Texas is home to a thrumming hub of information security companies, where firms focus on safeguarding data and managing cyber risks. The industry features specialties ranging from cloud security to mobile threat defense, catering to both private and public sectors. With the surge in remote work and sophisticated cyber threats, the demand for robust security services continues to rise. As organizations bolster their defenses, firms like Trellix and Critical Start innovate to meet challenges head-on, reflecting broader trends of investment in advanced security technologies and compliance solutions. The future is poised for further growth as cybersecurity becomes a cornerstone in the digital age.

The companies on this list represent a spectrum of sizes and specializations within Texas's information security sector. Ranging from startups to established firms, each plays a unique role—from capturing high-tech defenses with Trellix to providing managed security services at Zimperium. Established between the 1970s and 2020s, these companies operate primarily from locations such as Plano, Austin, and Dallas. They focus on critical areas including threat intelligence, incident response, and compliance, showcasing a concentrated effort to counteract evolving cybersecurity threats.

Read on to discover the top information security companies in Texas.

Top 24 Information Security Companies in Texas

1. Trellix

• Website: trellix.com
• Ownership type: Corporate
• Headquarters: Plano, Texas, United States (USA)
• Employee distribution: India 50%, United States (USA) 26%, Ireland 5%, Other 18%
• Latest funding: $9.8M, December 2002
• Founded year: 2022
• Headcount: 1001-5000
• LinkedIn: trellixsecurity

Trellix, based in Plano, Texas, is a cybersecurity firm that specializes in advanced security solutions designed to protect businesses from a variety of cyber threats. Founded in 2022, the company has quickly positioned itself in the industry by offering products such as the XDR Engine, Endpoint Security, and Threat Intelligence services. Trellix serves a broad spectrum of clients across different sectors, emphasizing the importance of effective cybersecurity measures. The company has also launched the Trellix Advanced Research Center, which focuses on analyzing threat data related to ransomware and other cyber risks. This initiative reflects Trellix's commitment to staying at the forefront of cybersecurity innovation and research.

2. Netwrix Corporation

• Website: netwrix.com
• Ownership type: Private Equity
• Headquarters: Frisco, Texas, United States (USA)
• Employee distribution: United States (USA) 51%, United Kingdom (UK) 13%, Russia 5%, Other 31%
• Latest funding: May 2023
• Founded year: 2006
• Headcount: 501-1000
• LinkedIn: netwrix-corporation

Netwrix Corporation, based in Frisco, Texas, is an IT security software company that specializes in solutions aimed at enhancing data security, identity security, and compliance. Since its inception in 2006, Netwrix has developed a suite of products designed to help organizations manage sensitive data and adhere to regulatory requirements. Their offerings include Netwrix Auditor, which assists in identifying IT risks and investigating security incidents, and Netwrix Data Classification, which helps organizations discover and classify sensitive data. The company serves a wide range of clients, including businesses and educational institutions, across various sectors. With a workforce of approximately 799 employees, Netwrix has a significant presence in the cybersecurity market, focusing on providing integrated solutions that address the complexities of modern IT environments.

3. IPSecure, Inc

• Website: ipsecureinc.com
• Ownership type: Private
• Headquarters: San Antonio, Texas, United States (USA)
• Founded year: 2000
• Headcount: 51-200
• LinkedIn: ipsecure-inc

IPSecure, Inc. is a cybersecurity and telecommunications company based in San Antonio, Texas. Founded in 2000 by Jesse Rodriguez, the company initially focused on software development before pivoting to cybersecurity and telecommunications. IPSecure provides advanced cyber services and Information Assurance support, catering to both government and commercial clients. Their offerings include computer network control, offensive and defensive strategies, and exploitation services aimed at safeguarding critical resources from cyber threats. The company prides itself on its agile support and customer service, which is often highlighted as a distinguishing factor for a firm of its size. IPSecure has also been recognized as a top workplace in San Antonio, reflecting its commitment to employee satisfaction and community engagement.

4. ON2IT Cybersecurity

• Website: on2it.net
• Ownership type: Private
• Headquarters: Plano, Texas, United States (USA)
• Employee distribution: Netherlands 85%, United States (USA) 15%
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: on2it-cybersecurity

ON2IT Cybersecurity, founded in 2005, is a private cybersecurity service provider headquartered in Plano, Texas, with a significant operational base in the Netherlands. The company specializes in managed security services, particularly through its Zero Trust model, which emphasizes a proactive approach to cybersecurity. ON2IT offers a range of services, including Zero Trust as a Service, managed security operations, and incident response. Their Managed Security Operations Center (mSOC) operates 24/7, providing clients with continuous monitoring and support. The company has been instrumental in the development of the Zero Trust philosophy, positioning itself as a pioneer in this area. With over 300 clients globally, ON2IT is dedicated to tailoring its services to meet the unique cybersecurity needs of organizations with complex IT environments. Their commitment to prevention and compliance, combined with advanced technology and a skilled team, underscores their role in enhancing cybersecurity resilience for businesses.

5. CoNetrix

• Website: conetrix.com
• Ownership type: Private
• Headquarters: Lubbock, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1977
• Headcount: 51-200
• LinkedIn: conetrix

CoNetrix, founded in 1977 and based in Lubbock, Texas, is a private IT consulting firm that focuses on computer networking, data security, and compliance solutions. With a workforce of approximately 103 employees, the company has carved out a niche in providing services primarily to financial institutions. Their offerings include a range of cybersecurity services, risk assessments, and tailored software solutions designed to help clients navigate complex regulatory environments. CoNetrix is particularly known for its Tandem software, which assists organizations in managing compliance and security needs. The firm has received recognition for its workplace culture and has been awarded titles such as Best IT/Technology Company in Lubbock for multiple consecutive years. Their commitment to integrity and innovation is evident in their approach to client partnerships, emphasizing trust and high standards of professional conduct.

6. SandTech Solutions

• Website: sandtechsolutions.com
• Ownership type: Private
• Headquarters: San Antonio, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: sandtech-solutions-llc

SandTech Solutions, founded in 2012 and based in San Antonio, Texas, is a private technology and cybersecurity services firm. With a workforce of 11-50 employees, the company specializes in managed security, IT support, and consulting services tailored for both businesses and government entities. SandTech's mission is to enhance cybersecurity measures and optimize IT operations, addressing the unique challenges faced by their clients. The company has a strong emphasis on cybersecurity, offering services such as incident response, vulnerability assessments, and managed security solutions. Their team comprises experts with backgrounds in military and government information technology, which equips them to handle sensitive networking systems and complex security environments. SandTech is also recognized as a Service Disabled Veteran-Owned Small Business, which may enhance their appeal to certain government contracts. They have achieved a level 3 appraisal from the CMMI Institute, indicating a commitment to quality and process improvement in their service delivery.

7. Cybalt

• Website: cybalt.com
• Ownership type: Private
• Headquarters: Plano, Texas, United States (USA)
• Employee distribution: India 82%, United States (USA) 18%
• Founded year: 2022
• Headcount: 51-200
• LinkedIn: cybalt

Cybalt, based in Plano, Texas, is a cybersecurity consulting firm that specializes in providing a wide range of services aimed at protecting organizations from cyber threats. Founded in 2022, the company has quickly established itself in the industry by offering managed security services, advisory support, and system integration. Cybalt serves various sectors, including healthcare, finance, and critical infrastructure, helping clients navigate complex regulatory environments and safeguard sensitive data. With a global presence and a team that includes a significant number of professionals based in India, Cybalt is well-equipped to deliver customized cybersecurity solutions that meet the specific needs of its clients. Their approach combines advanced technology with a consultative methodology, ensuring that organizations can effectively manage their security posture in an ever-evolving threat landscape.

8. Thales Cybersecurity Products

• Website: cpl.thalesgroup.com
• Ownership type: Corporate
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: United States (USA) 30%, India 11%, United Kingdom (UK) 11%, Other 48%
• Latest funding: July 2022
• Founded year: 1976
• Headcount: 1001-5000
• LinkedIn: thalesesecurity

Thales Cybersecurity Products, based in Austin, Texas, is a corporate entity with a workforce of over 1,000 employees. Founded in 1976, the company has established itself as a significant player in the cybersecurity sector, focusing on data protection and identity management solutions. Their product suite includes advanced offerings such as data encryption, key management, and identity access management, catering to a wide range of industries including finance, healthcare, and government. Thales is dedicated to helping organizations secure their applications, data, and identities, thereby addressing the growing concerns around data breaches and regulatory compliance. The company has not reported any recent funding, indicating a stable operational model that relies on its established market presence and expertise.

9. Critical Start

• Website: criticalstart.com
• Ownership type: Private Equity
• Headquarters: Plano, Texas, United States (USA)
• Employee distribution: United States (USA) 75%, India 24%
• Latest funding: $215.0M, April 2022
• Founded year: 2012
• Headcount: 201-500
• LinkedIn: critical-start

Critical Start, founded in 2012 and based in Plano, Texas, is a cybersecurity firm that focuses on managed detection and response (MDR) services, incident response, and risk assessments. The company serves a variety of sectors, including healthcare, finance, and energy, helping organizations mitigate cybersecurity threats through advanced technology and expert support. Critical Start has developed a unique Cyber Operations Risk & Response platform, which enhances their service offerings. They have also established a Cyber Research Unit to provide threat intelligence and research, further solidifying their position in the industry. In April 2022, the company secured $215 million in funding, reflecting strong investor interest and confidence in their growth trajectory and innovative solutions.

10. Axis Technologies

• Website: axistec.com
• Ownership type: Private
• Headquarters: Plano, Texas, United States (USA)
• Employee distribution: United States (USA) 89%, United Kingdom (UK) 11%
• Founded year: 1998
• Headcount: 11-50
• LinkedIn: axis-technologies

Axis Technologies, based in Plano, Texas, has been a significant player in the IT and cybersecurity industry since its inception in 1998. The company specializes in providing a variety of IT services, with a strong emphasis on cybersecurity solutions. Their offerings include penetration testing, managed detection and response, and advanced email security, among others. Axis Technologies serves a wide array of industries, including finance, healthcare, and manufacturing, showcasing their ability to tailor solutions to meet specific client needs. The firm has built a reputation for delivering effective cybersecurity measures, helping organizations protect their critical assets from evolving cyber threats. With a workforce of around 66 employees, Axis Technologies combines expertise with a personalized approach to service delivery, ensuring that clients receive the attention and support necessary to enhance their security posture.

11. Zimperium

• Website: zimperium.com
• Ownership type: Private Equity
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 68%, India 6%, Germany 5%, Other 20%
• Latest funding: $525.0M, March 2022
• Founded year: 2010
• Headcount: 201-500
• LinkedIn: zimperium

Zimperium, Inc. is a mobile security company based in Dallas, Texas, founded in 2010. With a workforce of approximately 249 employees, Zimperium focuses on providing advanced security solutions specifically for mobile endpoints and applications. Their offerings include mobile threat defense (MTD) and application protection services, which are essential for enterprises across various sectors, including banking, healthcare, and retail. Zimperium's products are designed to help organizations secure sensitive data and ensure compliance with industry regulations. The company has gained significant traction in the mobile security space, particularly as mobile devices have become central to business operations. In March 2022, Zimperium secured $525 million in funding, reflecting strong investor interest and confidence in their innovative approach to mobile security. Their solutions are recognized for their effectiveness in combating threats such as mobile banking malware and phishing attacks, making them a relevant player in the information security industry.

12. Miller Jones, Inc.

• Website: millerjonesinc.com
• Ownership type: Private
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1995
• Headcount: 201-500
• LinkedIn: miller-jones-inc.

Miller Jones, Inc., based in Dallas, Texas, is a cybersecurity and IT consulting firm founded in 1995. The company specializes in a wide array of services, including cloud security, risk management, incident response, and managed security services. They focus on providing tailored solutions to businesses and organizations across various sectors, such as healthcare, oil and gas, and alternative energy. With a commitment to personalized service, Miller Jones, Inc. aims to help clients protect their data and effectively manage cybersecurity risks. Their expertise extends to areas like identity and access management, threat and vulnerability management, and enterprise incident management, showcasing their comprehensive approach to information security. The firm operates with a team of skilled professionals dedicated to enhancing the security posture of their clients, ensuring they are equipped to handle the evolving landscape of cyber threats.

13. Socialware

• Website: nexgate.com
• Ownership type: Corporate
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: United States (USA) 69%, Pakistan 25%, Canada 3%, Other 3%
• Latest funding: $35.0M, October 2014
• Founded year: 2011
• Headcount: 10001+
• LinkedIn: socialware

Socialware, known as Proofpoint, is a cybersecurity company based in Austin, Texas, founded in 2011. The firm specializes in protecting organizations from human-targeted cyber threats, offering a range of solutions that include email security, data loss prevention, and insider threat management. Their clientele spans multiple sectors, particularly in healthcare and finance, where the protection of sensitive data is paramount. With a workforce of approximately 288 employees, the company has established a significant presence in the cybersecurity market. Proofpoint has received substantial funding, amounting to $35 million in 2014, which has likely supported its growth and innovation in developing advanced security solutions. Their focus on a human-centric approach to cybersecurity reflects a growing recognition of the importance of user behavior in preventing data breaches and other security incidents.

14. Zyston LLC

• Website: zyston.com
• Ownership type: Private Equity
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 95%, Canada 3%, North Macedonia 3%
• Latest funding: July 2023
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: zyston

Zyston LLC, based in Dallas, Texas, is a cybersecurity service provider that specializes in managed cybersecurity solutions. Founded in 2016, the company has quickly positioned itself as a key player in the cybersecurity industry. Zyston offers a comprehensive suite of services, including managed detection and response, risk assessments, and penetration testing, aimed at helping businesses protect their information systems from evolving cyber threats. The company also addresses the pressing cybersecurity talent shortage by providing expert staffing solutions, ensuring that clients have the necessary skills to enhance their security posture. Zyston's proprietary CyberCAST software plays a central role in their service delivery, offering clients insights into their cybersecurity maturity and risk levels. The company has been recognized by various industry publications, highlighting its innovative approach and effectiveness in delivering cybersecurity solutions.

15. Apollo Information Systems

• Website: apollo-is.com
• Ownership type: Private
• Headquarters: Round Rock, Texas, United States (USA)
• Employee distribution: United States (USA) 96%, India 4%
• Founded year: 2002
• Headcount: 51-200
• LinkedIn: apollo-information-systems

Apollo Information Systems, founded in 2002 and based in Round Rock, Texas, is a cybersecurity firm dedicated to enhancing the security posture of its clients. The company specializes in a comprehensive suite of services that includes human threat intelligence, incident response, and managed security services. Apollo emphasizes the importance of proactive cybersecurity measures, aiming to prevent attacks before they occur. Their client base includes both enterprises and government entities, reflecting their capability to address a wide range of cybersecurity needs. The firm is also involved in election security, showcasing their adaptability to specific industry requirements. With a team of experienced professionals, Apollo focuses on building long-term relationships with clients, ensuring that their cybersecurity strategies are not only effective but also aligned with the clients' operational goals. Their approach is characterized by a commitment to continuous improvement and real-time adaptation to the changing threat environment.

16. Forcepoint

• Website: forcepoint.com
• Ownership type: Private Equity
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: United States (USA) 30%, India 30%, Ireland 6%, Other 34%
• Latest funding: $2.5B, July 2023
• Founded year: 1994
• Headcount: 1001-5000
• LinkedIn: forcepoint

Forcepoint, founded in 1994 and headquartered in Austin, Texas, is a cybersecurity company that specializes in data protection and security software solutions. With a workforce of approximately 1,780 employees, the company operates on a subscription-based model, providing software as a service (SaaS) to its clients. Forcepoint's product suite includes data loss prevention (DLP), cloud security services, and risk-adaptive protection, all designed to help organizations protect their sensitive information from breaches and unauthorized access. The company has a significant global footprint, with a workforce distributed across the United States, India, Ireland, Israel, and the United Kingdom. Recently, Forcepoint secured $2.45 billion in funding, underscoring its commitment to innovation and growth in the cybersecurity space. Their recognition as a leader in various industry reports further solidifies their role in the information security sector, making them a noteworthy entity for businesses seeking to enhance their cybersecurity posture.

17. Auriseg

• Website: auriseg.com
• Ownership type: Private
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: India 98%, United States (USA) 2%
• Founded year: 2014
• Headcount: 51-200
• LinkedIn: auriseg

Auriseg, founded in 2013 and based in Austin, Texas, is a cybersecurity consulting firm that specializes in security and compliance services. The company offers a comprehensive suite of services, including vulnerability management, penetration testing, incident response, and compliance consulting. Auriseg has built a reputation for helping organizations improve their cybersecurity posture and meet regulatory requirements across various sectors, including banking, finance, and telecommunications. With a workforce primarily located in India, Auriseg has expanded its operations globally, serving clients in multiple regions. The firm has successfully completed over 1,500 cybersecurity projects, demonstrating its capability and experience in the field. Auriseg is also recognized for its innovative approach to cybersecurity training and its involvement in the global security community, which keeps it updated on emerging threats and best practices.

18. SpyCloud

• Website: spycloud.com
• Ownership type: Venture Capital
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: United States (USA) 92%, United Kingdom (UK) 5%, Other 4%
• Latest funding: Series D, $110.0M, August 2023
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: spycloud

SpyCloud, founded in 2016 and based in Austin, Texas, is a cybersecurity firm specializing in identity threat protection and fraud prevention. The company offers automated solutions designed to help both businesses and consumers protect their digital identities from cyber threats. Their services cater to various industries, including financial services and e-commerce, focusing on preventing account takeovers and ransomware attacks. SpyCloud has established itself as a key player in the cybersecurity field, particularly through its innovative approaches to combating identity theft and fraud. The company recently secured $110 million in Series D funding in August 2023, reflecting strong investor confidence in its growth potential and the effectiveness of its solutions. SpyCloud's commitment to enhancing security measures and its proactive stance against cybercrime make it a notable entity in the information security industry.

19. Ntirety

• Website: ntirety.com
• Ownership type: Corporate
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: United States (USA) 77%, Canada 17%, Bulgaria 5%, Other 1%
• Latest funding: March 2014
• Founded year: 2019
• Headcount: 201-500
• LinkedIn: ntirety

Ntirety, founded in 2019 and based in Austin, Texas, is an IT services company that specializes in managed security and cloud services. With a workforce of around 191 employees, the company has quickly established itself in the industry by providing comprehensive solutions that help businesses secure their data and comply with various regulations. Their service offerings include managed detection and response, disaster recovery, and consulting services tailored to specific industries such as healthcare and fintech. Ntirety has built a reputation for its proactive approach to cybersecurity, emphasizing the importance of continuous monitoring and compliance. The company has also been recognized in the industry, appearing on CRN’s 2024 MSP 500 List, which highlights its innovative contributions to managed services. This recognition reflects their commitment to driving growth and efficiency for their clients through effective security solutions.

20. Virtuo Group Corporation

• Website: virtuogroup.com
• Ownership type: Private
• Headquarters: The Woodlands, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: virtuo-group

Virtuo Group Corporation, founded in 2001 and based in The Woodlands, Texas, is a cybersecurity consulting firm dedicated to enhancing the security posture of organizations. With a team of certified industry experts, Virtuo Group provides a range of services that include cybersecurity support, incident response, and security awareness training. They focus on helping businesses manage risks effectively and comply with various security standards. The company is also recognized for its commitment to employing service-disabled veterans and promoting diversity within its workforce. Virtuo Group has built a solid reputation in the cybersecurity industry, serving over 50 organizations across the United States. Their approach combines technical expertise with a deep understanding of client needs, ensuring that they deliver effective and agile cybersecurity solutions.

21. INTEGRITY Global Security

• Website: integrityglobalsecurity.com
• Ownership type: Private
• Headquarters: Temple, Texas, United States (USA)
• Employee distribution: United States (USA) 80%, Angola 10%, South Sudan 10%
• Founded year: 2008
• Headcount: 201-500
• LinkedIn: integrity-global-security

INTEGRITY Global Security, founded in 2008 and based in Temple, Texas, is a private cybersecurity company that focuses on securing sensitive information for both government and commercial clients. With a workforce of approximately 20 employees, the company has carved out a niche in the cybersecurity sector, particularly with its Secured with INTEGRITY Solution (SwIS) and Multi-Layer VPN offerings. These solutions are designed to provide secure remote access and data protection, addressing the needs of clients who handle classified and sensitive information. INTEGRITY Global Security has achieved the prestigious EAL 6+ certification, the highest security rating ever attained, which underscores their commitment to high assurance cybersecurity. Their partnerships, such as with Dell Technologies, enhance their product offerings, allowing for factory-configured secure devices that simplify user interactions with secured networks. The company also addresses the growing concerns around IoT security and ransomware threats, making them a relevant player in the information security industry.

22. CyberOne Security

• Website: cyberonesecurity.com
• Ownership type: Private
• Headquarters: Plano, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2012
• Headcount: 51-200
• LinkedIn: cyberonesecurity

CyberOne Security, founded in 2012 and based in Plano, Texas, is a cybersecurity consulting firm dedicated to enhancing the security postures of businesses and organizations. With a workforce of approximately 72 employees, the company specializes in a range of services including advisory, cloud security, and network security. CyberOne's clientele spans various sectors, including healthcare, financial services, and critical infrastructure, indicating their capability to handle complex cybersecurity challenges. They adopt a partnership approach, aligning their strategies with clients' objectives to deliver measurable outcomes. Their offerings also include virtual Chief Information Security Officer (vCISO) services and exposure management, showcasing their commitment to providing comprehensive security solutions. CyberOne Security has not reported any funding, which suggests they operate as a private entity focused on organic growth and client relationships.

23. RSI - Renaissance Systems, Inc.

• Website: rsitex.com
• Ownership type: Private
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1982
• Headcount: 11-50
• LinkedIn: renaissancesystemsinc

RSI - Renaissance Systems, Inc., based in Austin, Texas, has been a player in the cybersecurity and IT services industry since 1982. With a workforce of around 37 employees, the company specializes in managed security services, penetration testing, and custom software development. Their offerings are designed to help businesses enhance their cybersecurity posture and streamline IT operations. RSI focuses on proactive solutions, emphasizing risk management and compliance with industry standards. They provide a range of services, including incident response, business continuity planning, and cybersecurity training. Their commitment to quality and client relationships has allowed them to adapt to the changing needs of their clients over the years, ensuring they remain relevant in a competitive market.

24. Recon InfoSec

• Website: reconinfosec.com
• Ownership type: Private
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2018
• Headcount: 11-50
• LinkedIn: recon-infosec

Recon InfoSec, founded in 2018 and based in Austin, Texas, is a cybersecurity firm that specializes in Managed Security Operations. With a team of 11-50 employees, the company focuses on providing services such as threat detection, incident response, and continuous monitoring. They cater to various sectors, including banking and healthcare, where data security is paramount. Recon InfoSec partners with clients to enhance their security posture, ensuring that sensitive information is protected against evolving threats. Their commitment to transparency and client collaboration is evident in their approach to security operations. The firm is AICPA SOC 2® Type II certified, which underscores their dedication to maintaining high standards of data security and operational integrity. Additionally, they offer resources like webcasts and articles to educate clients and the broader community about cybersecurity best practices. This proactive engagement reflects their role as a knowledgeable player in the information security industry.

Information Security Insights: Key Companies in Texas

Company	Headquarter	Size	Founded	Ownership
Trellix	Plano, Texas, United States (USA)	1001-5000	2022	Corporate
Netwrix Corporation	Frisco, Texas, United States (USA)	501-1000	2006	Private Equity
IPSecure, Inc	San Antonio, Texas, United States (USA)	51-200	2000	Private
ON2IT Cybersecurity	Plano, Texas, United States (USA)	51-200	2005	Private
CoNetrix	Lubbock, Texas, United States (USA)	51-200	1977	Private
SandTech Solutions	San Antonio, Texas, United States (USA)	11-50	2012	Private
Cybalt	Plano, Texas, United States (USA)	51-200	2022	Private
Thales Cybersecurity Products	Austin, Texas, United States (USA)	1001-5000	1976	Corporate
Critical Start	Plano, Texas, United States (USA)	201-500	2012	Private Equity
Axis Technologies	Plano, Texas, United States (USA)	11-50	1998	Private
Zimperium	Dallas, Texas, United States (USA)	201-500	2010	Private Equity
Miller Jones, Inc.	Dallas, Texas, United States (USA)	201-500	1995	Private
Socialware	Austin, Texas, United States (USA)	10001+	2011	Corporate
Zyston LLC	Dallas, Texas, United States (USA)	51-200	2016	Private Equity
Apollo Information Systems	Round Rock, Texas, United States (USA)	51-200	2002	Private
Forcepoint	Austin, Texas, United States (USA)	1001-5000	1994	Private Equity
Auriseg	Austin, Texas, United States (USA)	51-200	2014	Private
SpyCloud	Austin, Texas, United States (USA)	51-200	2016	Venture Capital
Ntirety	Austin, Texas, United States (USA)	201-500	2019	Corporate
Virtuo Group Corporation	The Woodlands, Texas, United States (USA)	11-50	2001	Private
INTEGRITY Global Security	Temple, Texas, United States (USA)	201-500	2008	Private
CyberOne Security	Plano, Texas, United States (USA)	51-200	2012	Private
RSI - Renaissance Systems, Inc.	Austin, Texas, United States (USA)	11-50	1982	Private
Recon InfoSec	Austin, Texas, United States (USA)	11-50	2018	Private

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