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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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Deeptree

Wasilla, AK, US See Location
Deeptree is experienced in providing managed services to various industries, but specializes in finance, education, and healthcare.
Services Offered
Cybersecurity
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Defensible Technology helps organizations protect information, trade secrets, intellectual property, & confidential communications from cyber threats.
Services Offered
Cybersecurity
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Delta Risk

San Antonio, TX, US See Location
Delta Risk is a leader in cyber security, offering managed security services, cloud security, and advisory and assessments to protect your organization.
Services Offered
Managed Service ProvidersCybersecurityCloud ConsultingAmazon Web Services (AWS)
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We are a fully managed internet service provider and IT services agency. We provide best in class fiber internet and network services and act as broker-consultants for your other IT needs.
Services Offered
Cybersecurity
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Digiss

San Antonio, TX, US See Location
Your cyber security capabilities in relation to your business realities
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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Digital Boundary Group is an information technology security assurance services firm serving clients throughout North America.
Services Offered
Cybersecurity
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Our digital forensics service expert team provides digital evidence and support for any forensic need. We service data breach emergencies, intellectual property theft suspicions, cyber security concerns, and personal forensic investigations. Protect your
Services Offered
CybersecurityForensic Accounting
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At Digital Horizons IT Solutions, we are security focused and understand that there is no one size fits all approach to securing data & resources.
Services Offered
Cybersecurity
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Digital Shadows minimizes digital risk by identifying unwanted exposure and protecting against external threats.
Services Offered
Cybersecurity
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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!
Services Offered
Cybersecurity
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Diligex

Upper Saucon, PA, US See Location
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.
Services Offered
Cybersecurity
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Our Managed Security strategies are unmatched in the industry and reflect decades of experience and world-class services.
Services Offered
Cybersecurity
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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.
Services Offered
CybersecurityBusiness Process Outsourcing (BPO)
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Dovestech, llc

Baltimore, MD, US See Location
Dovestech is a software engineering firm which specializes in custom software solutions.
Services Offered
Cybersecurity
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A leader in global software health IT testing and certification.
Services Offered
Cybersecurity
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Creating Collaborative Connections
Services Offered
Cybersecurity
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Duo, Inc.

Ann Arbor, MI, US See Location
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.
Services Offered
Cybersecurity
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EAmmune

San Pablo, CA, US See Location
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.
Services Offered
Cybersecurity
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Looking for the best IT suport for your business? ECS Technology Solutions have a network security expert to help you.
Services Offered
Cybersecurity
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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.
Services Offered
CybersecurityBusiness Process Outsourcing (BPO)
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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.
Services Offered
Cybersecurity
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Cybersecurity Awareness Training That Works. Interactive, Engaging. 24/7 Access · Free Demos · Works w/ All Devices. Social Engineering, Phishing, Data..
Services Offered
Cybersecurity
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ENA by Zayo

Nashville, TN, US See Location
Connectivity, Communication, Cloud, Security, and Software Solutions
Services Offered
Cybersecurity
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EPIOZ

Buffalo, NY, US See Location
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.
Services Offered
Managed Service ProvidersCybersecurity
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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.
Services Offered
Cybersecurity
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EESS, Inc. provides executive protection services in San Jose, San Francisco and New York as well as international corporate training and security.
Services Offered
Cybersecurity
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Eden Data

Austin, TX, US See Location
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.
Services Offered
Cybersecurity
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Ederytech

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

Austin, TX, US See Location
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.
Services Offered
Cybersecurity
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Elkins PLC

New Orleans, LA, US See Location
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.
Services Offered
Cybersecurity
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