44 Cloud Security companies in United States

44 Cloud Security companies in United States with 82 founders and decision-makers, led by San Francisco. 45 verified founder emails. Updated 2026-10-03.

Key findings

• FindMeMail tracks 44 Cloud Security companies in United States, with 82 founders and decision-makers listed.
• San Francisco is the top city, with 7 of them (16%), followed by Palo Alto (3).
• The most common team size is 1-10 employees (84% of companies).
• 12 (27%) were founded in the last three years.
• 15 have a recorded funding round; the most common is Pre-Seed (6).
• 26 companies (59%) have at least one verified founder email, 45 verified emails in total.

Breakdown

Top cities

• San Francisco: 7 (16%)
• Palo Alto: 3 (7%)
• Atlanta: 2 (5%)
• Orlando: 2 (5%)
• Nashville: 2 (5%)
• New York: 2 (5%)
• Seattle: 2 (5%)
• Santa Monica: 2 (5%)

Team size (employees)

• 1-10: 37 (84%)
• 11-50: 2 (5%)
• 101-250: 2 (5%)
• 10001+: 1 (2%)
• 501-1000: 1 (2%)
• 251-500: 1 (2%)

Latest funding round

• Pre-Seed: 6 (14%)
• Seed: 6 (14%)
• Grant: 2 (5%)
• Non-equity Assistance: 1 (2%)

Founded (last 10 years)

• 2017: 2 (5%)
• 2019: 3 (7%)
• 2020: 7 (16%)
• 2021: 1 (2%)
• 2022: 2 (5%)
• 2025: 11 (25%)
• 2026: 1 (2%)

Recently added Cloud Security companies in United States

• Syndrax LLC — Wyoming, United States: Cloud Infrastructure, Cybersecurity, Network Security
• Scantonomous — Redmond, United States: Scantonomous helps software teams find and fix security issues before code ships.
• ProAct Cyber — Orlando, United States: MCCP AS A SERVICE, Managed Information Provider, Stopping Threats at the edge, protecting the user from themselves with gameified learning.
• CyRing — San Francisco, United States: CyRing, LLC provides advanced cybersecurity solutions for corporations and startups.
• Vaultir.AI — Miami, United States: Blockchain-secured, AI-indexed vault for encrypted storage of sensitive legal and financial docs.
• Sentrilite — New York, United States: Tagless Cloud Cost Attribution & Detection-as-Code
• TrustMind — San Francisco, United States: SaaS Security TPRM Automation
• Autonomy — San Francisco, United States: Ship autonomous products.
• HENNGE Inc. — San Francisco, United States: SaaS, IAM, Cloud Protection
• Flowchestra — Arlington Heights, United States: Flowchestra is a Secure AI Operations platform that optimizes operations via governed, context-aware AI workflows with ROI & observability.
• ZeroFHE — East Haven, United States: Compute on Encrypted Data. No Decryption. Ever.
• CloudMatos — Livermore, United States: CloudMatos specializes in cloud security, intelligent remediation, self-healing cloud infrastructure, and governance solution.
• CloudeAssurance — Atlanta, United States: First and Most comprehensive Cyber Security Rating Services (SRS) platform focused on cloud security assessments, scoring & benchmarking.
• Elastic Byte — Nashville, United States: Managed DevOps, cloud computing, infrastructure
• NodeSocket — Nashville, United States: NodeSocket builds and operates web software and service products.
• Monosnap — Newark, United States: Monosnap offers secure screenshot and screencast management, SSO integration, direct cloud storage uploads, and OCR for data safety.
• IronWiFi — Orlando, United States: Developer and Provider of Managed RADIUS and Captive Portal Authentication Services
• KC7 Foundation — Silver Spring, United States: KC7 Foundation offers a diverse cybersecurity workforce to break down the barriers to entry in cyber.
• Verifiably — Miami, United States: Confidential cloud, secure private data sharing, collaboration & monetization
• ThreatNG Security — New York, United States: External Attack Surface Management (EASM), Digital Risk Protection, and Security Ratings
• Lokdon — Columbia, United States: Lokdon is a software development company that focuses on internet and cloud security.
• AlphaWave — Austin, United States: AlphaWave is a cybersecurity startup helping businesses of all sizes assess cyber-risk through every step of their digital transformation.
• IceGuard — Palo Alto, United States: IceGuard is a cybersecurity firm specializing in data security software products.
• Protective.ai — Santa Monica, United States: Protective.ai specializes in data protection, privacy and security monitoring, SEO optimization, and slack support services.
• CloudCoreo — Seattle, United States: CloudCoreo is building a next generation cloud management platform.
• VeriClouds — Seattle, United States: VeriClouds pioneered credential monitoring and verification to help organizations detect compromised credentials and prevent data breaches.
• Authomate — Atlanta, United States: Bringing convenience and security to user authentication, certainty you are you leveraging metafactors.
• SylLab Systems — Manassas, United States: Post Quantum Security For Networks and IoT
• Atomized — Charlotte, United States: Atomized helps developers choose and launch well-architected environments and infrastructure with ease and speed.
• outSOC — Santa Clara, United States: outSOC is a channel-exclusive, multi-tier, white-label, cloud-based security stack.

Browse and filter all 44 companies

Frequently asked questions

How many Cloud Security companies in United States are there?

FindMeMail currently lists 44 Cloud Security companies in United States with at least one founder or decision-maker identified. The count updates daily as new companies are added.

Where are most Cloud Security companies in United States based?

San Francisco (7), Palo Alto (3), Atlanta (2).

How do I contact founders of Cloud Security companies in United States?

45 verified founder emails are available for these companies on FindMeMail. Create a free account to get 50 free reveals, then buy one-time credit packs from $12.

Related reports

• Software companies in United States (3,675)
• Artificial Intelligence (AI) companies in United States (2,382)
• Seed-stage startups in United States (1,905)
• Information Technology companies in United States (1,861)
• Health Care companies in United States (1,647)
• E-Commerce companies in United States (1,545)
• SaaS companies in United States (1,304)
• Pre-seed startups in United States (1,096)
• Financial Services companies in United States (1,062)
• Manufacturing companies in United States (959)
• Consulting companies in United States (949)
• Internet companies in United States (824)

Methodology: counts include companies in the FindMeMail database with at least one identified founder or decision-maker. Data refreshes automatically as new companies are added.