Carson & SAINT Corporations
Cybersecurity and risk management company based in Maryland, US; 18 employees, $10M revenue, founded 1998; provides cybersecurity services including penetration testing, vulnerability management, consulting, compliance, and IT security; active penetration testing capabilities confirmed through dedicated service pages, PCI compliance references, and multimedia content.
Inacom Information Systems
Maryland-based IT service provider specializing in cybersecurity and penetration testing; offers risk assessments, vulnerability testing, and security consulting since 1982, serving Salisbury, MD and the Delmarva region.
Dhara Consulting Group, Inc.
Maryland-based cybersecurity firm headquartered in Rockville, MD; specializes in penetration testing and red team operations, with verified service offerings in cybersecurity assessments.
Cyntell
Cybersecurity firm based in Bethesda, Maryland, specializing in military-grade security and compliance services; offers penetration testing (pentest) capabilities involving active, simulated attacks to identify vulnerabilities.
Ardalyst
Cybersecurity-focused IT services and consulting company based in Annapolis, Maryland; 38 employees with -9.6% YoY growth; offers digital transformation, outsourcing, staffing, and penetration testing services, with active industry engagement and partnerships.
System Source
System Source is a Maryland-based IT and AV solutions provider specializing in IT training, managed services, computer sales, cloud services, presentation systems, and penetration testing; headquartered in Hunt Valley, MD, with verified local addresses and active penetration testing capabilities.
CTG: Cybersecurity & Managed IT Services in White Marsh, MD
Maryland-based cybersecurity company with 19 years of experience; offers penetration testing, vulnerability assessments, and managed security services to protect businesses from digital threats.
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Tenable
Cybersecurity company specializing in exposure management and penetration testing; 1,530 employees; $974.6M annual revenue; headquartered in Columbia, Maryland, USA; $5.5B market cap; $565.4M funding; offers AI-powered security visibility and risk management solutions, with a focus on closing cybersecurity gaps through pentest services.
ANALYGENCE
ANALYGENCE is a private cybersecurity and intelligence company based in Fulton, Maryland, with 191 employees and $10M annual revenue. It specializes in cyber threat detection, vulnerability management, penetration testing, and offensive cyber operations, supported by subject matter experts. Founded in 2010, it actively supports NIST cybersecurity initiatives and maintains a strong focus on cyber solutions and research.
eTrepid
Maryland-based MSSP providing cybersecurity solutions with explicit penetration testing services, including simulated cyberattacks to assess security defenses; offers secure IT solutions for business compliance.
Cloud9 Data Solutions
Maryland-based cybersecurity provider specializing in penetration testing services, including Penetration Testing and PTaaS; employs over 16 experts with 36+ IT certifications, serving business, non-profit, EDU, and government clients.
CyberLynx
CyberLynx is a Maryland-based managed IT services provider specializing in cybersecurity, including penetration testing, ethical hacking, and vulnerability assessments; it offers rapid support and guarantees protection and satisfaction, with headquarters at Bethesda, MD.
Fraunhofer USA Center Mid-Atlantic (CMA)
Research services company specializing in AI/ML, data quality, software engineering, and 5G applications; 16 employees; founded 1998; headquartered in Riverdale, Maryland, USA; actively conducts penetration testing, including a cyber penetration lab for medical devices to assess and mitigate vulnerabilities.
BlueSteel Cybersecurity
Maryland-based cybersecurity firm specializing in penetration testing services; offers network, application, and SaaS pentests; develops humanized compliance programs for Healthcare, Finance, Education, and Defense sectors; headquartered in Baltimore, MD.
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SMX
Cybersecurity company specializing in penetration testing and advanced cybersecurity solutions; headquartered in Hollywood, Maryland, USA; offers active pentest services including 'World-Class Penetration Testing and Advanced Hunting' as part of its cybersecurity capabilities.
Dataprise
IT services and consulting provider specializing in managed IT, cybersecurity, and penetration testing; 306 employees, $73.5M revenue, founded 1995 in Rockville, Maryland, USA; ranked #629,955 globally with a strong web presence and recognized for industry leadership.
RedZone Technologies
Cybersecurity service provider based in Annapolis, Maryland; specializes in penetration testing, ethical hacking, and vulnerability assessments with a focus on robust security solutions for digital transformation and IT environments.
Csios Corporation
Veteran-owned small business specializing in cyberspace operations and cybersecurity services; headquartered in Rockville, Maryland; offers penetration testing services confirmed by GSA eLibrary listing; holds ISO 9001:2015, ISO/IEC 20000-1:2018, ISO 22301:2019, and ISO/IEC 27001:2022 certifications; serves U.S. federal clients worldwide.
NIT Services
Maryland-based cybersecurity company specializing in assessment and authorization, continuous monitoring, penetration testing, security policies, risk assessments, and incident response for government and commercial systems; SBA certified HUBZone business; part of XentIT.
Ardent Privacy
Cybersecurity company specializing in data privacy, compliance, and security; offers penetration testing services to identify vulnerabilities; headquartered in Catonsville, Maryland, United States.
Tailored Access, LLC
IT services and consulting company specializing in cybersecurity for defense and intelligence; 49 employees, $26.6M revenue, founded 2007 in Annapolis Junction, MD; provides penetration testing and vulnerability assessments, serving critical national security functions.
PLEX Solutions, LLC
Cybersecurity consultancy specializing in tailored cybersecurity solutions, software development, and cyber operations; 69 employees with 3.1% YoY decline, $16.2M revenue; based in Bethesda, Maryland, USA; provides penetration testing services, blending advanced tactics with deep mission experience.
SixMap
Cybersecurity firm specializing in penetration testing and attack surface management; based in Columbia, Maryland, United States; provides proactive pentest solutions and asset exploitability validation.
Imperial Cyber Group LLC
Cybersecurity company specializing in penetration testing; headquartered in Baltimore, Maryland, United States; provides expert cyber defense solutions including pentest services to safeguard digital assets.
Zdaas
Maryland-based IT services company specializing in technology consulting, software solutions, and IT staffing; offers penetration testing services for cybersecurity assessments.
DataLink Interactive
Maryland-based IT services company specializing in managed support, network security, and penetration testing; provides explicit pentest services including vulnerability assessments and ethical hacking; headquartered at 1120 Benfield Blvd., Millersville, MD 21108.
ARSIEM
Cybersecurity and IT consulting firm based in Baltimore, Maryland; specializes in cybersecurity solutions including penetration testing; committed to serving employees, clients, and the nation.
Vidoori Inc.
Cybersecurity firm headquartered in Hyattsville, Maryland; specializes in penetration testing services as confirmed by official capability documents.
CyberMaxx
CyberMaxx is a Maryland-based private cybersecurity firm with 123 employees, specializing in managed detection and response (MDR) and offensive security services, including penetration testing and red teaming; last funding was a debt round in March 2025, and they recently acquired Cybersafe Solutions LLC. The company is a leading provider in its market, with a monthly web presence of 7,354 visits and a global rank of #2,804,148.
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SIXGEN
Cybersecurity firm specializing in penetration testing services; headquartered in Annapolis, Maryland, United States • Focuses on offensive security and vulnerability assessments, actively providing pentest services as evidenced by job postings and service descriptions.
Web Works Inc
Cybersecurity company based in Maryland, United States; provides managed IT services, cloud migration, and cybersecurity solutions including penetration testing to identify and fix vulnerabilities.
CSI Exa
Cybersecurity firm based in Hyattsville, Maryland, providing comprehensive penetration testing services including internal and external network, web & mobile app, and wireless assessments; specializes in quality and thorough security evaluations.
Luminary A.C.E.
Cybersecurity consulting firm specializing in automation, cybersecurity, and engineering; headquartered in Millersville, Maryland, with services including penetration testing and social engineering to assess vulnerabilities and improve security posture.
B/Net Systems
Managed IT services provider based in Annapolis, Maryland; offers cybersecurity, cloud strategies, and IT support for SMBs; performs penetration testing through partner collaborations, supporting security assessments and reviews.
Camelot Secure
Cybersecurity company based in Maryland, United States; provides penetration testing services including External, Internal, and Web testing to identify and exploit vulnerabilities, demonstrating active engagement in security assessments.
Tarika Group
Cybersecurity firm based in Marriottsville, Maryland; provides penetration testing services to simulate cyber-attacks and assess security defenses; over 18 years of experience in IT solutions and security testing.
Edgewater
Cybersecurity solutions provider specializing in offensive security and penetration testing; headquartered in Frederick, Maryland, United States, with a focus on aligning business and technology needs to improve performance and safeguard investments.
Cyberlinx Solutions LLC
Cyberlinx Solutions LLC is a Maryland-based cybersecurity company specializing in penetration testing services; headquartered in Fulton, Maryland, with a focus on security assessments and vulnerability testing.
Seltec
Cybersecurity firm based in Maryland, US, specializing in penetration testing; offers active vulnerability identification and exploitation services with automation for remediation; located in Westminster and Bethesda, MD.
InfoPathways
Cybersecurity and IT support company based in Westminster, Maryland; provides penetration testing, cybersecurity assessments, compliance, and network solutions; specializes in human-centered IT services to enhance security and operational efficiency.
Secure Halo
Cybersecurity company headquartered in Silver Spring, Maryland, United States; provides enterprise risk and cybersecurity solutions including penetration testing services such as external, internal, web application, social engineering, and physical testing.
Xentit
Cybersecurity firm based in Maryland, United States; provides penetration testing, security assessments, and vulnerability remediation services; headquartered in Landover, MD with additional office in Peachtree Corners, GA.
Cas Severn, Inc
Cybersecurity firm headquartered in Maryland, US; specializes in penetration testing for applications, networks, and hardware; over 40 years of experience serving public sector, healthcare, and financial industries; GSA contractor.
Primeon, Inc
IT services and consulting company specializing in enterprise application security, penetration testing, cloud security assessments, and code reviews; 11 employees with 3.7% YoY growth, $26.9M revenue; founded 1995; headquartered in Woburn, Massachusetts.
Miracle Cyber
Cybersecurity and IT consulting company specializing in penetration testing, web application penetration testing, incident response, and digital forensics; based in Andover, Massachusetts with 8 employees and founded in 2021.
K logix
IT services and cybersecurity consulting company specializing in penetration testing; 36 employees, $2M revenue, founded 2001, headquartered in Brookline, MA, USA; offers risk assessment, security training, compliance, and threat assessment services.
Towerwall, Inc.
Cybersecurity company specializing in penetration testing and security assessments; 13 employees, $2.5M revenue, founded 1999, headquartered in Framingham, MA; focuses on transforming cybersecurity into a competitive edge through comprehensive services and active industry engagement.
Net Compliance Solutions
Cybersecurity and network security company specializing in penetration testing, vulnerability assessments, and compliance consulting; provides penetration testing, vulnerability scans, web and mobile security, code reviews, endpoint security, and data protection; founded 2004; based in Seekonk, Massachusetts; $25M-$50M revenue; 3 employees.
GraVoc
IT and services company specializing in software development, cybersecurity, and penetration testing; offers internal/external pentest, Active Directory security assessment, and adversary simulation; 55 employees, $12.2M revenue, founded 1994, Peabody, MA.
Netragard, Inc
Netragard, Inc is a private cybersecurity company specializing in penetration testing and vulnerability research; with 9 employees, $10.1M annual revenue, founded in 2006, headquartered in Acton, Massachusetts, USA, offering cloud penetration testing, security advisory, and consulting services, and active in security research and community engagement.
Radical Security
Cybersecurity company specializing in penetration testing services such as PCI-DSS compliance, segmentation, and web app assessments; 4 employees with 133.3% YoY growth; headquartered in Stoughton, MA.
Phenomenati
Cybersecurity consulting firm providing advisory, penetration testing, threat modeling, and internal audits; 7 employees; founded 2016; based in Boston, Massachusetts, United States; specializes in security strategy, risk assessment, and security testing services.
Rapid7
Cybersecurity company specializing in attack surface management, vulnerability management, penetration testing, and security programs; 2,068 employees, $858.7M annual revenue, $2.5B market cap, founded in Boston, MA; offers penetration testing services to identify and remediate security weaknesses.
Omega Security Partners
Cybersecurity consulting firm specializing in penetration testing, assessments, and security programs; 3 employees with +66.7% YoY growth; founded 2017; headquartered in Boylston, Massachusetts, United States; provides personalized cybersecurity services with 19 years of industry experience.
Microtime Computers, Inc/Dental IT Solutions
IT services and consulting company specializing in cybersecurity, including penetration testing, vulnerability assessments, and network scanning; 21 employees; $17M annual revenue; founded 2001; headquartered in Andover, MA.
8kSec
Cybersecurity consulting and training company specializing in penetration testing, mobile security, and vulnerability research; founded in 2022 with 2 employees in Malden, Massachusetts, USA. Known for offering free security labs and challenges to address real-world skills gaps, with 36,666 monthly visits and a global rank of #797,002.
Randori, an IBM Company
Cybersecurity company specializing in attack surface management, offensive security, and penetration testing; 14 employees with -48.8% YoY growth, $8.4M annual revenue, founded 2018 in Waltham, MA; $29.8M total funding, Series A in 2020; offers attack platform for red teaming and adversary simulation.
Penetra Cybersecurity
IT services and cybersecurity company specializing in penetration testing, threat detection, and infrastructure protection; founded in 2024, based in Boston, MA, with 2 employees and a focus on proactive security solutions.
Zifino
Cybersecurity company specializing in automated vulnerability scanning and penetration testing; 5 employees with 20% YoY growth; based in Boston, Massachusetts, USA; offers scalable, AI-native cybersecurity solutions for web assets with a focus on ease of use and cost-effectiveness.
OCD Tech
Cybersecurity consulting firm specializing in penetration testing, SOC 2 reports, and compliance assessments; 20 employees, $5M-$25M revenue, founded 2012, based in Braintree, MA; serves financial, government, enterprise, and auto sectors.
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Colossus Technologies Group
Cybersecurity and technology consulting firm specializing in cybersecurity, IT/cloud, devops, and technical executive consulting; 7 employees; based in Boston, Massachusetts; offers penetration testing services as part of security solutions; global web rank #9,603,588; active in recent tech, finance, and sports news.
SecureFLO
SecureFLO is a private cybersecurity company founded in 2011 and based in Concord, Massachusetts, with 6 employees and 66.7% YoY growth. It specializes in penetration testing, vulnerability scanning, risk assessment, and cloud security for financial, healthcare, insurance, and SaaS/PaaS sectors. The firm emphasizes standards-based security, compliance, and risk mitigation, offering assessments, penetration testing, vulnerability scans, and security architecture services.
FireCompass
Cybersecurity company specializing in automated recon, pen testing, red teaming, and attack surface management; 65 employees, $2.8M annual revenue, founded 2019 in Boston, MA; offers SaaS platform for continuous attack surface monitoring and autonomous penetration testing; $7M funding, recent innovations include AI-driven ethical hacking.
Salt Cybersecurity
Salt Cybersecurity is a Boston-based private cybersecurity company founded in 2016, with 3 employees and +33.3% YoY growth. It provides an all-in-one cybersecurity solution, including penetration testing, security assessments, security awareness, and vCISO services, focusing on securing business operations and safeguarding data.
StopAHack.com®
Cybersecurity company specializing in network and computer security; veteran-owned firm with 9 employees, founded in 2021, based in Marlborough, Massachusetts, USA, with $1M-$5M annual revenue. Provides elite cyber defense, penetration testing, and threat mitigation services to Fortune 500s and government agencies, focusing on breach prevention and network fortification.
CulperSec
Cybersecurity company specializing in penetration testing, risk management, and compliance software; founded in 2021, with 2 employees, headquartered in Boston, Massachusetts, United States; provides professional cybersecurity services including penetration testing, with recent activity involving a short report on Kaspi.kz and active social media presence.
Arsenal Cyber Force
Cybersecurity company specializing in penetration testing services; offers on-demand, monthly, and quarterly pentests; based in Boston, MA with 2 employees; focuses on digital asset security and privacy for clients including CEDIA integrators.
UnRavl Technologies
Cybersecurity consulting firm specializing in penetration testing; offers simulated cyberattack assessments, web application testing, and remediation guidance; based in Greater Boston, Massachusetts, USA.
Braided Technologies
Cybersecurity firm specializing in penetration testing services; headquartered in Haverhill, MA, Massachusetts, United States, with a focus on cybersecurity consulting and compliance.
aNetworks, Inc.
Managed security service provider based in Norwell, MA; offers vetted cybersecurity solutions and network penetration testing services to organizations, emphasizing a security-first approach.
Iterators LLC
Iterators LLC is a women-owned small business specializing in accessibility testing and remediation; based in Boston, Massachusetts, with 8 employees and founded in 2017. It is recognized for its contributions to accessible web solutions, with recent awards and industry recognition, and maintains a modest web presence with 1,296 monthly visits.
Rutter Networking Technologies
Massachusetts-based IT solutions provider offering managed IT services, cybersecurity, and networking; explicitly provides penetration testing with at least annual assessments and remediation plans, emphasizing proactive security testing capabilities.
Fellsway Group, LLC
Fellsway Group, LLC is a cybersecurity-focused business consulting firm based in Woburn, Massachusetts; founded in 2017, with 7 employees. The company provides fractional CISO services, penetration testing (network, web app, phishing), and security testing collaborations, serving clients across cyber risk management, GRC, and incident response domains.
Caleb Consulting Group
IT services and consulting company specializing in identity management, assessments, and ethical hacking; based in Boston, Massachusetts, with 3 employees; provides penetration testing services and focuses on migrations, upgrades, and value-driven solutions.
IANS Research
Cybersecurity consulting firm based in Boston, MA; provides penetration testing services with a focus on security assessments and purple teaming; headquartered in Massachusetts, United States.
Technical Support International
Massachusetts-based IT and cybersecurity support company founded in 1989; provides high-quality IT, cybersecurity, and compliance services, including explicit penetration testing (pentest) for network, application, and system vulnerabilities.
The Edward Davis Company
Security and investigations firm based in Boston, Massachusetts; 18 employees with 16.7% YoY growth; founded 2014; offers security consulting, crisis management, and penetration testing services to identify vulnerabilities and mitigate risks.
Pentera
Cybersecurity company specializing in automated security validation; 347 employees (+17.9% YoY growth), $83.5M revenue, founded 2015 in Burlington, MA; offers penetration testing, red teaming, vulnerability management, attack surface monitoring; $274.5M total funding, Series D in 2025; recognized as category leader in security validation.
Boston Computer Forensics
Digital forensics, eDiscovery, and cybersecurity firm headquartered in Boston, MA; provides computer forensics, deleted data recovery, and penetration testing services including social engineering and attack simulations, serving all of New England.
NENS
Managed IT services provider based in Lowell, MA, specializing in cybersecurity and IT infrastructure; offers penetration testing services including simulated attacks and third-party assessments, demonstrating active engagement in security testing.
BG Networks - Security Automated
Cybersecurity company specializing in automotive and IoT security; offers remote penetration testing via crate™ platform, vulnerability scanning, anomaly detection, and cybersecurity workshops; founded 2020, 7 employees, $4.5M funding; based in Weston, Massachusetts, USA.
Buckley Technology Group, LLC
Private IT & cybersecurity company based in Boston, Massachusetts, founded in 1999; offers penetration testing services and cybersecurity solutions; 3 employees, $16.4M revenue; global web presence with 610 monthly visits; competes with securitymetrics and morphus; established market position.
Boston Help Desk
IT services company based in Boston, MA, providing comprehensive technology support since 2002; offers remote support, client portal, and cybersecurity services including penetration testing to evaluate network vulnerabilities.
Welsh Consulting
IT consulting firm headquartered in Boston, MA, with over 35 years of experience serving Massachusetts businesses; provides cybersecurity services including penetration testing to assess and improve security posture.
BitSpartan Security
BitSpartan Security is a private cybersecurity consulting firm based in Worcester, Massachusetts, founded in 2020, with 1 employee and a -50% YoY growth. It specializes in cybersecurity risk management, compliance, governance, and penetration testing services, including web application, internal, and external penetration testing, supporting standards such as CMMC, HIPAA, ISO 27001, NIST, PCI DSS, FISMA, GDPR, and 23 NYCRR 500.
Mule Force
Cybersecurity company based in Boston, MA, specializing in penetration testing, vulnerability assessments, and website security; offers services to improve organizational security posture with a focus on business networks and devices.
Black Kite
Black Kite is a private cybersecurity company specializing in third-party risk management software and solutions; 118 employees (+20.3% YoY growth), $6.2M annual revenue, founded in 2016 in Boston, MA • Provides active penetration testing services with at least annual assessments, emphasizing security testing and vulnerability management.
teklabspace
Cybersecurity company specializing in ethical hacking and crowdsourced security; based in Cambridge, Massachusetts, with 2 employees and 100% YoY growth; founded in 2017; provides penetration testing and active security testing services.
Boston Hacking Company
Cybersecurity firm based in Boston, Massachusetts; specializes in penetration testing and active attack simulation to identify vulnerabilities in networks and applications; emphasizes cyber-attack readiness and offers security services and trials.
CyberArk
CyberArk is a U.S.-based information security company headquartered in Newton, Massachusetts, specializing in identity security and privileged access management. It provides penetration testing services such as Red Team adversary simulations and White Hacking to assess and strengthen security defenses.
Boston Technology Corporation
Custom software development company headquartered in Marlborough, MA, specializing in AI, cloud-native development, mobile, and web solutions; provides penetration testing and security testing services to identify and address vulnerabilities.
PiiQ Media I Threat & Brand Intelligence SaaS
Cybersecurity and threat intelligence company providing attack simulations, spear phishing, and risk analytics; based in Massachusetts, USA, with 7 employees, founded in 2018, and $4.5M in funding. Specializes in social media cyber risk scoring, threat detection, and brand protection.
Veracode
Veracode is a private computer and network security company specializing in software security solutions for the AI era; with 390 employees, $250M annual revenue, founded in 2006 in Burlington, Massachusetts. It has received $114.3M in funding, last raised in 2014, and recently acquired Phylum. Veracode provides active penetration testing services, including Penetration Testing as a Service and Web Application Penetration Testing, emphasizing attack-simulation and ethical hacking capabilities. It is a global leader in Application Risk Management, leveraging trillions of code scans and proprietary AI-assisted remediation, ranked #154,009 worldwide and #77,904 in the US.
Cinch I.T.
Managed services provider offering unlimited nationwide IT support, cybersecurity, and penetration testing; based in Worcester, MA, serving SMBs with a focus on security and support.
Fractional Ciso
Cybersecurity consulting firm providing remote CISO advisory services; based in Auburndale, Massachusetts, with expertise in penetration testing, vulnerability assessments, and SOC 2 compliance testing.
Dc Consulting
Cybersecurity firm specializing in penetration testing services; headquartered in Boston, Massachusetts, United States, with active exploitation-based assessments listed as a core offering.
SecureWon
IT Services and IT Consulting company based in Quincy, Massachusetts; 19 employees with 46.2% YoY growth; offers proactive IT support, cybersecurity, and strategic tech solutions including penetration testing to identify vulnerabilities and strengthen security.
Commonwealth of Massachusetts
Government Administration entity based in Massachusetts, United States; provides cybersecurity services including penetration testing for state agencies; 6,514 employees (+2.9% YoY growth), $13M annual revenue, founded 1788, headquartered in Boston, MA.
Seceon Inc.
Seceon Inc. is a private cybersecurity firm specializing in next-generation threat detection and response platforms; 124 employees with 15.7% YoY growth, $32.3M revenue, founded in 2015, headquartered in Westford, Massachusetts, USA. The company offers network security, risk monitoring, AI-driven threat detection, malware and ransomware defense, user and system behavior analysis, and cloud security, with active penetration testing and attack-simulation services.
Retrofit Technologies, Inc.
Cybersecurity firm based in Massachusetts; provides penetration testing (pentest) services including external/internal network assessments; operational since 2009 with a focus on professional, proactive cybersecurity testing.