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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 29, 2025
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Grim Co Technologies teams deliver solutions for advanced clients in highly competitive scenarios.
Services Offered
Cybersecurity
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GroundForce IT

Glen Allen, VA, US See Location
We specialize in networked communication systems, particularly LAN/WAN solutions of varied size and complexity.
Services Offered
Cybersecurity
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Growth Orbit

Johns Creek, GA, US See Location
We generate high-quality sales leads for cybersecurity firms
Services Offered
CybersecurityBusiness Process Outsourcing (BPO)
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Guardian IT provides IT support and management to small businesses in Austin and Surrounding Cities. Enjoy our full-time helpdesk, process optimization, cloud migrations and more.
Services Offered
Cybersecurity
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Our certified training programs are focused on delivering the most current and most effective investigation practices utilizing only the best tools.
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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Full-service Technology Consultant - Finding the right-sized solution to best fit your company.
Services Offered
Cybersecurity
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HI Tech Hui

Honolulu, HI, US See Location
HI Tech Hui specializes in IT support and cyber security services in Hawaii, offering premium IT support, cyber security, network support, cloud computing, IT consulting and more.
Services Offered
Managed Service ProvidersIT ServicesCybersecurity
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HORNE Cyber

Memphis, TN, US See Location
HORNE Cyber uncovers hidden cyber risk and reduces exposure to threats through offensive cybersecurity services, specializing in Advanced Penetration Testing.
Services Offered
Cybersecurity
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HQ Software Consulting provides comprehensive end-to-end enterprise security. Since its founding in 1995, HQ Software Consulting has provided high-quality software consulting services to public and private sector businesses in the US.
Services Offered
Cybersecurity
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Haight Bey & Associates LLC is a certified ISO 9001-2015 company that provides electrical, mechanical, and civil, engineering, design and services.
Services Offered
Cybersecurity
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We offered professional Information Technology services & solutions to our clients.
Services Offered
Cybersecurity
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Help Wizards

Columbus, OH, US See Location
Our dynamic team of certified technicians and business IT experts will provide you with custom service specific for your needs in ways best suited for your business. Whether development of an entire Corporate Intranet or technical support for a single workstation, you’ll receive more than expert advice or technical assistance.
Services Offered
Cybersecurity
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J2 IT Group is a technology consulting and managed services provider based out of Southeastern Michigan. #J2ITGroup
Services Offered
Cybersecurity
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Helping small to mid-sized businesses utilize the latest advancements in technology to become more efficient and profitable.
Services Offered
Cybersecurity
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Hire A Cyber Pro specializes in conducting security assessments. Then provides their clients with security solutions to increase their organizations cybersecurity posture. We also conduct penetration tests, develop cybersecurity policy, and more.
Services Offered
Cybersecurity
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Hunt's Computer Solutions, LLC specializes in Managed IT Services, providing Network Security and Cloud Computing in Nolensville, Brentwood, Franklin, Nashville, Murfreesboro, and La Vergne.
Services Offered
Cybersecurity
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Hydrasat is a strategic, security-focused firm that specializes in helping clients optimize their IT.
Services Offered
Cybersecurity
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Hyopsys

Erdenheim, PA, US See Location
The Hyopsys strategy is to Empower Businesses to use Technology for their competitive advantage. Technology does not have to be seen as a cost but rather a means to facilitate value. Make technology work the way you want it to with custom IT solutions and services.
Services Offered
Cybersecurity
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Founded in 1997 by Uzair Sattar, ICE Consulting offers a comprehensive range of managed IT services and managed security services to small to medium-sized enterprise clients in a range of industries—with an emphasis on biotech and life sciences.
Services Offered
CybersecurityBusiness Process Outsourcing (BPO)
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ICE Mortgage Technology is the leading cloud-based platform provider for the mortgage finance industry.
Services Offered
Cybersecurity
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ICS Medtech provides affordable Cyber Security as a Service to companies of all industries to provide the ability to monitor, alert, and control a breach.
Services Offered
Cybersecurity
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IKON Software Services

Farmington Hills, MI, US See Location
IKON Software Services is a company incorporated in Michigan, USA. IKON’s core competency lies in expertise staffing, IT Consulting, and state of the art software development to meet the requirements of some of the major clientele across the world.
Services Offered
Cybersecurity
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IPSecure, Inc

San Antonio, TX, US See Location
IPSecure provides a full spectrum of Enterprise and SMB Cybersecurity services to government and commercial sectors worldwide.
Services Offered
Cybersecurity
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ISSE Services

Elk Grove, CA, US See Location
ISSE Services is a woman-owned small business providing expert-level cybersecurity engineering, monitoring and compliance to government and commercial clients. With over 30 years of experience in multiple industries, ISSE Services is uniquely qualified to protect what's most important to you.
Services Offered
Managed Service ProvidersCybersecurity
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IT Ninjas specializes in providing the best affordable IT services. We won't "tech-talk" you and want to make sure you understand everything!
Services Offered
Cybersecurity
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ITelagen

Jersey City, NJ, US + 1 More Location
ITelagen’s IT Services are the building blocks to creating solutions to manage your equipment, data, and EHR software, while providing white glove support.
Services Offered
Managed Service ProvidersCybersecurity
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ImageQuest

Nashville, TN, US See Location
We provide best-in-class managed IT, Cybersecurity and IT compliance services to clients in Nashville, Tennessee and Louisville, Kentucky, and regionally.
Services Offered
Managed Service ProvidersCybersecurityCloud Consulting
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ImagineSTL

St. Louis, MO, US See Location
At ImagineSTL, we combine IT maintenance and monitoring with cutting-edge technologies to combat cyber-crime.Cybersecurity solutions and state-of-the-art IT protection strategies are provided by our cybersecurity experts. These four layers comprise our categorization of these strategies.
Services Offered
Cybersecurity
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Imperial Security

Philadelphia, PA, US See Location
Providing professional armed and unarmed security personnel since 1993. #YourProtectionOurPromise
Services Offered
Cybersecurity
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In-Telecom

Slidell, LA, US See Location
We are a full service technology company providing customized solutions for cloud telephones, voice over IP (VoIP), managed IT services, video conferencing, cyber security, data backup, security cameras, access control, fiber internet services, and more.
Services Offered
Cybersecurity
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