Updated in October 2023

Тop Cybersecurity Companies in United States

List of the cybersecurity companies in United States for you project scale.

  • Telos

    Telos

    One of the oldest security technology providers in the US, Telos Corporation has grown into a trusted security services vendor for high-caliber customers nation-wide and globally. In addition to running a portfolio of highly successful risk and compliance assessment products, Telos also specializes in cloud security solutions and cybersecurity at the levels of networks, information and enterprise systems, having assisted highly regulated organizations with identity, communication and network management.

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    Company size

    501-1,000

    Founded

    1971

    Hourly rate

    Undisclosed

    Minimal project

    Undisclosed

    Headquarters

    Ashburn, US

    Ready to start

    2-3 weeks

    Highlights
    Is a member of the Global Cyber Alliance.
    Won the 2021 Fortress Cyber Security Award.
    Integrated records for the largest identity application in the US government.
    Core services
    100% Cybersecurity
    100%
    Key clients
    FedEx
    Verizon
    U.S. Department of State
    Raytheon Technologies
    U.S. Department of Defense
  • Fortinet

    Fortinet

    Fortinet is one of the world’s largest security technology providers. With close to 10,000 global workforce, they offer market-leading products helping organizations secure their daily operations against existing and rising cyber threats. Their services range from cloud and network security consulting to offering their own network firewall, SOC and security-as-a-service platforms in addition to multiple products for advanced threat protection, zero-trust access, and more.

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    Company size

    5,001-10,000

    Founded

    2000

    Hourly rate

    Undisclosed

    Minimal project

    Undisclosed

    Headquarters

    Sunnyvale, US

    Ready to start

    1 mounth+

    Highlights
    Is a Leader in the 2021 Gartner Magic Quadrant for Network Firewalls.
    Is a stock exchange-listed company.
    Has obtained 1,250+ global patents.
    Core services
    100% Cybersecurity
    100%
    Key clients
    Servizi Italia
    BMW Motorsport
    Siemens
    OneLink
  • Dynatrace

    Dynatrace

    Dynatrace is a US-based public company offering both platform-based and on-demand services addressing their clients’ needs in cloud-driven transformation. Their key specialty is software intelligence delivered through an all-in-one AI-powered platform that automates infrastructure, application and security monitoring, among other areas. The company also assists in enabling autonomous cloud, i.e. fully automating DevOps pipelines, and more essential tech-driven fields of a modern enterprise.

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    Company size

    1,001-5,000

    Founded

    2005

    Hourly rate

    Undisclosed

    Minimal project

    Undisclosed

    Headquarters

    Waltham, US

    Ready to start

    3-4 weeks

    Highlights
    Operates across 50 offices globally.
    Holds partnerships with AWS and Microsoft.
    Is recognized as a Leader in the 2021 Gartner Magic Quadrant for Application Performance Monitoring.
    Core services
    30% Cybersecurity
    30%
    30%
    20%
    20%
    Key clients
    Experian
    SAP
    Kroger
    BT
  • Electric AI

    Electric AI

    Grown from a startup founded in 2016 into an acclaimed IT support innovator, Electric is a New York-based specialized provider of IT support and security services. They run their proprietary technological platform for centralized IT management that covers real-time support, security and all-round management of devices, apps, networks, inventory and servers. On top of that, they are ready to assist with their clients’ employee onboarding, handling IT requests.

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    Company size

    201-500

    Founded

    2016

    Hourly rate

    Undisclosed

    Minimal project

    No limit

    Headquarters

    New York, US

    Ready to start

    2-3 weeks

    Highlights
    Has served over 30,000 end users.
    Has acquired SINU and Techvera.
    Has raised $40 million in its series C funding round.
    Core services
    60% Cybersecurity
    60%
    40%
    Key clients
    Mercari
    Vevo
    Riparian
    Pacific Catch
  • NetSPI

    NetSPI

    In business since 2001, NetSPI fully focuses on penetration testing in its many facets, covering application, network, cloud and other types of pentesting. They also offer their own product for vulnerability management called Resolve, in addition to an extensive range of educational resources, such as podcasts, webinars, open-source tools, and wiki. One of their services is training for pentesting professionals, offered as private and public courses.

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    Company size

    51-200

    Founded

    2001

    Hourly rate

    Undisclosed

    Minimal project

    Undisclosed

    Headquarters

    Minneapolis, US

    Ready to start

    2-3 weeks

    Highlights
    Offers penetration testing as a service.
    Has served 9 of the top US banks and cloud providers.
    Completes 150,000 hours of testing annually.
    Core services
    90% Cybersecurity
    90%
    10%
    Key clients
    Medtronic
    Hewlett Packard
    Microsoft
    U.S. Air Force
  • General Networks Corporation

    General Networks Corporation

    Founded almost four decades ago, General Networks now is a leading IT system integration that has branched out into three divisions that build collaboration and content management solutions in addition to providing full-cycle IT consulting services. Their primary focus is business content management automation, security, and cloud infrastructure as well as managed IT support.

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    Company size

    51-200

    Founded

    1984

    Hourly rate

    $151 - 200

    Minimal project

    No limit

    Headquarters

    Glendale, US

    Ready to start

    >2 weeks

    Highlights
    Is a Microsoft Gold Partner.
    Their content management solutions are in use by 200,000+ users daily.
    Has served 250+ customers.
    Core services
    100% Cybersecurity
    100%
    Key clients
    Frasco Inc.
    SurrogateFirst
    BrandVia
    Kennedy Produce
    Trusaic
    PACE LA
  • Liventus

    Liventus

    For almost 20 years, Liventus has been providing technology advisory and engineering services to financial and digital retail businesses. They focus on security and transparency of cooperation, emphasizing secure coding practices and their straightforward project accountability. To aid in their industry-specific software delivery, they have partnership statuses with Microsoft, Magento (now part of Adobe Commerce), Cisco, WordPress, and other vendors.

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    Company size

    51-200

    Founded

    2002

    Hourly rate

    $101 - 150

    Minimal project

    $10k

    Headquarters

    Northbrook, US

    Ready to start

    >2 weeks

    Highlights
    Specializes particularly in fintech and ecommerce solutions.
    Is located across the US with an overseas office in Bangalore, India.
    Has grown to 100+ professionals covering end-to-end IT services.
    Core services
    30% Cybersecurity
    30%
    20%
    50%
    Key clients
    Tag Heuer
    Glentronics
    NOW Foods
    Relay Health
    Broadway Direct
  • Dataprise

    Dataprise

    Since 1995, Dataprise has established itself as a trusted provider of managed IT and consulting services for customers across the world. They assist with network support, help desks, data center operations, disaster recovery, information security and more aspects of running a modern secure business. They cater to every side of managing enterprise technology, including networks, applications, access, and software support, so that their customers can focus on the core parts of their operations safely.

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    Company size

    201-500

    Founded

    1995

    Hourly rate

    Undisclosed

    Minimal project

    Undisclosed

    Headquarters

    Rockville, US

    Ready to start

    2-3 weeks

    Highlights
    Maintains 850+ active certifications.
    Shows consecutive growth for 25+ years.
    Has served 5,000+ customers.
    Core services
    50% Cybersecurity
    50%
    50%
    Key clients
    National Trust for Historic Preservation
    Time Out Group
    MidCap Financial Services
  • Techmd

    Techmd

    TechMD is a small California-based company that started out in 2003 as a small cybersecurity and managed IT agency. Since then, TechMD has acquired a string of success stories across industries, helping their clients protect their information systems and implement advanced IT strategies with security at the core. They also consult on cloud solutions integration and management.

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    Company size

    51-200

    Founded

    2003

    Hourly rate

    $151 - 200

    Minimal project

    No limit

    Headquarters

    Santa Ana, US

    Ready to start

    >2 weeks

    Highlights
    Is SSAE-19 certified.
    Was named the best managed IT services provider in 2020 by Digital.com.
    Received UpCity’s 2021 Local Excellence Award.
    Core services
    80% Cybersecurity
    80%
    20%
    Key clients
    Girl Scouts of Greater Los Angeles
    J. Derek Lewis & Associates
    Promofill
    Russell & Lazarus APC
  • DOOR3

    DOOR3

    A small US-based consulting company, DOOR3 has a time-proven experience in completing complex projects. Their services include tech consulting, software development and UX design, with solutions ranging from web and mobile apps to standalone visual design. They approach each task with a thorough understanding of the client’s needs, addressing business challenges with a zest and profound awareness of each project’s specifics.

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    Company size

    51-200

    Founded

    2002

    Hourly rate

    $151 - 200

    Minimal project

    $20k

    Headquarters

    New York, US

    Ready to start

    >2 weeks

    Highlights
    Is headquartered in New York, US.
    Has created D3 Labs for open-source software development.
    Completed 500+ projects.
    Core services
    15% Cybersecurity
    15%
    15%
    15%
    30%
    15%
    10%
    Key clients
    FreshDirect
    Stillwell-Hansen
    Cadwalader
    Knovel
  • ONE Tech

    ONE Tech

    Operating from their Texas headquarters, One Tech AI is a specialized artificial intelligence and IoT software provider with a portfolio of own products as well as custom development services. The other side of their service offering is cybersecurity, which is essential for their mission of helping companies around the world run their business smarter and more securely. They work with customers from complex and highly regulated industries, carefully assisting them with optimizing their assets through technology.

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    Company size

    11-50

    Founded

    2018

    Hourly rate

    Undisclosed

    Minimal project

    Undisclosed

    Headquarters

    Dallas, US

    Ready to start

    >2 weeks

    Highlights
    Offers two proprietary AI-driven products.
    Has won the 2020 AI Breakthrough Award.
    Also runs offices in India and Japan.
    Core services
    55% Cybersecurity
    55%
    45%
    Key clients
    Renesas
    Fuji Natural Foods
    Nutrient
    Daikin
  • Empist

    Empist

    Founded in Chicago more than 20 years ago, now Empist is a mid-sized innovation agency with a mission to cover digital needs of their clients end to end. Providing both IT and digital product development services, they are ready to take on full-cycle IT management, custom software engineering and even digital marketing duties for businesses in financial, legal, healthcare, non-profit and manufacturing industries.

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    Company size

    11-50

    Founded

    2000

    Hourly rate

    $151 - 200

    Minimal project

    No limit

    Headquarters

    Chicago, US

    Ready to start

    >2 weeks

    Highlights
    Has more than 25 established tech partnerships.
    Runs a dedicated referral program.
    Offers a range of free tools for security assessment.
    Core services
    50% Cybersecurity
    50%
    50%
    Key clients
    American Sale
    Avax
    Hello Healthy
    Zutano
    Lori’s
  • Innovative Technology Solutions

    Innovative Technology Solutions

    ITS is a US-based managed IT services vendor with 500+ IT professionals providing their assistance across domestic delivery centers and internationally. They are competent in helping with IT strategy, user support, cybersecurity, consulting, and service desk outsourcing across multiple industry verticals. The company offers its 35-year global experience and serves mid-to-large enterprises across its locations in the US, Latin America, and Europe.

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    Company size

    51-200

    Founded

    1998

    Hourly rate

    Undisclosed

    Minimal project

    Undisclosed

    Headquarters

    Schaumburg, US

    Ready to start

    2-3 weeks

    Highlights
    Reports a 98% customer satisfaction rate.
    Is part of Advanced Technology Services Inc.
    Is a partner of Microsoft, Cisco and others.
    Core services
    60% Cybersecurity
    60%
    40%
  • DirectDefense

    DirectDefense

    For the past 10+ years, this US-based company has been rendering their first-class security testing assistance, helping their clients improve their cybersecurity protection at all levels of business infrastructures. They stand out with their personalized future-proof approach and are ready to jump in whenever there’s a need for all-round security consulting and compliance assessment. They also help with ad-hoc cybersecurity audits as well as continuous managed services.

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    Company size

    11-50

    Founded

    2011

    Hourly rate

    $151 - 200

    Minimal project

    No limit

    Headquarters

    Englewood, US

    Ready to start

    >2 weeks

    Highlights
    Has experience in highly regulated industries.
    Is recognized on CRN’s Security 100 list.
    Is on the Inc. 500 list.
    Core services
    55% Cybersecurity
    55%
    15%
    30%
    Key clients
    THE NATIONAL EDUCATION ASSOCIATION
  • OSIbeyond

    OSIbeyond

    OSIbeyond is a small specialized cybersecurity agency based in Maryland, US. Founded in 2004, they have matured their expertise in managed IT services and cybersecurity protection, extending their knowledge and skills to end-to-end security solution engineering, which is complemented with their boutique customer service. They are qualified to assist with IT strategy, cloud infrastructure management and protection, IT support and more, for their clients to have a peace of mind and delegate these critical duties to a trusted vendor OSIbeyond is.

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    Company size

    11-50

    Founded

    2004

    Hourly rate

    $101 - 150

    Minimal project

    $10k

    Headquarters

    Rockville, US

    Ready to start

    >2 weeks

    Highlights
    Is a Microsoft Certified Silver Cloud Platform partner.
    Also assists with CMMC compliance.
    Mostly serves small and mid-sized clients.
    Core services
    80% Cybersecurity
    80%
    20%
    Key clients
    KSJ & Associates
    National Fisheries Institute
    American Society of Gene and Cell Therapy
    Universities Research Association
  • Catapult Systems

    Catapult Systems

    A Microsoft partner in digital transformation and cloud-based technologies, Catapult Systems, based in Texas, USA, was founded in 1993. The company specializes in providing services in in artificial intelligence, business intelligence, cloud services, custom development, cyber security, device management, intranet services, managed services, mobile solutions, systems management, unified communications, user centered design, virtualization and web solutions.

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    Company size

    201-500

    Founded

    1993

    Hourly rate

    $101 - 150

    Minimal project

    No limit

    Headquarters

    Austin, US

    Ready to start

    2-3 weeks

    Highlights
    Top Microsoft 365 Security Partner (FY20).
    Winner ‘2020 MSUS Partner Award Azure – DevOps’.
    Strategic partnerships: VMWare, Metalogix, Lookout, 1E, Content Panda, Nintex, Aware, Powersolv.
    Core services
    10% Cybersecurity
    10%
    20%
    10%
    30%
    30%
    Key clients
    Tokyo Electron
    mETRO
    Alliance Data
    Carl’s Jr.
  • GadellNet Consulting Services

    GadellNet Consulting Services

    Founded in 2003, GadellNet Consulting Services serves startups and established small to mid-sized businesses in St. Louis, Missouri, Indianapolis, Indiana, and Denver, Colorado, USA. The company specializes in providing IT support services, IT strategic services and cybersecurity for the following industries: accounting and CPA, construction and architecture, education (K-12), financial services, fraternity and sorority, law firms, marketing and advertising, and non-profit.

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    Company size

    51-200

    Founded

    2003

    Hourly rate

    Undisclosed

    Minimal project

    Undisclosed

    Headquarters

    St. Louis, US

    Ready to start

    2-3 weeks

    Highlights
    Recognized for consecutive years in ‘Small Business Monthly's "Best in Business"​ Consulting Firm’.
    Recognized in ‘Indiana Chamber's Best Places to Work’ for both 2020 and 2021.
    Is a certified B Corporation.
    Core services
    10% Cybersecurity
    10%
    10%
    20%
    25%
    35%
  • MegaplanIT

    MegaplanIT

    Based in the US, Megaplan IT is an expert provider of security consulting, quality assurance and managed IT services with a particular focus on compliance assessment. Their primary areas of expertise are penetration testing, vulnerability management, managed security, and training, all aimed at making their clients’ digital assets fully protected and shielded against emerging cybersecurity threats.

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    Company size

    11-50

    Founded

    2009

    Hourly rate

    $151 - 200

    Minimal project

    No limit

    Headquarters

    Scottsdale, US

    Ready to start

    >2 weeks

    Highlights
    Holds key cybersecurity certifications.
    Is authorized to carry out NIST assessments.
    Is an official partner of Rapid7, vCore, and others.
    Core services
    100% Cybersecurity
    100%
  • Aligned Technology Solutions

    Aligned Technology Solutions

    This small private company based in the US is a provider of full-range managed IT services. They offer to take up organizations’ responsibilities when it comes to system monitoring, maintenance, remote access support, data backup and recovery, as well as asset management. In addition to that, they undertake cybersecurity consulting, provision and training, which also includes assistance with CMMC certification.

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    Company size

    11-50

    Founded

    2009

    Hourly rate

    Undisclosed

    Minimal project

    Undisclosed

    Headquarters

    Washington, US

    Ready to start

    >2 weeks

    Highlights
    Is an CMMC-AB Registered Provider Organization.
    Operates across four locations US-wide.
    Offers free e-books on cybersecurity, cloud, and more.
    Core services
    80% Cybersecurity
    80%
    20%
    Key clients
    TFC Consulting
    Information Technology Coalition
    Vendor Centric
  • Ripple IT

    Ripple IT

    Based in Atlanta, US, Ripple IT is a pure-play provider of managed IT services. They have come up with their own effective framework for delivering managed IT for everyone, that is covering their clients’ needs end to end with their solutions for IT managers, C-suite, and employees to create smoothly functioning and secure IT environments. They also help set up remote and hybrid offices along with disaster mitigation and network administration services.

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    Company size

    11-50

    Founded

    1997

    Hourly rate

    Undisclosed

    Minimal project

    $10k

    Headquarters

    Atlanta, US

    Ready to start

    >2 weeks

    Highlights
    Is on the Inc. 5000 list.
    Operates a registered trademark, Humans First® Managed IT.
    Is a Result-Only Work Environment (ROWE).
    Core services
    95% Cybersecurity
    95%
    Key clients
    rooker
    sixthman
    ffs
    lyda fire
    matchstic
    chemistry