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Cybersecurity Intelligence

Managed Security Service Providers (MSSP) List

Directory of specialized MSSPs providing managed detection and response (MDR), SOC, and threat monitoring.

Browse Ranked List ↓
Verified Rankings 98% Contact Accuracy Updated 2026

Why This Report Matters

As cyber threats grow increasingly sophisticated, standard IT support is no longer sufficient. Managed Security Service Providers (MSSPs) specialize in advanced threat defense, including 24/7 Security Operations Center (SOC) monitoring, penetration testing, compliance management, and endpoint detection and response (EDR).

Partnering with an MSSP ensures your data remains secure while maintaining strict regulatory compliance.

Included Data Fields

MDR & SOC Capabilities
Compliance Certifications
Security Stack Insights

Export Complete Dataset

Get direct emails, phone numbers, and tech stack details for every company in this ranking list.

Ranked Leaderboard List

Sorted by total employee headcount, annual revenue, and service capabilities.

Showing 51 – 75 of 150 Providers
#51

Volta

Custom Software Development, Cloud Services, Data Analytics, System Integration, Managed IT Services

📍 Frankfort 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
Profile →
#52

Edgewater Federal Solutions

Cloud Infrastructure, Network Services, Cybersecurity, Managed IT Services, Consulting and Advisory, Data Backup and Disaster Recovery, IT Strategy and Planning, Unified Communications

📍 Frederick 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
Profile →
#53

Bulletproof a GLI Company

Cybersecurity consulting, Managed Security Services, Incident Response, Security Assessments, Threat Intelligence, Security Operations Center (SOC) services

📍 Fredericton 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
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#54

Direct Line Global

Custom Software Development, Technology Consulting, Cloud Services, Data Analytics, Cybersecurity Solutions, Application Maintenance and Support, Digital Transformation

📍 Fremont 👥  500 - 1,000 Staff 💰  $100 mil. - $250 mil.
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#55

SAGE IT

IT Staffing Solutions, IT Consulting, Project Management, Business Intelligence, Cloud Solutions, Digital Transformation, Application Development, Managed IT Services

📍 Frisco 👥  500 - 1,000 Staff 💰  $100 mil. - $250 mil.
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#56

UFS Tech

IT consulting, Systems integration, Network design, Cloud solutions, Managed IT services, Cybersecurity solutions, Data center solutions, Unified communications

📍 Grafton 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
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#57

Applied Innovation

Digital Transformation, Automation Solutions, Cloud Services, Consulting and Strategy, IT Infrastructure Management, AI and Data Analytics

📍 Grand Rapids 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
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#58

US Signal

Managed IT Services, Cloud Services, Data Center Solutions, Network Services, Cybersecurity Services, Voice and Communication Solutions, Consulting and Professional Services, Disaster Recovery and Backup

📍 Grand Rapids 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
Profile →
#59

Buchanan

Wealth Management, Investment Advisory, Trust Services, Estate Planning, Financial Planning, Philanthropic Advisory

📍 Grapevine 👥  500 - 1,000 Staff 💰  $100 mil. - $250 mil.
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#60

NexusTek

Managed IT Services, Cloud Services, Cybersecurity Solutions, Consulting & Strategy, Backup and Disaster Recovery, Network Infrastructure, Helpdesk and Support

📍 Greenwood Village 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
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#61

AntemetA

Network security, Cybersecurity consulting, Managed security services, Infrastructure monitoring and management, Incident response and risk management

📍 Guyancourt 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
Profile →
#62

Tietokeskus

IT consulting, Software development, System integration, IT maintenance and support, Cloud services, Data management solutions, Cybersecurity services, Project management

📍 Helsinki 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
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#63

Expel

📍 Herndon 👥  500 - 1,000 Staff 💰  $100 mil. - $250 mil.
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#64

Iron Bow

Unified Communications, Network Infrastructure, Cloud Services, Cybersecurity Solutions, Collaboration Solutions, Data Center Solutions, Managed Services, Professional Services, Consulting and Integration

📍 Herndon 👥  500 - 1,000 Staff 💰  $100 mil. - $250 mil.
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#65

LTS

Managed IT Services, Cloud Services, Cybersecurity, IT Consulting, Networking Solutions, Help Desk Support, Data Backup and Recovery, Business Continuity Planning, VoIP Services, Remote Monitoring and Management

📍 Herndon 👥  500 - 1,000 Staff 💰  $100 mil. - $250 mil.
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#66

AMSYS Innovative Solutions

Digital transformation consulting, Cloud solutions, IT infrastructure services, Cybersecurity solutions, Managed IT services, Software development, Data analytics and business intelligence

📍 Houston 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
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#67

Computer Tech

IT consulting, Network solutions, Cloud computing, Cybersecurity, Managed IT services, Hardware and software sales, Technical support and maintenance

📍 Houston 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
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#68

Zyxel

Network Security Solutions, Broadband Access Solutions, Business and Home Networking, Wireless LAN Solutions, Cloud Management Services, Network Monitoring and Management

📍 Hsinchu 👥  500 - 1,000 Staff 💰  $100 mil. - $250 mil.
Profile →
#69

Datacomm Diangraha

IT Infrastructure Solutions, Network Solutions, Cloud Services, Data Center Solutions, Managed Services, Security Solutions, Consulting and Support

📍 Jakarta 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
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#70

Hypernet

IT Infrastructure Solutions, Cloud Computing, Data Center Services, Managed Services, Software Development, Cybersecurity Solutions, Consulting and IT Support

📍 Jakarta 👥  500 - 1,000 Staff 💰  $100 mil. - $250 mil.
Profile →
#71

Opentech Soluções em Logística e Segurança

Cloud Computing Solutions, IT Infrastructure Management, Software Development, Cybersecurity Services, IT Consulting, Data Center Services, Managed IT Services

📍 Joinville 👥  500 - 1,000 Staff 💰  $100 mil. - $250 mil.
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#72

Ritter Communications

Cloud and managed services, Network and internet connectivity, Cybersecurity solutions, IT consulting and staffing, Voice and unified communications, Data center and colocation services, Infrastructure management

📍 Jonesboro 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
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#73

Cyderes

Managed Detection and Response (MDR), Incident Response, Threat Hunting, Security Operations, Cybersecurity Consulting, Vulnerability Management, Risk Adherence and Compliance

📍 Kansas City 👥  500 - 1,000 Staff 💰  $100 mil. - $250 mil.
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#74

Intelligent Technical Solutions

IT Staffing Solutions, Contract Staffing, Direct Hire, Payroll Services, Managed Services, Consulting Services, Project-Based Staffing

📍 Las Vegas 👥  250 - 500 Staff 💰  $50 mil. - $100 mil.
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#75

Bytes

IT Support, Cloud Services, Cyber Security, IT Consultancy, Data Backup and Recovery, Managed IT Services, Microsoft 365 Solutions, Virtual CIO Services, IT Infrastructure Management

📍 Leatherhead 👥  500 - 1,000 Staff 💰  $100 mil. - $250 mil.
Profile →
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Frequently Asked Questions

How does an MSSP differ from a standard MSP?

While an MSP focuses on keeping your IT infrastructure running efficiently, an MSSP focuses exclusively on securing it. MSSPs deploy advanced cybersecurity tools, conduct vulnerability assessments, and provide continuous threat hunting.

What is Managed Detection and Response (MDR)?

MDR is an advanced security service offered by MSSPs that combines technology and human expertise to continuously monitor networks, detect malicious activities, and respond to cyber threats rapidly.