The network security industry in Pennsylvania is a critical segment focused on safeguarding digital information and infrastructure. Companies within this sector provide services ranging from threat detection to compliance audits, addressing the rising challenges of cybercrime and data breaches. As digital transformation accelerates, the demand for robust cybersecurity measures is increasing. Notably, Pennsylvania hosts a blend of both startups and well-established firms, highlighting a mix of innovation and experience. The industry is expected to evolve further with advancements in technologies like artificial intelligence and machine learning, reshaping how businesses protect their assets against ever-evolving threats.

The companies featured in this list range from small firms to those with hundreds of employees, primarily based in various locations across Pennsylvania, such as Pittsburgh and Philadelphia. Founded between 1945 and 2021, these firms specialize in various services within the network security sphere, including managed IT support, penetration testing, and cybersecurity consulting. Their workforce typically varies from a small team tailored for personalized services to larger teams capable of extensive operations, contributing remarkably to protecting client data across different sectors like healthcare and finance.

Continue reading to explore the premier network security companies in Pennsylvania.

Top 20 Network Security Companies in Pennsylvania

1. Morefield

• Website: morefield.com
• Ownership type: Private
• Headquarters: Camp Hill, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1945
• Headcount: 51-200
• LinkedIn: morefield-communications

Morefield Communications, based in Camp Hill, Pennsylvania, has been operational since 1945, providing comprehensive IT services tailored to the needs of businesses across multiple sectors. The company specializes in managed IT services, cybersecurity, cloud infrastructure, and collaboration tools. Their cybersecurity services are particularly noteworthy, featuring vulnerability assessments, cybersecurity assessments, and virtual CISO services, which help organizations safeguard their sensitive data. Morefield serves a variety of clients, including healthcare providers, legal firms, and nonprofits, demonstrating their ability to adapt to different industry requirements. With a workforce of around 96 employees, Morefield combines local expertise with a broad range of technology solutions, aiming to enhance operational efficiency and security for its clients.

2. ONE2ONE Inc

• Website: one2oneinc.com
• Ownership type: Private
• Headquarters: Lancaster, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 92%, Kenya 8%
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: one2one_inc

ONE2ONE Inc, founded in 2001 and based in Lancaster, Pennsylvania, is a private consulting firm that specializes in IT solutions. With a team of around 40 employees, the company focuses on providing comprehensive cybersecurity services, managed IT support, and IT consulting tailored to the specific needs of its clients. Their clientele spans various sectors, indicating a broad applicability of their services. ONE2ONE Inc offers a range of cybersecurity solutions, including advanced firewall protection, endpoint detection and response, and security awareness training. They also provide managed IT services, ensuring that businesses can maintain robust IT infrastructures while focusing on their core operations. The company emphasizes a partnership approach, working closely with clients to enhance their IT security posture and operational efficiency.

3. Clone Systems Inc

• Website: clone-systems.com
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 53%, Greece 16%, India 16%, Other 16%
• Founded year: 1998
• Headcount: 11-50
• LinkedIn: clone-systems-inc-

Clone Systems Inc, founded in 1998 and based in Philadelphia, Pennsylvania, is a cybersecurity firm dedicated to safeguarding digital assets for businesses. With a workforce of 11-50 employees, the company specializes in a range of services including threat detection, compliance scanning, and vulnerability assessments. Their primary clientele consists of businesses that require robust security measures to protect sensitive information and adhere to industry regulations. Clone Systems operates on a subscription-based model, providing managed security services and consulting to help clients effectively manage cyber risks. Their offerings include SOC as a Service, SIEM with EDR, and various penetration testing services, all designed to enhance the security posture of their clients. The company has established a presence not only in the United States but also in international markets, reflecting their capability to serve a global customer base. They emphasize continuous improvement and adaptation to the evolving cybersecurity landscape, making them a relevant player in the industry.

4. EMBER Managed Security and IT

• Website: emberit.com
• Ownership type: Private
• Headquarters: King Of Prussia, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2013
• Headcount: 11-50
• LinkedIn: ember-it

EMBER Managed Security and IT, founded in 2013 and based in King of Prussia, Pennsylvania, is a private technology consulting and managed services provider. The company focuses on cybersecurity and IT solutions, catering to businesses in mission-critical sectors. EMBER offers a wide range of services, including security operations, IT management, and strategic consulting. Their expertise spans managed threat detection and response, security information and event management, and business continuity planning. EMBER's commitment to enhancing clients' security posture is evident in their tailored solutions and consultative approach. They work closely with organizations to address their unique challenges, ensuring operational resilience in an increasingly complex digital environment. With a team of 24 employees, EMBER emphasizes a security-first mindset, positioning itself as a trusted partner for organizations navigating the evolving cybersecurity landscape.

5. Advent Communications

• Website: adventcom.com
• Ownership type: Private
• Headquarters: Washington, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: advent-communications

Advent Communications, founded in 2005 and based in Washington, Pennsylvania, is a private IT service provider that specializes in communications and cybersecurity solutions. With a workforce of approximately 45 employees, the company has carved out a niche in delivering tailored IT services to businesses across multiple sectors, including education, healthcare, and finance. Their service portfolio includes cloud phone solutions, network management, and building security systems, but it is their cybersecurity offerings that stand out. Advent provides comprehensive cybersecurity services, including 24/7 network monitoring, endpoint protection, email security, and dark web monitoring, which are essential for protecting businesses from evolving cyber threats. Their approach emphasizes collaboration with clients to develop customized technology plans that enhance operational efficiency and security. Advent Communications has established itself as a trusted partner for organizations looking to bolster their cybersecurity posture and ensure the integrity of their IT systems.

6. Netizen Corporation

• Website: netizen.net
• Ownership type: Private
• Headquarters: Allentown, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 90%, India 10%
• Founded year: 2013
• Headcount: 11-50
• LinkedIn: netizen-corporation

Netizen Corporation, founded in 2013 and based in Allentown, Pennsylvania, is a private cybersecurity firm with a workforce of approximately 29 employees. The company focuses on delivering comprehensive cybersecurity solutions and compliance support tailored for both government and commercial clients. Their service offerings include risk assessments, penetration testing, managed security, and compliance with various regulatory frameworks such as NIST RMF and CMMC. Netizen has established itself as a trusted partner for organizations needing to navigate the complexities of data protection and regulatory compliance. They have received accolades for their rapid growth and innovative approaches, particularly in supporting government programs. Their team is composed of certified professionals who are well-versed in the latest cybersecurity practices, ensuring that they remain at the forefront of the industry. Netizen's commitment to enhancing cybersecurity measures is evident through their proactive solutions and educational initiatives, which aim to prepare clients for the ever-changing threat landscape.

7. NET Xperts LLC

• Website: thenetxperts.com
• Ownership type: Private
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: net-xperts-llc

NET Xperts LLC, based in Pittsburgh, Pennsylvania, is an IT service provider that has been operational since 2002. With a team of 29 employees, the company focuses on computer network support, managed services, cloud computing, and cybersecurity solutions. NET Xperts caters primarily to businesses in the Pittsburgh area, offering reliable IT support aimed at enhancing operational efficiency and security. Their cybersecurity offerings include NET X Phishing, NET X SIEM, NET X Vulnerability Scan, and NET X Dark Web Monitoring, showcasing their commitment to protecting client data and networks. The company has received accolades for its performance, ranking highly in various industry lists, including the MSPmentor 501 Global List, which highlights its status as a significant player in the managed services and cybersecurity sectors. NET Xperts is also recognized for its ethical business practices, having been a finalist for the BBB Torch Award for Ethics. This combination of services and recognition underscores their active role in the network security industry.

8. The Protection Bureau

• Website: protectionbureau.com
• Ownership type: Corporate
• Headquarters: Exton, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: October 2021
• Founded year: 1975
• Headcount: 51-200
• LinkedIn: the-protection-bureau

The Protection Bureau, based in Exton, Pennsylvania, is a security solutions provider that has been serving clients since 1975. As part of Pavion, the company specializes in electronic security, cyber security, and active monitoring services. They cater to businesses and organizations that require robust protection against security threats. The Protection Bureau is known for delivering customized security solutions, ensuring that clients receive ongoing support to safeguard their assets. Their services include access control, video surveillance, and perimeter defense, alongside comprehensive cyber security measures designed to protect infrastructure and sensitive information. With a commitment to quality service and the latest technology, The Protection Bureau has established itself as a reliable partner in the security industry.

9. Certes

• Website: certesnetworks.com
• Ownership type: Private Equity
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Employee distribution: India 44%, United States (USA) 26%, United Kingdom (UK) 18%, Other 12%
• Latest funding: Series A, January 2016
• Founded year: 2000
• Headcount: 51-200
• LinkedIn: certes-dprm

Certes, based in Pittsburgh, Pennsylvania, is a cybersecurity firm founded in 2000. The company specializes in data protection solutions, particularly through its innovative Data Protection Risk Mitigation (DPRM) service. Certes focuses on protecting sensitive data as it traverses various networks, including third-party networks and multi-cloud environments. Their solutions are designed to mitigate risks associated with data breaches and ensure compliance with regulatory requirements. With a global presence, Certes serves a clientele that includes Managed Service Providers and Tech Partners, emphasizing their commitment to data integrity and security. The company has established itself as a significant player in the cybersecurity industry, safeguarding an impressive volume of data and maintaining a strong focus on ransomware protection. Certes has not reported any recent funding, indicating a stable operational model since its last funding round in 2016.

10. Total Technology Resources

• Website: thetechresource.com
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2004
• Headcount: 11-50
• LinkedIn: total-technology-resources-llc

Total Technology Resources, based in Philadelphia, Pennsylvania, is an IT services company founded in 2004. With a team of 19 employees, the firm focuses on providing technology solutions primarily for small and medium-sized businesses. Their service offerings include cybersecurity protection, network monitoring, and cloud services, all aimed at enhancing IT infrastructure and ensuring data security. The company serves a wide range of industries, including medical, legal, and manufacturing, which highlights their adaptability and understanding of sector-specific needs. Total Technology Resources prides itself on its proactive approach to IT management, emphasizing disaster recovery and compliance services, such as PCI compliance. Their expertise in IT forensics and penetration testing further solidifies their role in the network security industry, making them a relevant player in this field.

11. Concensus Technologies

• Website: concensus.com
• Ownership type: Private
• Headquarters: Cranberry Township, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: concensus-technologies

Concensus Technologies, founded in 2006 and based in Cranberry Township, Pennsylvania, is a private IT solutions provider with a focus on cybersecurity and managed services. The company caters primarily to small and mid-sized businesses, particularly in the Pittsburgh area, offering a range of services designed to protect organizations from cyber threats. Their expertise includes Identity & Access Management, Security Operations Center (SOC) services, and various cybersecurity solutions such as penetration testing, vulnerability management, and security awareness training. With a team of certified IT professionals, Concensus Technologies emphasizes a proactive approach to cybersecurity, ensuring compliance with industry standards and helping clients navigate the complexities of modern cyber threats. Their commitment to providing tailored solutions and ongoing support has established them as a trusted partner for businesses seeking to enhance their security posture.

12. Shock I.T. Support

• Website: shockit.com
• Ownership type: Corporate
• Headquarters: Bristol, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: April 2025
• Founded year: 1986
• Headcount: 51-200
• LinkedIn: shock-i-t-support

Shock I.T. Support, founded in 1986 and based in Bristol, Pennsylvania, is an IT support company that specializes in managed IT services, cybersecurity, and cloud hosting solutions. With a workforce of around 16 employees, the company primarily serves small to medium-sized businesses across various sectors, including healthcare, finance, and legal services. Their cybersecurity offerings are designed to protect clients from evolving threats, ensuring that sensitive data remains secure. Shock I.T. Support has built a reputation for reliability and expertise in the tri-state area, particularly in New Jersey and Pennsylvania. They provide both in-house and outsourced IT services, allowing businesses to choose the support model that best fits their needs. Their commitment to customer service and proactive IT management has made them a trusted partner for many organizations looking to enhance their technology infrastructure.

13. Velaspan

• Website: velaspan.com
• Ownership type: Private
• Headquarters: Allentown, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 96%, United Kingdom (UK) 4%
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: velaspan

Velaspan, founded in 2004 and based in Allentown, Pennsylvania, is a technology firm that specializes in wireless networking and cybersecurity solutions. With a workforce of approximately 51-200 employees, the company has carved out a niche in providing enterprise WiFi and managed cybersecurity services to various industries, including healthcare, education, and manufacturing. Velaspan's approach is characterized by a commitment to understanding the unique needs of each client, allowing them to deliver customized solutions. Their cybersecurity services range from consulting to managed services, focusing on risk assessment, compliance, and incident response. Notably, Velaspan has introduced innovative offerings such as Deception-as-a-Service, which aims to outsmart cybercriminals by creating traps for potential threats. This evolution in their service portfolio reflects their adaptability and expertise in addressing the ever-changing challenges in cybersecurity.

14. Securis360 Inc.

• Website: securis360.com
• Ownership type: Private
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Employee distribution: India 96%, Australia 4%
• Founded year: 2021
• Headcount: 51-200
• LinkedIn: securis360

Securis360 Inc., based in Pittsburgh, Pennsylvania, is a cybersecurity firm established in 2021. The company specializes in providing a variety of technical and compliance services aimed at helping businesses secure their data and adhere to industry regulations. Their offerings include vulnerability assessments, penetration testing, and compliance audits, with a strong emphasis on standards such as ISO 27001 and GDPR. Securis360 operates through a consulting model, allowing them to customize their services to meet the unique needs of their clients. With a workforce primarily located in India, the company has positioned itself to serve a global clientele, focusing on both technical security measures and compliance management. Their commitment to thorough assessments and tailored solutions reflects a proactive approach to cybersecurity, making them a notable player in the industry.

15. GO2Tech

• Website: go2tech.com
• Ownership type: Private
• Headquarters: Springfield, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: go2tech

GO2Tech, based in Springfield, Pennsylvania, is an IT consulting and managed services provider that has been operational since 2002. The company specializes in cybersecurity, physical security, network services, business communications, and cloud solutions. With a team of approximately 28 employees, GO2Tech focuses on delivering tailored technology solutions to businesses in the Greater Philadelphia area. Their cybersecurity services include a managed IT security bundle, cyber insurance consulting, and vulnerability assessments, showcasing their commitment to protecting clients from digital threats. GO2Tech has built a reputation for providing quality service and has received multiple accolades, including recognition as a seven-time Philly 100 Award winner. Their approach emphasizes partnership and collaboration, ensuring that clients receive personalized support to enhance their security posture and operational efficiency.

16. IntegraONE

• Website: integraone.com
• Ownership type: Private
• Headquarters: Allentown, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1990
• Headcount: 51-200
• LinkedIn: integraone

IntegraONE, founded in 1990 and based in Allentown, Pennsylvania, is a private IT service provider that specializes in comprehensive IT solutions tailored for businesses across multiple sectors. With a workforce of approximately 95 employees, the company has built a reputation for delivering personalized service and local support. IntegraONE offers a wide range of services, including security, data management, networking, and cloud solutions, catering to small, mid-market, and enterprise-level organizations. Their focus on security is particularly notable, as they work closely with clients to develop a robust security architecture and IT strategy, ensuring protection against cyber threats. The company has also been recognized in the industry, being named to CRN’s 2023 MSP 500 list, which highlights their commitment to excellence in managed services. IntegraONE's approach is characterized by long-term client relationships, with many clients enjoying partnerships that span decades, reflecting their dedication to understanding and addressing the unique challenges faced by each business.

17. United Datacom Networks, Inc.

• Website: udni.com
• Ownership type: Private
• Headquarters: Altoona, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: united-datacom-networks-inc-

United Datacom Networks, Inc. (UDNI), founded in 2012 and based in Altoona, Pennsylvania, is a private IT service provider that specializes in cybersecurity and IT management solutions tailored for small to medium-sized businesses. With a team of approximately 34 employees, UDNI has carved out a niche in the Central Pennsylvania market, addressing the unique challenges faced by various industries, including healthcare, finance, education, and manufacturing. The company offers a comprehensive suite of services, including cybersecurity consulting, data backups, disaster recovery, and security awareness training. UDNI is committed to following best practices in cybersecurity, notably adhering to NIST standards, which underscores their dedication to protecting client assets. Their focus on rapid response times and high first-contact resolution rates reflects their commitment to client satisfaction and operational efficiency. UDNI has not reported any funding, indicating a self-sustained growth model.

18. Appalachia Technologies, LLC

• Website: appalachiatech.com
• Ownership type: Private
• Headquarters: Mechanicsburg, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2004
• Headcount: 11-50
• LinkedIn: appalachia-technologies-llc

Appalachia Technologies, LLC, based in Mechanicsburg, Pennsylvania, is an IT services and cybersecurity firm founded in 2004. With a team of 43 employees, the company provides a wide range of services aimed at helping businesses navigate complex IT challenges and safeguard against cyber threats. Their offerings include managed IT services, cybersecurity assessments, and consulting, with a strong emphasis on client experience. Appalachia Technologies is particularly noted for its cybersecurity services, which include penetration testing, breach response, and multi-factor authentication. The firm has built a reputation for its commitment to high-quality service and has established itself as a trusted partner for businesses across various sectors. They have also engaged in strategic mergers and acquisitions to expand their capabilities, particularly in compliance and risk management, further solidifying their position in the cybersecurity industry.

19. Omega Systems

• Website: omegasystemscorp.com
• Ownership type: Private Equity
• Headquarters: Reading, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Latest funding: January 2025
• Founded year: 2002
• Headcount: 51-200
• LinkedIn: omega-systems_2

Founded in 2002 and based in Reading, Pennsylvania, Omega Systems is a managed IT services provider that specializes in cybersecurity, compliance, and cloud solutions. With a workforce of approximately 205 employees, the company has built a reputation for delivering tailored IT services to sectors such as banking, investment management, and healthcare. Their approach combines proactive IT support with strategic consulting, helping clients navigate complex technology challenges while enhancing operational efficiency and security. Omega Systems offers a variety of services, including managed cybersecurity, vulnerability assessments, and compliance management, all designed to protect sensitive data and ensure regulatory adherence. Their commitment to customer service and innovation has earned them recognition in the industry, including awards for growth and excellence in managed services.

20. PacketViper

• Website: packetviper.com
• Ownership type: Venture Capital
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Latest funding: Convertible note, May 2016
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: packetviper-llc

PacketViper, founded in 2011 and based in Pittsburgh, Pennsylvania, is a cybersecurity firm that specializes in active defense solutions tailored for IT and OT environments. The company offers a suite of products, including IT360™, OT360™, and Deception360™, which are designed to help organizations mitigate cyber threats effectively. Their solutions are particularly relevant for sectors that require robust cybersecurity measures to protect critical infrastructure and sensitive data. PacketViper's approach emphasizes the importance of contextual and dynamic policies to combat the challenges posed by unknown threats. The company has gained recognition in the cybersecurity industry, notably being named a Tech Innovator in the Gartner® Emerging Tech report, highlighting its commitment to innovation and effectiveness in addressing modern cybersecurity challenges.

Network Security Insights: Key Companies in Pennsylvania

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