13 Penetration Testing companies in United States
13 Penetration Testing companies in United States with 20 founders and decision-makers, led by San Francisco. 8 verified founder emails. Updated 2026-10-03.
Key findings
- FindMeMail tracks 13 Penetration Testing companies in United States, with 20 founders and decision-makers listed.
- San Francisco is the top city, with 4 of them (31%), followed by San Antonio (1).
- The most common team size is 1-10 employees (77% of companies).
- 4 (31%) were founded in the last three years.
- 6 companies (46%) have at least one verified founder email, 8 verified emails in total.
Breakdown
Top cities
- San Francisco: 4 (31%)
- San Antonio: 1 (8%)
- Arlington: 1 (8%)
- North Charleston: 1 (8%)
- Ogden: 1 (8%)
- Austin: 1 (8%)
- Los Angeles: 1 (8%)
- Newark: 1 (8%)
Team size (employees)
- 1-10: 10 (77%)
- 51-100: 1 (8%)
- 11-50: 1 (8%)
- 251-500: 1 (8%)
Founded (last 10 years)
- 2018: 1 (8%)
- 2020: 1 (8%)
- 2024: 1 (8%)
- 2025: 3 (23%)
Recently added Penetration Testing companies in United States
- CyRing — San Francisco, United States: CyRing, LLC provides advanced cybersecurity solutions for corporations and startups.
- National Cyber Security Institute — San Francisco, United States: U.S.-based cybersecurity institute offering bootcamps, certifications, and corporate training for professionals and organizations.
- RedVeil Security — Newark, United States: SaaS, AI, Cybersecurity, Penetration Testing
- Talaria Security Labs (Formerly UGWST) — Austin, United States: Talaria Security Labs: Security audits for web applications, mobile applications, networks, and web3 projects.
- Corpoma — San Antonio, United States: Corpoma is a software development company that provides web and app development, system administration, and penetration testing services.
- LedgerOps — Arlington, United States: LedgerOps offers threat feed data products and cybersecurity services for Web2 and Web3 companies.
- Shyield — Houston, United States: Shyield offers cybersecurity insurance, dark web investigation, penetration testing, solutions and other services.
- Society of Cosmetic Chemists California — Los Angeles, United States: Society of Cosmetic Chemists California is a non-profitable organization which promotes high standards of practice in cosmetic sciences.
- Black Lantern Security — North Charleston, United States: Black Lantern Security is an IT firm that deals with security solutions development, cybersecurity assessments and penetration testing.
- Trust Guard — Ogden, United States: Trust Guard started in 2006, helping companies Build Trust and Make More Sales.
- Terra Security — New York, United States: Terra Security offers Agentic AI continuous penetration testing services to continuously pentest every attack surface change with the efficiency of automation…
- Bugcrowd — San Francisco, United States: Bugcrowd is a cybersecurity company that operates as a platform for crowdsourced security testing.
- Spur — San Francisco, United States: Spur works in automation of all functional codes and E2E testing.
Browse and filter all 13 companies
Frequently asked questions
How many Penetration Testing companies in United States are there?
FindMeMail currently lists 13 Penetration Testing 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 Penetration Testing companies in United States based?
San Francisco (4), San Antonio (1), Arlington (1).
How do I contact founders of Penetration Testing companies in United States?
8 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.