Checkmarx is a developer of software solutions that identify, fix, and block security vulnerabilities in web and mobile applications. It provides a way for organizations to introduce security into their software development lifecycle. On March 16th, 2020, Checkmarx was acquired by Hellman & Friedman at a valuation of $1.15B.

Acunetix is focused on combating website and web application hacking. Per Acunetix, its clients include: Bank of China, US Army, NASA, Hewlett Packard, Telstra, AmSouth Bank, Fujitsu, San Diego County Credit Union, US Department of Agriculture, California Department of Justice, US Air Force, Wescom Credit Union, State of Virginia Gov dep, and the US Geological Service.

Invicti Security offers web application security software. Enterprises can utilize its online application security scanning software to find security weaknesses in websites, web apps, and web services. The app uses "proof-based scanning technology" to automatically detect security weaknesses while avoiding false positives. Netsparker merged with Acunetix to create Invicti Security. The company was founded in 2005 and is based in Austin, Texas.

Onapsis provides solutions for securing SAP and Oracle enterprise applications. Onapsis solutions include the Onapsis Security Platform. Onapsis' context-aware solutions deliver both preventative vulnerability and compliance controls, as well as real-time detection and incident response capabilities to reduce risks affecting critical business processes and data. Through open interfaces, the platform can be integrated with SIEM, GRC and network security products, incorporating enterprise applications into existing vulnerability, risk and incident response management programs.

oak9 secures cloud native infrastructure for developers. Its Security as Code continuously finds, analyzes, and remediates security and compliance issues in real-time, as changes occur in Infrastructure as Code (IaC) and deployed cloud workloads. The company’s proprietary Security as Code (SaC) blueprints support 20-plus compliance standards out-of-the-box including HIPAA, HITRUST, PCI, SOC2 and ISO27001. oak9’s open-sourced Security as Code also enables security engineers to extend oak9 security blueprints for additional guard rails. oak9 was founded in 2019 and is based in Chicago, Illinois.

StackHawk is a SaaS company building security software for DevOps teams, enabling engineers to find and remediate security problems in development and production through continuous vulnerability scanning, documentation, and remediation. The company was founded in 2019 and is based in Denver, Colorado.