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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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Silent Breach - Cybersecurity Company

Silent Breach

New York, New York, United States

Silent Breach is a cybersecurity company founded in 2017, based in New York, NY, with a presence in Florida. The company specializes in network security and digital asset protection, serving a variety of industries including finance, healthcare, education, and government.

Founded Year: 2017

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Gmail, Google Apps, Google Analytics, Mobile Friendly, Bootstrap Framework +11 more

Sinevis - Cybersecurity Company

Sinevis

Ruislip, England, United Kingdom

SINEVIS TECHNOLOGIES UK LTD is a private limited company established on July 29, 2021, with its registered office in Harrow, England. The company specializes in the wholesale distribution of computers, computer peripherals, and software. It also provides information technology consultancy services, helping organizations with technology strategies and system implementations. Additionally, SINEVIS is involved in educational support services, which may include training and workshops related to technology use.

Founded Year: 2010

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Cloudflare DNS, Outlook, CloudFlare Hosting, SAP, Micro +3 more

Site2 - Cybersecurity Company

Site2

Clarks Summit, Pennsylvania, United States

Site2 is a fast growing company who is passionate about simplifying the industry approach to cybersecurity. We support the needs of small and medium businesses who want to improve their cybersecurity defenses beyond their inhouse expertise. Site2 delivers on that mission by offering a wide range of cybersecurity solutions, including managed security services, vulnerability assessments, monitoring & alerting, and incident response, all designed to simplify & support the needs of SMB's.

Founded Year: 2005

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Outlook, Amazon AWS, Sendgrid, Mobile Friendly, Android +5 more

Sixwatch - Cybersecurity Company

Sixwatch

Tampa, Florida, United States

Managed IT Service Provider in Tampa, Sarasota, and Orlando.

Founded Year: 2020

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Outlook, Amazon AWS, WP Engine, DoubleClick, Hubspot +11 more

Socura - Cybersecurity Company

Socura

Cardiff, Wales, United Kingdom

Socura is a UK-based cybersecurity company committed to enhancing digital safety for organizations. It operates a Security Operations Center (SOC) that provides 24/7 Managed Detection and Response (MDR) services. These services support clients' in-house security teams by offering rapid detection, containment, and response to cyber threats. Socura combines technical expertise with a people-centric approach, focusing on innovation to deliver high-value cybersecurity solutions.

Founded Year: 2019

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: Cloudflare DNS, Outlook, CloudFlare Hosting, CloudFlare, Livestorm +3 more

SolCyber - Cybersecurity Company

SolCyber

Dallas, Texas, United States

SolCyber is a cybersecurity company based in Dallas, Texas, focused on providing fully managed security services for small and medium-sized enterprises (SMEs) and mid-market organizations. They offer a cloud-based managed security service delivered as a subscription program, which includes essential tools, licensing, and 24/7 support. This service helps businesses enhance their cyber resilience and mitigate risks associated with increasing cyber threats.

Founded Year: 2021

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: Route 53, Outlook, Microsoft Office 365, CloudFlare Hosting, Amazon SES +18 more

Solis - Cybersecurity Company

Solis

Austin, Texas, United States

Solis is an information security company based in Austin, Texas, founded in 2003. The company specializes in managed cybersecurity services, primarily targeting small businesses and financial institutions. Solis aims to help organizations develop effective security programs by integrating advanced technology with extensive cyber threat intelligence. Their services include incident response and a full range of managed IT services designed to enhance clients' technical support.

Founded Year: 2003

Company Size: 100 - 250 Employees

Industry: Information Technology & Services

Technologies: Route 53, Mimecast, Amazon AWS, Microsoft Azure Hosting, Google Tag Manager +8 more

SonicWall MSS - Cybersecurity Company

SonicWall MSS

Woodbridge, Virginia, United States

SonicWall SonicSentry is a cybersecurity service suite designed to empower Managed Service Providers (MSPs) with advanced managed security solutions. It integrates managed detection and response (MDR) services across endpoint, cloud, and network environments, supported by a 24/7 Security Operations Center (SOC) staffed by expert analysts. This comprehensive approach helps MSPs enhance their cybersecurity capabilities without adding overhead.

Founded Year: 2007

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Sendgrid, Mimecast, Microsoft Office 365, Google Cloud Hosting, Salesforce +18 more

Soteria - Cybersecurity Company

Soteria

Charleston, South Carolina, United States

Soteria - Security Solutions & Advisory is a cybersecurity firm based in Charleston, South Carolina, founded in 2014 by former National Security Agency members and industry experts. The company employs a team of 10 to 50 professionals who specialize in tailored cybersecurity services and advisory solutions.

Founded Year: 2014

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: Salesforce, Cloudflare DNS, Gmail, Google Apps, Microsoft Office 365 +12 more

StarSource IT - Cybersecurity Company

StarSource IT

Cincinnati, Ohio, United States

StarSource is a leading information technology consulting and recruiting firm serving businesses across North America. Our team consists of talented, dedicated, and creative business and technology professionals who are extremely committed to our customers' success.

Founded Year: 2012

Company Size: 10 - 20 Employees

Industry: Information Technology & Services

Technologies: Gmail, Google Apps, Amazon AWS, Google Font API, Apache +7 more

Steel Patriot - Cybersecurity Company

Steel Patriot

Leesburg, Virginia, United States

Steel Patriot Partners is a cybersecurity and IT compliance firm that specializes in governance, risk, and compliance (GRC) solutions for both Federal and non-Federal standards. The company employs an engineering-first approach to cybersecurity, providing practical support to help organizations create secure, audit-ready environments, especially in cloud adoption scenarios like FedRAMP and GovRAMP Moderate.

Founded Year: 2019

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Cloudflare DNS, Outlook, Zendesk, WP Engine, Atlassian Cloud +14 more

StrataDefense - Cybersecurity Company

StrataDefense

Wausau, Wisconsin, United States

StrataDefense is a strategic managed IT partner with more than 20 years of experience helping regulated organizations align technology and cybersecurity with business growth. We deliver expert-led services, from 24/7 cybersecurity monitoring to compliant network management, strengthening operations and reducing risk.

Founded Year: 1995

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: DNS Made Easy, Outlook, MailChimp SPF, Microsoft Office 365, Amazon AWS +16 more

Stratum Security - Cybersecurity Company

Stratum Security

Reston, Virginia, United States

Stratum Security is a CREST-accredited information security consulting firm founded in 2005 and based in Reston, Virginia, with additional locations in Tampa and Herndon. The company specializes in cybersecurity assessment and threat simulation services, providing clients with clear risk guidance. Its expertise covers various security domains, including application security, mobile security, network security, cloud security, penetration testing, and data exfiltration analysis.

Founded Year: 2005

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Cloudflare DNS, Outlook, Microsoft Office 365, CloudFlare Hosting, YouTube +15 more

Stratus ip - Cybersecurity Company

Stratus ip

Moorestown, New Jersey, United States

Stratus ip is a telecommunications and cybersecurity company based in Moorestown, New Jersey, founded in 2010. The company specializes in providing business technology solutions, including bandwidth services, unified communications, advanced voice solutions, and comprehensive cybersecurity services. Stratus ip focuses on serving small and medium-sized businesses, offering personalized and budget-friendly technology solutions to simplify complex challenges.

Founded Year: 2010

Company Size: 50 - 100 Employees

Industry: Information Technology & Services

Technologies: Outlook, Mobile Friendly, WordPress.org, Google Font API, Google Tag Manager +8 more

StratusPointIT - Cybersecurity Company

StratusPointIT

North Andover, Massachusetts, United States

StratusPointIT is an Information Technology (IT) and Business Process Outsourcing (BPO) services provider based in Natick, Massachusetts. Founded in 2006, the company focuses on delivering comprehensive IT support and solutions to small and medium-sized businesses across various industries. StratusPointIT aims to help business executives maximize their technology investments through end-to-end IT services that encompass all layers of IT infrastructure, from on-premise systems to cloud environments.

Founded Year: 2006

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Route 53, Constant Contact, Mimecast, Autotask, SMTP.com +31 more

Sun Management - Cybersecurity Company

Sun Management

Arlington, Virginia, United States

Sun Management is a customer focused cybersecurity & advanced network solutions firm providing products and services that help solve your most difficult IT challenges. Based in Arlington, VA, Sun Management has both federal and commercial clients. We resell several best-of-breed products including Palo Alto Networks, A10 Networks, Infoblox, Arista networks, Juniper, and Aerohive wireless. In addition to products, SunMgt assists clients in solving difficult information security challenges while mentoring and training them to be self sufficient.

Founded Year: 2003

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Outlook, Microsoft Office 365

Symity - Cybersecurity Company

Symity

London, United Kingdom

Symity is a Microsoft Gold Partner that specializes in delivering Microsoft Teams and Microsoft 365 solutions to businesses around the world. Since its establishment in 2013, the company has focused on enabling unified communications and modern work environments, with deployments in over 40 countries. Symity operates fully remotely, reflecting the modern work principles it advocates.

Founded Year: 2013

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Salesforce, Outlook, Microsoft Office 365, Vimeo, Google Analytics +7 more

Systems Solution A Meriplex Company - Cybersecurity Company

Systems Solution A Meriplex Company

Wayne, Pennsylvania, United States

Systems Solution, Inc. (SSI), a Meriplex Company, is a managed services provider based in King of Prussia, Pennsylvania, with over 35 years of experience in IT and cybersecurity solutions. SSI specializes in creating customized IT infrastructures for small and mid-sized businesses, focusing on sectors such as Senior Living and Legal. The company operates data centers and satellite offices across Pennsylvania, Illinois, Nevada, and California, ensuring ongoing support to enhance IT services and maintain business productivity.

Founded Year: 1988

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Cloudflare DNS, Rackspace MailGun, Mimecast, Outlook, Microsoft Office 365 +19 more

TEXO Enterprises - Cybersecurity Company

TEXO Enterprises

San Mateo, California, United States

Texo provides you with access to Solutions Engineers that address each part of your IT stack, intelligently designing a lasting and secure IT infrastructure foundation. Our commercial insight helps you leverage technology, as we've found understanding how each piece of technology collectively fits into your roadmap early may likely save time, manpower, and cost long term. The goal is to have a proactive IT strategy, blueprinting any potential areas of need as we serve to complement and alleviate your IT team so they can focus and your organization can thrive. Our areas of expertise include Security, Contact Center, VoIP, Disaster Recovery, SD-WAN, and Data Center.

Founded Year: 2018

Company Size: 10 - 20 Employees

Industry: Information Technology & Services

Technologies: Amazon AWS, Remote

Tech Team - Cybersecurity Company

Tech Team

Saint Joseph, Missouri, United States

Let us be your IT department! As your IT department, we will help you take care of your: Wireless or Wired Network, Servers, Computers, Backup & Disaster Recovery, etc. You don't have these things at your business or not satisfied with what you have? Call us today! Our Premium Care Plan takes care of all your technology needs for 1 monthly price with no hidden costs.

Founded Year: 2012

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Salesforce, Cloudflare DNS, Sendgrid, Constant Contact, Outlook +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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