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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: November 2, 2025
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Mosaic451

Las Vegas, NV, US + 1 More Location
Mosaic451‚Ñ¢ provides managed cyber security services, operational intelligence & technology to protect our client's networks and data.
Services Offered
Cybersecurity
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Muller & Associates specializes in providing IT Consulting, Managed IT Services, and IT Support to businesses in the Sacramento area.
Services Offered
Managed Service ProvidersCybersecurity
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Multiply

Indianapolis, IN, US See Location
We help global enterprises and rapidly growing orgs implement complex IT Asset Management strategies and solutions.
Services Offered
Cybersecurity
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NCC Group

San Francisco, CA, US + 4 More Locations
NCC Group is an information assurance firm headquartered in Manchester, United Kingdom.
Services Offered
Cybersecurity
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NLE

Orem, UT, US See Location
After 30 years in the IT industry, we decided to alter direction. Now, we share use our experience to help others. Our ramp up process is designed to empower your technical team and outfit them with the tools they need to succeed.
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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NODE

San Antonio, TX, US See Location
Node LLC is a fast growing Managed IT Services in San Antonio. We are provider of Managed IT Services, San Antonio including Web development, SEO, Digital Marketing, Helpdesk, Cloud Provisioning, Cyber Security and Wordpress Hosting. Our customers typi...
Services Offered
Managed Service ProvidersCybersecurityCloud ConsultingWordPress DevelopmentAmazon Web Services (AWS)
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NSAO

North Canton, OH, US See Location
We're in this business to help other small businesses grow and move forward. It's as simple as that. We're driven by the philosophy that if we help local businesses solve their IT issues so they can become more profitable and successful, then we will inherently grow along with them.
Services Offered
Cybersecurity
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Incognito Technology Services is one of the best cyber security consulting firms that offers top cyber security and enterprise solutions.
Services Offered
CybersecurityCloud Consulting
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Neodru

San Diego, CA, US See Location
Small Business and Personal Digital Marketing Services Specializing in Web Design and Content Creation.
Services Offered
Cybersecurity
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NephōSec

Cincinnati, OH, US See Location
Our company’s name NephōSec is the blending of two words. Nephos which is the Greek term for a cloud or mass of clouds and Security. The blending of the two terms into NephōSec meaning Cloud Security.
Services Offered
Cybersecurity
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At Nerds in a Flash our goal is to provide valuable computer repair service in Austin and San Antonio, Texas through our knowledgeable and friendly staff who are focused on delivering optimal results in a timely matter.
Services Offered
Cybersecurity
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Net Effects, LLC is an expert IT company that offers: Web Development, Computer repair, MSP, Cyber Compliance and Computer sales in Brunswick Ohio and surrounding communities.
Services Offered
Cybersecurity
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Managed IT Services and IT Security & Strategy for small businesses, based in Raleigh and Durham, North Carolina with customers across the state and nationwide. We've been delivering a seamless blend of IT solutions and services for over 20 years.
Services Offered
Cybersecurity
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For 15 years, Net Reaction has worked with small and midsized companies across industry verticals.
Services Offered
Cybersecurity
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Net Sciences

Albuquerque, NM, US See Location
Net Sciences offers Local IT Support and we have a seasoned IT Services team that deliver state-of-the-art managed IT services in Albuquerque and Santa Fe
Services Offered
Managed Service ProvidersIT ServicesCybersecurity
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NetActuate

Raleigh, NC, US See Location
DevOps, Remote Hands, and 24×7 Expert Support. Our DevOps engineers get it, and are ready to enable your global edge. We can support customized specific needs, or manage and optimize your entire deployment.
Services Offered
Managed Service ProvidersCybersecurity
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NetWiz Computers can handle all your Information Technology support needs. We offer services such as Infomation Technology support, network security, backup, and cloud computing, in Placentia, California, and a 35-mile radius.
Services Offered
Cybersecurity
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NetWorks Group

Ann Arbor, MI, US See Location
NetWorks Group provides enterprise security services including security monitoring, ethical hacking, and security device management
Services Offered
Managed Service ProvidersCybersecurity
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Netgate

Austin, TX, US See Location
We provide leading-edge network security at a fair price - regardless of organizational size or network sophistication.
Services Offered
Cybersecurity
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Netswitch Inc.

South San Francisco, CA, US See Location
After you have had time to remedy any deficiencies, you can continue your journey with Netswitch by subscribing to SecurlA®, our managed Platform as a Service (PaaS).
Services Offered
Managed Service ProvidersCybersecurity
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Network Concepts had provided Computer Support, IT Consulting, Backup and data recovery, Managed IT Services, and VoIP since 2005.
Services Offered
Cybersecurity
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Looking for IT services in Salt Lake City, UT? Call Network Providers, Inc.! We specialize in managed IT services and data backup and recovery.
Services Offered
Managed Service ProvidersCybersecurity
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Network-iQ

Concord, CA, US See Location
Network-iQ has created partnerships with the best technology companies in the world. These agreements give us the flexibility to provide your business enterprise level security, productivity, and connectivity solutions without the enterprise costs.
Services Offered
Cybersecurity
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Technology solutions for your every need. From phone systems to network infrastructure, we’ve got you covered. See how we can work for you.
Services Offered
Cybersecurity
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Netwoven Inc

Pleasanton, CA, US See Location
We unravel the complex, to create business solutions that work, within your already established Microsoft ecosystem. At Netwoven, we want to be your trusted Microsoft Gold Partner, and we're here to assist you every step of the way.
Services Offered
Cybersecurity
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We offer business IT support services to companies across Central Florida and Southeast Michigan with managed IT services, cyber security, and more.
Services Offered
Cybersecurity
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NexGen Communications

Hendersonville, TN, US See Location
NexGen Communications in Nashville, TN specializes in helping companies with all of their business communication needs.
Services Offered
Cybersecurity
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NexTek, LLC

Memphis, TN, US See Location
NexTek provides the all of the essential IT services that are critical to the success and seamless operation of any business.
Services Offered
Cybersecurity
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NextLabs

San Mateo, CA, US See Location
The core of NextLabs' data-centric security solutions is our Dynamic Authorization technology with Attribute-Based Access Control (ABAC).
Services Offered
Cybersecurity
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Nexus Systems Inc

Philadelphia, PA, US See Location
Nexus Systems Inc. is a local systems integration and technology consulting company. We build innovative and reliable solutions for SOHO (small office, home office) and SMB (small to medium business) users.
Services Offered
Cybersecurity
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