud Infrastructure coverage by sub-theme.
Regulatory-risk over time flat
Funding & growth over time
funding rising · growth rising
How research on Cloud Computing is moving in the United States
A read on the academic research around Cloud Computing — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 8,654 United States-affiliated papers.
- Film Independent588
- Microsoft147
- Goddard Space Flight Center135
- University of Washington130
- NSF National Center for Atmospheric Research117
- Scalability51→526
- Software deployment12→253
- Key (lock)16→192
- Operating system45→218
- Workflow3→176
- Scalability14→264
- Key (lock)9→192
- Operating system18→190
- Software deployment9→176
- Analytics8→149
- Key (lock)9→128
- Scalability10→101
- Software deployment2→76
- Operating system13→83
- Big data17→80
Where cloud computing is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing cloud computing patents in the United States
United States cloud computing patent filing is cooling — 6,575 filings from 3,147 assignees (2016–2025), led by IBM, Microsoft, Intel; annual filings 708→574.
- IBM1261
- Microsoft891
- Intel641
- Vmware477
- Oracle381
- Cisco237
- RED HAT185
- Nutanix173
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.