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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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1,025 Provider(s)Last Updated: April 28, 2025
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Services
Cybersecurity
Business Summary:
At Digital Horizons IT Solutions, we are security focused and understand that there is no one size fits all approach to securing data & resources.
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Digital Shadows

San Francisco, CA, US
Services
Cybersecurity
Business Summary:
Digital Shadows minimizes digital risk by identifying unwanted exposure and protecting against external threats.
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Services
Cybersecurity
Business Summary:
Our cyber plans are designed to protect your networks, devices, programs, and data from all kinds of threats, attacks, damages, and unauthorized access. Get the right protection for your company with us!
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Diligex

Upper Saucon, PA, US
Services
Cybersecurity
Business Summary:
We specialize in providing Managed IT Services to Small and Mid-Sized Businesses in the New York Metro area and around the globe. Diligex offers Enterprise class IT Support and Services at a Small Business price.
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DirectDefense

Austin, TX, US
Services
Cybersecurity
Business Summary:
Our Managed Security strategies are unmatched in the industry and reflect decades of experience and world-class services.
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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DirectPointe 7, Inc.

Lindon, UT, US
Services
Business Process Outsourcing (BPO)Cybersecurity
Business Summary:
At DirectPointe®, we apply a combination of remote support with proactive preventative maintenance, monitoring services and award-winning integrated software solutions that provide real results.
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Dovestech, llc

Baltimore, MD, US
Services
Cybersecurity
Business Summary:
Dovestech is a software engineering firm which specializes in custom software solutions.
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Drummond Group

Austin, TX, US
Services
Cybersecurity
Business Summary:
A leader in global software health IT testing and certification.
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Services
Cybersecurity
Business Summary:
Creating Collaborative Connections
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Duo, Inc.

Ann Arbor, MI, US
Services
Cybersecurity
Business Summary:
My job as a communications agent is to help you find all available connectivity options based on your location(s), required bandwidth, uptime requirements, and budget. We have a fiber-first approach, but in the absence of cost effective fiber, will help you find the right solution. We have access to all providers nation-wide through our extensive master agent agreements.
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EAmmune

San Pablo, CA, US
Services
Cybersecurity
Business Summary:
EAmmune is a boutique information security firm with a proven track record of working with technology, retail, financial services, and governmental agencies to advise, develop, and implement programs tailored to their individual needs. We enable our clients to efficiently manage risk, achieve technology objectives, and meet their compliance obligations efficiently with the minimum possible business disruption.
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Services
Cybersecurity
Business Summary:
Looking for the best IT suport for your business? ECS Technology Solutions have a network security expert to help you.
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Services
Business Process Outsourcing (BPO)Cybersecurity
Business Summary:
EHPN is an IT services company that has the expertise to manage your entire IT infrastructure, from servers and networks to desktops and mobile devices.
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Services
Cybersecurity
Business Summary:
Ejr Cyber Security.com. Inc. (EJR or We) respect your privacy. This Privacy Statement informs you about our privacy practices including details of the personal data we collect, use, disclose and transfer as well as choices you can make and rights you can exercise in relation to your personal data.
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ELC Information Security

St. Petersburg, FL, US
Services
Cybersecurity
Business Summary:
Cybersecurity Awareness Training That Works. Interactive, Engaging. 24/7 Access · Free Demos · Works w/ All Devices. Social Engineering, Phishing, Data..
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ENA by Zayo

Nashville, TN, US
Services
Cybersecurity
Business Summary:
Connectivity, Communication, Cloud, Security, and Software Solutions
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EPIOZ

Buffalo, NY, US
Services
Managed Service ProvidersCybersecurity
Business Summary:
Epioz is a Citrix consulting and Citrix service provider (CSP) that offers Citrix solutions tailored to reduce your business costs, mitigate the business risks and increase your revenue. With our customized solutions, our clients are able to improve their productivity and efficiency.
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Eagle Communications, Inc.

Murfreesboro, TN, US
Services
Cybersecurity
Business Summary:
At Eagle Communications, we evaluate the way you do business so we can suggest the best cost – effective solution. Telecommunication services are constantly changing and is among the most difficult to manage in any business.
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Services
Cybersecurity
Business Summary:
EESS, Inc. provides executive protection services in San Jose, San Francisco and New York as well as international corporate training and security.
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Eden Data

Austin, TX, US
Services
Cybersecurity
Business Summary:
Virtual CISO leadership for the next generation of startups. We're on the internet now more than ever, our personal and professional life activities all are online.
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Ederytech

Virginia Beach, VA, US
Services
Cybersecurity
Business Summary:
Computers become infected because they have no security or protection – and that is costly to business owners.
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Edgile

Austin, TX, US
Services
Cybersecurity
Business Summary:
Edgile represents a new approach to security governance that moves an organizations information security group from a risk-centric function to a business-aligned capability, helping to transform how security is viewed and funded.
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Elkins PLC

New Orleans, LA, US
Services
Cybersecurity
Business Summary:
Elkins, P.L.C. assists clients in the anticipation, preparation and attention to cybersecurity risks and the associated business and legal responsibilities, consequences and responses.
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Emagined Security, Inc

San Carlos, CA, US
Services
Managed Service ProvidersCybersecurity
Business Summary:
Emagined Security is a respected managed service provider, empowering organizations to accelerate their results through proven security solutions. Our managed security services are designed to provide a highly customizable Security Operations Center (SOC) that enables a comprehensive set of capabilities while maintaining overall cost effectiveness, empowering our customers to focus on their core business.
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Emolbi

El Segundo, CA, US
Services
Cybersecurity
Business Summary:
Emolbi (ee·mole·be) is an employee-owned consulting firm focused on the development and launch of cutting-edge satellites and advanced space technologies. Emolbi delivers engineering, program management, cybersecurity, and business operations capabilities to the Department of Defense and Intelligence Community.
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Emsco Solutions

Oklahoma City, OK, US
Services
Cloud ConsultingManaged Service ProvidersGoogle CloudView all
Business Summary:
EMSCO Solutions Private Cloud Services Provider, Reliable IT Services and Network Security Solutions in Oklahoma City, Moore, Norman, Mustang, Bethany and Midwest City
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Enlighten

Linthicum Heights, MD, US
Services
Cybersecurity
Business Summary:
Enlighten IT Consulting, An Alion Company, delivers mission-critical IT services to the DoD and the intelligence community.
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Enterprise Admins LLC

Round Rock, TX, US
Services
Cybersecurity
Business Summary:
Your Information Technology and Security Solutions Provider
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Enterprise Networking Solutions

Rancho Cordova, CA, US
Services
Cybersecurity
Business Summary:
Software Solutions to Optimize People, Technology, and Management
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Services
Cybersecurity
Business Summary:
Enterprise Security and Availablity Group. Providing business continuity services.
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