Best Enterprise Infrastructure Companies in Denver, United States
The 99 best Enterprise Infrastructure companies in Denver, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: CoreSite.
Our analysis of 147 Enterprise Infrastructure companies
$38.8b in tracked funding; 99% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Enterprise Infrastructure companies in Denver
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | CoreSite Operator of data centers providing colocation, interconnection, and cloud networking | $4.3B | 42 mo ago | 475 475 → 676 (+42%) | Paul Szurek President | HubSpot CMS HubSentryApple iCloud Mail+26 | Top 5M | — | — |
| 2 | Crusoe 🦄 Operator of cloud platform providing infrastructure for artificial intelligence workloads 91Funding top 11%Partners top 23%Tech top 24%Moat top 26% All 10 signals ▾Fundingtop 11% Partnerstop 23% Techtop 24% Moattop 26% Markettop 27% AItop 30% Newstop 33% Growthtop 35% Talenttop 36% Globalbottom 39% Funding: Raised $577M across 14 rounds · 14 rounds over 7 yrs (2.0/yr) Partners: 1 partnership announcement in 12 mo (4 in 24 mo) · 8 contract events in 12 mo rank vs industry peers · Fliar Intelligence Index 91/100 | $577M | 4 mo ago | 242 | Cully Cavness Co-Founder | Amazon WebstoreWebflowSentry+36 | Top 100k | — | — |
| 3 | Cologix Operator of data centers providing colocation, interconnection, and hyperscale edge solutions | $576M | 19 mo ago | 300 | Laura Ortman CEO | WordPressApple iCloud MailMySQL+38 | Top 5M | — | 1 internship · 1 expansion · 2 awards |
| 4 | Welltok Provider of cloud-based employee wellness platform | $312M | 62 mo ago | 305 | Scott Rotermund Co-Founder | — | — | 9 patents AI-driven personalized wellness recommendation and nudging systems for health behavior optimization | — |
| 5 | Ping Identity Provider of identity security solutions for digital enterprises and organizations | $136M | 139 mo ago | 821 | Andre Durand Founder & CEO | Adobe Experience ManagerSentryAtlassian Statuspage+33 | Top 500k | 134 patents Secure identity authentication, biometric verification, and API access control solutions. | — |
| 6 | Red Canary Provider of managed detection and response across diverse IT environments | $130M | 60 mo ago | 395 395 → 350 (-11%) | — | WordPressSentryZendesk+47 | Top 5M | — | — |
| 7 | CyberGRX Cloud-based solutions for risk assessment and management | $100M | 78 mo ago | 141 | — | — | — | — | — |
| 8 | ProtectWise Deep packet inspection & automated retrospection based threat detection | $100M | 93 mo ago | 72 | — | — | — | 7 patents Capturing, filtering, and replaying network traffic for cyber threat detection and analysis. | — |
| 9 | Axcient Cloud-based business continuity management software provider | $99M | 117 mo ago | 148 | — | WordPress Block EditorWordPressMySQL+26 | Top 5M | 24 patents Enterprise data backup, replication, and cloud storage with deduplication and virtualization. | — |
| 10 | Faction Resilient cloud platform providing modernization, protection, and management solutions | $81M | 71 mo ago | 166 | — | — | — | 23 patents Layer‑2 networking fabric and shared cloud storage for multi‑tenant data center infrastructure | — |
| 11 | FusionAuth Solution for implementation of authentication, authorization, and user management | $65M | 31 mo ago | 28 | — | WebflowApple iCloud MailGoogle Workspace+26 | Top 500k | — | — |
| 12 | Cloud Elements API integration platform | $60M | 82 mo ago | 57 | — | — | — | — | — |
| 13 | Threat X API and app threat detection and blocking | $54M | 46 mo ago | 14 | Andrew Useckas Co-Founder | WordPressMySQLMariaDB+39 | Top 50M | 3 patents Patents concentrated in electrical & electronics | — |
| 14 | Gravitee Open source based API management platform | $42M | 13 mo ago | 87 | Azize Elamrani Co-founder | DiscourseRubyRuby on Rails+36 | Top 1M | — | — |
| 15 | StackHawk Cloud based security testing software | $35M | 13 mo ago | 50 | Scott Gerlach Co-Founder & CSO | JekyllApple iCloud MailGoogle Workspace+20 | Top 5M | — | 1 partnership |
| 16 | Whimsical Provider of cloud based collaborative design tools | $30M | 55 mo ago | 14 14 → 33 (+136%) | Steve Schoeffel Co-Founder | Apple iCloud MailGoogle WorkspaceNode.js+13 | Top 100k | — | 1 launch · 1 partnership |
| 17 | Casa Platform offering self-custody solutions for cryptocurrency | $25M | 53 mo ago | 12 | Nick Neuman CEO | Webflow EcommerceWebflowLazySizes+18 | Top 5M | — | 1 launch |
| 18 | Keyavi Data Data security and privacy solutions | $22M | 29 mo ago | 42 | Tom Chilcott Chief Executive Officer | — | — | 26 patents Secure searchable encryption and DRM for enterprise file storage | — |
| 19 | Vericept compliance and data loss software | $20M | 215 mo ago | 38 | Tery Larrew CEO | — | — | 12 patents Machine‑learning clustering, text scoring, regex optimization, and employee web‑monitoring solutions | — |
| 20 | DarkOwl Darknet monitoring-based threat intelligence solution | $19M | 80 mo ago | 62 62 → 31 (-50%) | — | WordPressApple iCloud MailMySQL+30 | Top 5M | — | 1 award |
| 21 | RIIG Tech Provider of AI-powered cybersecurity and risk intelligence solutions 62AI top 35%Talent top 38%Funding top 45%Global bottom 33% All 4 signals ▾AItop 35% Talenttop 38% Fundingtop 45% Globalbottom 33% AI: Product described with: ai-powered, machine learning Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 62/100 | $16M | 2 mo ago | — | Denver III Founder & CEO | — | — | — | — |
| 22 | Dizzion Cloud-based desktop virtualization management solution provider | $15M | 65 mo ago | 50 50 → 59 (+18%) | — | Webflow EcommerceWebflowNginx+26 | Top 5M | — | 1 job opening |
| 23 | Griptape Platform offering open source frameworks for AI implementation | $15M | 33 mo ago | 12 | Vasily Vasinov Founder | WebflowIntercomjQuery+12 | Top 10M | — | — |
| 24 | Native Voice Limited information available | $14M | 59 mo ago | 29 | — | — | — | — | — |
| 25 | Mersive Wireless visual collaboration software | $13M | 140 mo ago | 134 | — | Cart FunctionalityWooCommerceWordPress+46 | Top 5M | 39 patents Collaborative multi-user display sharing, discovery, and color calibration technologies. | 1 launch · 1 award |
| 26 | FishNet Security Cybersecurity solutions provider securing business outcomes through advisory, deployment, and managed services | $12M | 218 mo ago | 2,447 | — | — | — | — | — |
| 27 | EdgeMicro High bandwidth and low latency modular data centers | $11M | 73 mo ago | 8 | Josh Snowhorn Co-Founder & CSO | — | — | 2 patents Optimizing mobile network traffic offload and data routing in telecom infrastructure. | — |
| 28 | Blinker Provider of an app-based connecting people to buy and sell cars | $10M | 82 mo ago | 24 | — | Framer SitesReactAmazon Web Services+8 | Top 50M | 47 patents Computer vision automation for vehicle data extraction and transaction processing | — |
| 29 | Start9 Platform offering personal servers for enterprises | $9M | 50 mo ago | 10 | Keagan McClelland Co-Founder | Cart FunctionalityShopifyFacebook Login+20 | Top 5M | — | — |
| 30 | SafetyWeb Cloud based child identity and safety solutions | $9M | 192 mo ago | 5 | — | — | — | — | — |
| 31 | ID Watchdog Identity theft detection & mitigation | $8M | 160 mo ago | 694 | — | LiferayJavaEnvoy+13 | Top 1M | — | — |
| 32 | Mobile Solutions Provider of smart mobile solutions | $7M | 117 mo ago | — | Kimberlie Johnson President & CEO | — | — | 89 patents Secure digital identity and biometric authentication token devices for access control | — |
| 33 | HarperDB Developer of a platform unifying database, cache, application, and messaging layers | $6M | 24 mo ago | 12 | Stephen Goldberg Founder & CEO | DocusaurusZendeskApple iCloud Mail+11 | Top 50M | 7 patents Hierarchical database architectures and management systems for structured data storage | — |
| 34 | YeshID Provider of a platform offering identity and access management solutions | $5M | 46 mo ago | 10 | Alex Vaystikh Co-Founder | WebflowAmazon Web ServicesKnockout.js+23 | Top 10M | — | 3 launchs |
| 35 | PolyAPI Provider of AI-powered API and event discovery platform | $5M | 24 mo ago | — | Darko Vukovic Founder & CEO | WordPressApple iCloud MailGoogle Workspace+38 | Top 50M | — | 1 launch |
| 36 | Liminal Horizontal security for Generative AI | $5M | 7 mo ago | — | Steven Walchek Co-Founder & CEO | WebflowApple iCloud MailGoogle Workspace+24 | Top 5M | — | — |
| 37 | SelectHub Provider of a platform for software evaluation | $3M | 119 mo ago | 102 | Venkat Devraj CEO | WordPressUnbouncewpBakery+33 | Top 5M | — | — |
| 38 | AlchemyAPI Provider of API platform to analyze text, images, and, facial recognition | $2M | 145 mo ago | 18 | — | — | — | — | — |
| 39 | MindAptiv Developer of wantware intended to maximize chip performance and efficiency | $2M | 16 mo ago | 9 | Ken Granville Co-Founder & CEO | — | — | 3 patents Advanced multi‑dimensional signal and image processing using quaternion‑based transforms | — |
| 40 | Mutable Cloud based microservices platform | $2M | 74 mo ago | 12 | — | — | — | — | — |
| 41 | Stratavia Data Center automation solutions | $1M | 198 mo ago | 14 | — | — | — | 10 patents Automation of database administration standard operating procedures and workflow management. | — |
| 42 | Searchcraft Developer of search tools and components for application and website integration | $1M | 19 mo ago | — | Don Mackinnon Co-Founder and CTO | WebflowYouTubePlyr+17 | Top 50M | — | — |
| 43 | FYEO AI based identity management and threat intelligence platform | $775K | 61 mo ago | 16 | Tammy Kahn Co-Founder & Co-CEO | — | — | — | — |
Top 12 Enterprise Infrastructure companies in Denver
#1
Crusoe 🦄Series E · Denver, Colorado · founded 2018 · 242 employees$576.9Mraised▾
Operator of cloud platform providing infrastructure for artificial intelligence workloads. The company designs, builds, and operates infrastructure to power artificial intelligence. It offers managed inference, cluster management, and observability. The platform features high-performance compute, accelerated storage, and optimized networking. It provides support for open and open-source models. The company focuses on environmentally aligned power sources.
- Feb 2026Conventional Debt$300M
- Oct 2025Series E$1.4B
- Aug 2025Venture Debt$175M
- Jun 2025Venture Debt$750M
#2
Series A · Denver, Colorado · founded 2021$16.3Mraised▾
Provider of AI-powered cybersecurity and risk intelligence solutions. It offers advanced threat detection, zero trust architecture implementation, and financial and regulatory intelligence platforms. These solutions leverage machine learning for data analysis and incident response, improving cybersecurity readiness and risk management for various sectors. Proprietary tools integrate data streams tailored to client needs, enhancing due diligence and compliance efforts. The company also provides cybersecurity services including red teaming, vulnerability assessments, and workforce training.
- Apr 2026Series A$6M
- Oct 2025Series A$6.6M
- May 2025Seed—
- Sep 2024Seed$3.7M
#3
Acquired · Denver, Colorado · founded 2010 · 300 employees$575.8Mraised▾
Operator of data centers providing colocation, interconnection, and hyperscale edge solutions. The company delivers infrastructure, systems, and monitoring for customer-centric data center solutions. It offers network and cloud connectivity through meet-me-rooms. The company’s data centers facilitate digital infrastructure and ecosystems, providing access to networks.
- Oct 2024Conventional Debt$1B
- Oct 2024Series E$500M
- Sep 2019Series E$500M
- Jul 2015Conventional Debt$255M
#4
Series B · Denver, Colorado · founded 2019 · 50 employees$35.3Mraised▾
Cloud based security testing software. It allows users to test the APIs, applications, and services for security vulnerabilities. It runs the security testing in the CI or CD pipelines to identify vulnerabilities in the pipeline. The features include graphql testing, grpc testing, and more.
- May 2025Series B$12M
- Sep 2022Series B$29.6K
- May 2022Series B$20.7M
- Oct 2020Series A$10M
#5
Series C · Denver, Colorado · founded 2015 · 87 employees$42Mraised▾
Open source based API management platform. It offers agentic AI that allows users to manage APIs. Its gateway handles each HTTP call and provides multiple analytics dashboards for API publishers and consumers. It enables users to consolidate APIs into a single developer portal, and monitor the traffic and activity in real time. Features include API design, observability, access management, agent mesh, and more.
- May 2025Series C$60M
- Sep 2022Series B$30M
- Jul 2021Series A$11M
#6
Series A · Denver, Colorado · founded 2017$5Mraised▾
Horizontal security for Generative AI. The platform offers horizontal security solutions for enterprises to leverage generative AI in multiple applications. Its platform enables organizations to maintain control over data privacy and security while leveraging AI technology.
- Nov 2025Series A$4M
- Jun 2024Series A$5M
- May 2024Series A$8M
- Aug 2023Seed—
#7
Acquired · Denver, Colorado · founded 2001 · 475 employees$4.3Braised▾
Operator of data centers providing colocation, interconnection, and cloud networking. The organization delivers environments for high-density colocation, low-latency interconnection, and native cloud onramps. Services include cabinets, private cages, private suites, remote hands, and move-in assistance. The business also provides an interconnection platform that enables scaling. It offers resources such as case studies, reports, and data center industry insights.
- Nov 2022Post IPO$2.5B
- Apr 2018Conventional Debt$1.1B
- Apr 2017Conventional Debt$275M
- Jun 2016Post IPO$150M
#8
Seed · Denver, Colorado · founded 2011 · 9 employees$1.9Mraised▾
Developer of wantware intended to maximize chip performance and efficiency. The wantware optimizes hybrid compute environments across vendors, chips, and workloads. It delivers adaptive machine code for deployment in various environments. The wantware automates compilation, scaling, and synchronization across CPU, GPU, memory, and I/O.
- Feb 2025Seed$165K
- Jul 2023Seed$675.3K
- Feb 2016Seed$1.2M
#9
Series C · Denver, Colorado · founded 2018 · 28 employees$65Mraised▾
Solution for implementation of authentication, authorization, and user management. It is a web-scale identity platform which provides the facility to implement authentication, authorization, and user management solution. The features include support for different authentication types such as single sign-on sso, federated logins, one-time use tokens code-based MFA, push SMS-based MFA, and multi-factor authentication.
- Nov 2023Series C$65M
#10
Acquired · Denver, Colorado · founded 2009 · 305 employees$311.7Mraised▾
Welltok provides a cloud-based employee wellness platform. The product is an employee wellbeing and analytics solution that collects data and analyzes to engage with consumers and reward them. The features of the product include a clinical database, machine-learning-based analytics, employee engagement, and more.
- Apr 2021Series E$17.4M
- Jul 2020Series E$10.4M
- Aug 2018Series E$13.3M
- Apr 2018Series E$75.5M
#11
Series A · Denver, Colorado · founded 2020 · 42 employees$22Mraised▾
Data security and privacy solutions. It prevents hackers and unauthorized users from being able to access the content. It offers an administrative web portal for data owners to monitor and manage data. It also offers real-time control, real-time forensics, location enforcement, immediate policy updates, automated data protection, and secure file sharing.
- Jan 2024Series A$731K
- Aug 2022Series A$13M
- 2021Seed$8.3M
#12
Acquired · Denver, Colorado · founded 2014 · 395 employees$130.1Mraised▾
Provider of managed detection and response across diverse IT environments. The company offers threat intelligence, automation, and security data lake services. It focuses on detecting threats, enabling rapid response, and integrating with existing security tools. The company provides solutions by domain, technology, and industry.
- May 2021Series C$4.9M
- Feb 2021Series C$81.1M
- Apr 2019Series B$34M
- Apr 2018Series A$6.3M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Enterprise Infrastructure coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.