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Top Cybersecurity Companies

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Looking for the best cybersecurity company in the United States? UpCity compiles authentic reviews, company descriptions, project examples, and more into a list for you to review. Feel confident you're finding the top provider for your business.

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1,043 Provider(s)Last Updated: October 31, 2025
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CCI offers IT services and IT support for large and small companies & organizations throughout Kansas City and surrounding area.
Services Offered
Cybersecurity
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Communication Square LLC

Farmington Hills, MI, US See Location
An organization that helps Government and Enterprise customers get more productive & secure in the cloud, Communication Square LLC is a leading Microsoft Partner across the globe.
Services Offered
Cybersecurity
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Comnet Consulting, Inc. is the premier IT support and consulting firm in South West.
Services Offered
Cybersecurity
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Comp Solutions, LLC provides a wide range of computer services to small businesses throughout western PA. We solve computer problems on-site and through remote access. We have been in business since 01/2000.
Services Offered
Managed Service ProvidersCybersecurity
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CompSF IT Solutions.

San Francisco, CA, US See Location
We help small and medium-size businesses transition to the digital world. We specialize in cloud migration and cyber security services.
Services Offered
Cybersecurity
2022 Study: 50% of SMBs Have a Cybersecurity Plan in Place | UpCity

This UpCity study presents insight from 600 U.S. small business owners and IT experts on their latest cybersecurity practices, data breach prevention, and disaster recovery measures in 2022.

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CTS provides nationwide IT support, management, and consulting services for the real estate industry, including development, multifamily, mixed-use, residential, and property management companies for an all-inclusive, flat monthly rate.
Services Offered
Managed Service ProvidersCybersecurity
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Attacks and Hacks are increasing exponentially. We deliver strategy to protect your operations and finances against today's top threats. If you don't own your network, someone else does.
Services Offered
Cybersecurity
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CompuTech

Bountiful, UT, US See Location
We focus first on providing solutions that meet your needs, regardless of your size or budget. This unique approach to Managed IT services sets us apart from the competition.
Services Offered
Cybersecurity
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Since 1989. We help businesses connect, secure, and communicate.
Services Offered
Cybersecurity
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CIS delivers Competence, Innovation, and Strategy to help you grow your business. We'd love to chat with you about what you do and how CIS can help your business grow.
Services Offered
Managed Service ProvidersCybersecurity
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Computer Networks

Virginia Beach, VA, US See Location
Medical Practice IT Experts, HIPAA compliance, IT Techs, IT provider, services, solutions, HIPAA Risk Analysis, IT HIPAA, Network Administration, Managed Services, IT services, data backup, disaster recovery, remote IT, medical practice, Medical IT Exp...
Services Offered
Managed Service ProvidersCybersecurity
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Concensus Technologies

Cranberry Township, PA, US See Location
With two decades of experience, we are your one-stop-shop for business, security, and IT solutions. Learn more about what makes us different.
Services Offered
Cybersecurity
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Confluera Inc.

Palo Alto, CA, US See Location
Confluera is the leading provider of cloud cybersecurity detection and response, offering real-time sequencing of various attack steps found in modern cyberattacks.
Services Offered
Cybersecurity
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Confluxsys is an Information Security Management product and consulting services company, with extensive domain experience in Identity & Access Management (IAM), Identity Federation, Web Services Security, Security Information Management (SIM) and Compliance.
Services Offered
Cybersecurity
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With nearly 30 years in the IT consulting and staffing business focused on Microsoft technologies, our experience that has been brought to ConneXion-IT enables us to build a significant database of Microsoft technologists, project managers and analysts
Services Offered
Managed Service ProvidersCybersecurity
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With us as your Managed Services Provider, you have an entire team of IT specialists ready to guide your business into the future as your Virtual CTO. We see your company as our own and take pride in providing Low Rate costs to keep your company focused on growth and business development while we handle and manage all company IT needs.
Services Offered
Managed Service ProvidersIT ServicesCybersecurity
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In today's environment we are faced with more threats to our networks and more business pressure than ever before. Today, we are all responsible for not just managing the network, but also reining in inefficiencies, preventing data breaches and more widespread infrastructure threats, conducting regular compliance audits and answering to line-of-business demands.
Services Offered
Managed Service ProvidersCybersecurity
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Conquest Cyber

Nashville, TN, US See Location
Conquest was purpose built and demand driven to address critical gaps in our national approach to cyber defense.
Services Offered
Cybersecurity
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Convergint

Springdale, AR, US See Location
With a culture of integrity, accountability & service, Convergint is committed to being our customers' best service provider. Design, Installation, Service
Services Offered
Cybersecurity
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Carmel IN Security Camera Systems & CCTV Surveillance professional installation.
Services Offered
Cybersecurity
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Copper River IT delivers high performance technology solutions and services through cost effective platforms that help drive innovation and maximize ROI.
Services Offered
Cybersecurity
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Providing Federal clients with advanced cyber security, cloud, server, and data center products & services through unique 8(a) sole source benefits
Services Offered
Cybersecurity
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Core IT provides professionally managed hosting, cloud infrastructure and cloud services for businesses. For more information visit CoreITX.com.
Services Offered
Cybersecurity
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Craft Compliance offers specialized security IT services for organizations, without the fluff.
Services Offered
Cybersecurity
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OUR NETWORK SECURITY SERVICES HELP YOU MANAGE ACCESS TO SENSITIVE DATA, SECURITY SYSTEMS, AND MORE.
Services Offered
Cybersecurity
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Critical Fault's team of certified Red Team operators test products, facilities, networks, applications, IoT, source code, and more.
Services Offered
Cybersecurity
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The Cronus Cybersecurity service eliminates the need for expensive external hardware installation quickly and cost-effectively.
Services Offered
Cybersecurity
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CyLumena

Pittsburgh, PA, US See Location
CyLumena, a Pittsburgh based company, offers cybersecurity services to protect your digital data from cyber attacks.
Services Offered
Cybersecurity
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Cyber Assurance is located in the Lake Tahoe area and near Silicon Valley and San Francisco. We are here for all of your cyber security needs
Services Offered
Cybersecurity
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Cyber City

New York, NY, US See Location
Cyber City provides small businesses in NYC and beyond with outstanding technology services and support.
Services Offered
CybersecurityVirtual Assistant
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