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Cybersecurity Companies Directory

Find Top Cybersecurity Companies & MSSPs

Browse verified security providers across every category MSSPs running 24/7 SOC monitoring, MDR and incident response specialists, penetration testing firms, and GRC compliance consultants. Filter by state, industry and company size to find the right partner.

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GeekTek - Cybersecurity Company

GeekTek

Los Angeles, California, United States

XO is an IT services and consulting company based in Los Angeles, dedicated to providing technology solutions that help businesses address IT challenges and enhance their operations. The company aims to foster a positive relationship between clients and technology by offering empathetic, affordable, and scalable IT support that minimizes downtime and technical issues.

Founded Year: 1998

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Cloudflare DNS, Outlook, Microsoft Office 365, DigitalOcean, MailChimp SPF +11 more

Global Linking Solutions Charlotte North Carolina - Cybersecurity Company

Global Linking Solutions Charlotte North Carolina

Charlotte, North Carolina, United States

Global Linking Solutions (GLS) is a managed network and security services provider based in Charlotte, North Carolina. Founded in 1998, the company operates in 122 countries and manages over 100,000 devices and 30,000 Security Operations Center (SOC) surveilled assets globally.

Founded Year: 1998

Company Size: 100 - 250 Employees

Industry: Information Technology & Services

Technologies: Outlook, Microsoft Office 365, Google Maps, Gunicorn, reCAPTCHA +4 more

GoSecure - Cybersecurity Company

GoSecure

San Diego, California, United States

GoSecure is a cybersecurity company based in Montreal, Canada, with additional offices in the United States. Founded in 2002, the company specializes in advanced cybersecurity solutions that protect organizations' digital assets through expert human analysis and AI-driven technology.

Founded Year: 2002

Company Size: 100 - 250 Employees

Industry: Computer & Network Security

Technologies: Salesforce, Route 53, Outlook, Marketo, Microsoft Office 365 +7 more

Goliath Cyber Security Group - Cybersecurity Company

Goliath Cyber Security Group

Estero, Florida, United States

Goliath Cyber Security Group, LLC is a veteran-owned cyber advisory firm based in Estero, Florida, founded in 2017. The company specializes in cyber advisory consulting services, focusing on enhancing clients' security capabilities through tailored recommendations that align with their technologies and budgets. Goliath's leadership team brings extensive experience from military, government intelligence, and enterprise security sectors.

Founded Year: 2017

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Route 53, Outlook, CloudFlare Hosting, Amazon AWS, Hubspot +7 more

Green Cloud Defense - Cybersecurity Company

Green Cloud Defense

Greenville, South Carolina, United States

Green Cloud Defense, now part of 11:11 Systems, is a prominent independent channel-only cloud Infrastructure-as-a-Service (IaaS) provider in the United States. The company focuses on delivering tailored cloud and security solutions through Managed Service Providers (MSPs) and Value-Added Resellers (VARs). Its offerings include cloud infrastructure, backup and disaster recovery solutions, Desktop-as-a-Service (DaaS), and fully managed security services with a multi-layered security approach.

Founded Year: 2011

Company Size: 10 - 20 Employees

Industry: Information Technology & Services

Technologies: Cloudflare DNS, ElasticEmail, Microsoft Office 365, CloudFlare Hosting, Mailchimp Mandrill +45 more

Greenlight Cyber - Cybersecurity Company

Greenlight Cyber

Irvine, California, United States

Welcome to Greenlight Cyber, where we merge creativity and strategic expertise with cutting-edge technology to secure and elevate your business. Specializing in comprehensive cybersecurity solutions, we empower SMBs with the tools needed to thrive in the digital age.

Founded Year: 2010

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Microsoft Office 365, GoDaddy Hosting, Outlook, Sendgrid, Amazon AWS +8 more

GridSecurity - Cybersecurity Company

GridSecurity

Folsom, California, United States

GridSecurity (GridSec) provides network operations and managed security services for inverter-based renewable generators and control centers. Securing your facility's critical infrastructure requires many different skillsets and toolsets. Our team is here to help you reduce risk and improve operations with various services, from one-off security risk assessments and control center design services to ongoing network operations and managed security services.

Founded Year: 2021

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Outlook, Amazon AWS, Google Analytics, Google Tag Manager, Nginx +8 more

Hexegic - Cybersecurity Company

Hexegic

London, England, United Kingdom

Hexegic is a private limited company based in London, UK, established in 2009. Originally named Oculus Defence Consultancy Limited, the company specializes in cyber security and data services that provide real business value. Hexegic offers end-to-end solutions designed to help organizations protect their data and support digital transformation.

Founded Year: 2009

Company Size: 50 - 100 Employees

Industry: Information Technology & Services

Technologies: Outlook, Microsoft Office 365, Zendesk, Google Font API, Mobile Friendly +1 more

High Wire - Cybersecurity Company

High Wire

Batavia, Illinois, United States

High Wire Networks is a managed IT and cybersecurity company based in Batavia, Illinois. It focuses on providing managed cybersecurity and IT enablement solutions through its Overwatch platform, which features 100% onshore Security Operations Center (SOC) and Network Operations Center (NOC) services. The company adopts a channel-centric approach, primarily serving managed service providers (MSPs) and their customers.

Founded Year: 2019

Company Size: 50 - 100 Employees

Industry: Computer & Network Security

Technologies: Outlook, Microsoft Office 365, Autotask, Mobile Friendly, Squarespace ECommerce

Hytec Information Security - Cybersecurity Company

Hytec Information Security

Teddington, England, United Kingdom

With over 40 years of information security experience, Hytec is a trusted partner for organisations looking for expert, specialised cyber security protection.

Founded Year: 1983

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Outlook, Microsoft Office 365, reCAPTCHA, Apache, Typekit +4 more

Hyvee.Io - Cybersecurity Company

Hyvee.Io

England, United Kingdom

Hyvee.io it's a company specialized in providing monitoring, communication, video and cyber security services for the renewable energy sector.

Founded Year: 2018

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: Outlook, Varnish, Mobile Friendly, Bootstrap Framework

ICCS & - Cybersecurity Company

ICCS &

Greenwood Village, Colorado, United States

ICCS & Co., LLC (A NexusTek Company) has been a premier provider or technology services to businesses for 30 years. We take pride of providing cutting edge solution design and service to our clients. We believe in excellence in everything we do. We welcome all businesses looking for expertise in all areas of technology including cloud solutions and cyber security to come join our family of clients.

Founded Year: 1999

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Mailchimp Mandrill, Outlook, Microsoft Office 365, Google Cloud Hosting, Amazon AWS +49 more

ICE Cybersecurity - Cybersecurity Company

ICE Cybersecurity

San Diego, California, United States

ICE was started by a team of security, IT and audit professionals committed to making security practical and accessible by companies of any size in any industry.

Founded Year: 2016

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Route 53, Outlook, React, DigitalOcean, Adobe Media Optimizer +16 more

ISGCyber - Cybersecurity Company

ISGCyber

Raleigh, North Carolina, United States

ISGCyber is a cybersecurity company based in Raleigh, North Carolina, founded in 1998. With a team of 10 to 49 employees, the company specializes in comprehensive cybersecurity services aimed at protecting businesses from digital threats. A key aspect of ISGCyber is its apprenticeship model, which develops cybersecurity and IT talent internally, ensuring that their technicians are well-prepared to tackle various cybersecurity challenges.

Founded Year: 1998

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Outlook, AI

ISNY - Cybersecurity Company

ISNY

New York, New York, United States

ISNY is a Managed Service Provider (MSP) based in New York, serving clients in the tri-state area. As an MSP, the company offers a wide range of IT services and solutions, including network management, cloud computing, cybersecurity, data backup and recovery, and more. With a team of experienced professionals, ISNY aims to provide customized IT solutions that meet the unique needs of each client. The company is committed to providing reliable, efficient, and cost-effective IT support to help businesses improve their operations and achieve their goals.

Founded Year: 2012

Company Size: 10 - 20 Employees

Industry: Information Technology & Services

Technologies: Cloudflare DNS, Amazon SES, Gmail, Outlook, Google Apps +8 more

ISSGLOBAL - Cybersecurity Company

ISSGLOBAL

Boca Raton, Florida, United States

ISSGLOBAL Security & Network Integration team helps protect your network infrastructure from internal and external threats. Our security consultants bring a blend of real-world experience, technical aptitude and broad industry knowledge to every project. Using a customized approach and proven methodologies, our experts assess the security of your network to ensure a thorough analysis and testing of your network security policies, processes and controls. ISSGLOBAL maintains strong relationships with the industry's leading technology vendors. In addition, our Security & Network Integration consultants are among the most skilled in their craft. With offerings such as firewall rule set reviews, security architecture reviews and holistic network security assessments, ISSGLOBAL can help you and your company protect your network both strategically and tactically.

Founded Year: 2001

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Outlook, CloudFlare Hosting, WordPress.org, Google Tag Manager, reCAPTCHA +2 more

IT Bus - Cybersecurity Company

IT Bus

Witney, England, United Kingdom

ITB Ltd is a UK-based cybersecurity company founded in 2008. It specializes in providing comprehensive cybersecurity solutions and services to clients in both the private and public sectors. The company helps businesses secure their data, infrastructure, and personnel from cyber threats by guiding them through a tailored cyber journey to develop effective security strategies.

Founded Year: 2008

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Cloudflare DNS, Outlook, MailChimp SPF, Microsoft Office 365, Barracuda Networks +8 more

IT On Demand - Cybersecurity Company

IT On Demand

New York, New York, United States

Why Choose Us?

Founded Year: 2006

Company Size: 10 - 20 Employees

Industry: Information Technology & Services

Technologies: Cloudflare DNS, Sendgrid, Outlook, Microsoft Office 365, CloudFlare Hosting +21 more

InSecSys - Cybersecurity Company

InSecSys

Reading, England, United Kingdom

InSecSys is a Pune, India-based company that specializes in Information Security Consulting and Managed Security Services. Established in 2008 and incorporated in 2016, it operates globally with offices in India and a presence in the USA, UK, UAE, Indonesia, and Singapore. The company is dedicated to providing comprehensive security solutions that enhance enterprise infrastructure and ensure compliance with governance, risk, and regulatory requirements.

Founded Year: 2016

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: Bootstrap Framework, Apache, Google Tag Manager, Nginx, Mobile Friendly

Inceptus Cybersecurity - Cybersecurity Company

Inceptus Cybersecurity

Cape Coral, Florida, United States

Inceptus Cybersecurity is a Managed Security Service Provider (MSSP) based in Cape Coral, Florida. The company specializes in advanced cybersecurity solutions to protect organizations from cyber threats. Their team consists of highly skilled professionals with extensive backgrounds in the Intelligence Community, Department of Defense, and Fortune 100 companies.

Founded Year: 2018

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Postmark, Constant Contact, Outlook, Autotask, Amazon AWS +9 more

What We Cover

Types of Cybersecurity Companies in Our Directory

Whether you need a cybersecurity company near me, a national MSSP, or a specialized compliance firm our directory covers every segment. Browse our cybersecurity MSP database with 30,000+ MSSPs, MDR providers & SOC companies or explore our dedicated MSSP list for managed security service providers. To see the best-known vendors first, read our list of the top 100 cybersecurity companies. You can also browse managed IT service providers who bundle security with IT, or filter by industry and company size to find the exact fit.

Managed Security Service Providers (MSSP)

MSSPs deliver 24/7 SOC monitoring, SIEM management, threat detection, and incident response on a subscription basis. Ideal for SMBs and enterprises that need continuous security without building an in-house team.

Browse MSSPs →

Penetration Testing Companies

Pentest firms simulate real-world cyberattacks network, web app, social engineering, and red team ops to identify vulnerabilities before attackers do. Many serve healthcare, finance, and government sectors.

Find Pentest Firms →

Endpoint Detection & Response (EDR)

EDR vendors protect laptops, servers, and mobile devices from malware, ransomware, and zero-day threats. Key players include firms specializing in AI-driven threat hunting and behavioral analytics.

Browse EDR Companies →

Cloud Security Companies

Cloud security specialists secure AWS, Azure, and GCP environments through CSPM, CASB, and zero-trust architecture. Critical for businesses migrating workloads or running hybrid infrastructure.

Browse Cloud Security →

Incident Response & Forensics Firms

IR firms respond to active breaches, contain damage, perform root cause analysis, and conduct digital forensics. They help organizations recover faster and harden defenses post-incident.

Find IR Firms →

GRC & Compliance Consultants

Compliance firms help businesses meet HIPAA, PCI-DSS, SOC 2, ISO 27001, NIST, and CMMC requirements. They conduct gap assessments, audits, policy development, and ongoing compliance management.

Browse Compliance Firms →

Find Cybersecurity Companies by Business Size

Security needs vary by company size. Use our employee size filter to find the right-fit vendor from boutique firms serving small businesses to enterprise-grade MSSPs with 500+ staff.

Find Cybersecurity Companies Near Me

Looking for a local cybersecurity company near you? Our directory covers verified firms across all 50 US states. Filter by state to find cybersecurity companies in your city or region.

Cybersecurity Contact Database

Get verified CEO, CTO & CISO contacts for 15,000+ cybersecurity & MSSP companies in the USA

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Frequently Asked Questions

What are the top cybersecurity companies in 2026?

Cybersecurity providers fall into distinct categories, and the right one depends on what you need. MSSPs run 24/7 SOC monitoring and managed detection and response on an ongoing contract. Penetration testing firms deliver point-in-time assessments. Incident response specialists handle active breaches. GRC consultancies manage compliance frameworks like SOC 2, HIPAA and PCI DSS. Use the filters above to browse verified providers in each category by state, industry and company size.

How do I find cybersecurity companies near me?

Use our directory to find cybersecurity companies near you by filtering your state or city. We cover verified cybersecurity firms across all 50 US states from local boutique MSSPs to regional SOC providers. Simply select your state from the filter above to see companies in your area with full contact details.

Which are the best cybersecurity companies in the USA?

There is no single best provider it depends on your industry, compliance obligations, company size and whether you need ongoing monitoring or a one-time assessment. A 40-person healthcare practice with HIPAA requirements needs something different from a 2,000-person manufacturer with OT networks. Start by identifying the discipline you need, then filter this directory by state and company size to build a shortlist of three to compare.

What is the difference between an MSSP and a cybersecurity company?

An MSSP (Managed Security Service Provider) is a type of cybersecurity company that provides ongoing, managed security monitoring on a subscription basis 24/7 SOC, SIEM, and threat response. Broader cybersecurity companies may sell products, conduct one-time penetration tests, or provide consulting without ongoing management.

What services do cybersecurity companies typically offer?

Common services include: 24/7 SOC monitoring, penetration testing & vulnerability assessments, SIEM & threat intelligence, endpoint detection & response (EDR), identity & access management (IAM), cloud security (AWS/Azure/GCP), compliance support (HIPAA, PCI-DSS, SOC 2, CMMC), and incident response & forensics.

How do I choose the right cybersecurity company for my business?

Evaluate vendors based on specialization (network vs. cloud vs. compliance), certifications (CISSP, ISO 27001, SOC 2), industry experience (healthcare, finance, government), SLA response times, and company size. Use our directory filters to narrow by state, employee size, and industry to shortlist the best cybersecurity companies for your specific needs.

What certifications should a cybersecurity company have?

Key certifications include CISSP, CISM, CEH, CompTIA Security+, ISO/IEC 27001, SOC 2 Type II, PCI-DSS QSA, and FedRAMP authorization. Vendor-specific certs from CrowdStrike, Palo Alto Networks, Fortinet, and Microsoft are strong indicators of technical expertise.

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