Top 100 Network Security Companies in California
The Best of December 2025Looking for a top network security firm in California?
Network security is critical for businesses. Protecting sensitive data and preserving trust are top priorities. Network security companies offer services like threat detection, encryption, assessments, and incident response planning. By partnering with these experts, businesses can fortify their defenses and maintain their reputation in the face of evolving cyber threats.
To assist you in your search for a partner, we’ve compiled this list of the top network security service providers in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Network Security Providers
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1$5,000+250 - 999 employeesGlendale, CACyberDuo is an IT managed services company headquartered in Glendale, California; New York, New York; San Francisco, California and San Diego, California. The midsize firm was launched in 2008. Their team provides IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI.Read More
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DisneyIndustries
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2$5,000+50 - 249 employeesSan Diego, CAFounded in 2003, Infracore is an IT managed services company. They are headquartered in San Diego, California and New Haven, Connecticut and have a midsize team. The company focuses on IT managed services, Cybersecurity, and IT strategy consulting.Read More
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3$1,000+10 - 49 employeesTorrance, CAConsilien is a Torrance, California-based IT managed services company. Launched in 2001, the small team provides IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting.Read More
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4$5,000+50 - 249 employeesSan Jose, CAZAG Technical Services, an IT managed services company, was established in 1998. They are based in San Jose, California; Salinas, California and Meridian, Idaho and have a midsize team. ZAG Technical Services focuses on IT managed services, other IT consulting and SI, IT strategy consulting, BI & big data consulting & SI, and more.Read More
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5$25,000+50 - 249 employeesLos Angeles, CADreamers Inc. Is an artificial intelligence development company in Los Angeles, California. Launched in 2013, the midsize team focuses on Artificial Intelligence, Mobile App Development, Blockchain, Cybersecurity, and more.Read More
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NASA Johns Hopkins Applied Physics Lab US Air Force US Department of EducationIndustries
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6$1,000+10 - 49 employeesSan Diego, CACrown Computers inc is an IT managed services company established in 1995. The company offers IT managed services, IT strategy consulting, Cybersecurity, IT staff augmentation, and more and has a small team.Read More
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7Undisclosed50 - 249 employeesSan Diego, CARead More
Interlaced.io is a San Diego, California-based IT strategy consulting and IT managed services company. They focus on IT strategy consulting and IT managed services and were launched in 2009.
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8$5,000+10 - 49 employeesWest Hollywood, CAInsightful Networks is a business intelligence company. The midsize West Hollywood, California-based agency was founded in 1998. Their team provides BI & big data consulting & SI, IT staff augmentation, IT managed services, other IT consulting and SI, and more.Read More
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9$1,000+10 - 49 employeesPasadena, CABased in Pasadena, California; Grapevine, Texas and Denver, Colorado, Techmedics is an IT managed services company. The company specializes in IT managed services, IT strategy consulting, Cybersecurity, and cloud consulting & SI and is small.The company was launched in 1999.Read More
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10$5,000+250 - 999 employeesIrvine, CANexusTek is a midsize cloud consulting & SI company. The Greenwood Village, Colorado-based agency was established in 1996. Their team provides cloud consulting & SI, IT managed services, Cybersecurity, IT strategy consulting, and more.Read More
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11$5,000+50 - 249 employeesSacramento, CARead More
West Advanced Technologies Inc is a midsize Sacramento, California-based cybersecurity company. The team specializes in cybersecurity, IT staff augmentation, cloud consulting & SI, and IT managed services.
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12$1,000+10 - 49 employeesSalinas, CARead More
SRS Networks is an IT firm based in Salinas, Calif. Founded in 1996, their team of 30 serves clients in the transportation sectors. Services include IT strategy and staff augmentation.
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13$5,000+2 - 9 employeesWest Hollywood, CACybersecurity company HECVAT Pro is located in West Hollywood, California. They provide cybersecurity and were established in 2021.Read More
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14Undisclosed10 - 49 employeesLos Angeles, CAInfonetworks is an IT strategy consulting company established in 2018. Their small team is located in Los Angeles, California and offers IT strategy consulting, unified communications consulting & SI, Cybersecurity, and IT managed services.Read More
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15$1,000+10 - 49 employeesPasadena, CAIT managed services company AdviseTech is based in Pasadena, California. The small team focuses on IT managed services, cloud consulting & SI, and Cybersecurity. The company was founded in 1998.Read More
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16$1,000+10 - 49 employeesSan Francisco, CABay Computing Group is a San Francisco, California-based IT strategy consulting company. The small team provides IT strategy consulting, cloud consulting & SI, Cybersecurity, and IT managed services and was founded in 1999.Read More
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17Undisclosed2 - 9 employeesFoster City, CAIT Total Care is an IT managed services company. Founded in 2001, the small firm is based in Foster City, California. Their services include IT managed services, Cybersecurity, and cloud consulting & SI.Read More
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18$25,000+1,000 - 9,999 employeesLos Angeles, CANetsol Technologies Inc. Is a Cybersecurity company. Based in Los Angeles, California and London, England, the team specializes in Cybersecurity and cloud consulting & SI.Read More
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19$5,000+10 - 49 employeesSan Diego, CARead More
Pact-One Solutions, LLC, a IT managed services company, is headquartered in Las Vegas, Nevada; San Diego, California; Pasadena, California and Lake Oswego, Oregon. The small team focuses on IT managed services, cybersecurity, IT strategy consulting, other IT consulting and SI, and more and was founded in 2003.
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20$5,000+250 - 999 employeesSan Francisco, CACobalt is a San Francisco, California-based Cybersecurity and Application Testing company. Launched in 2013, the team offers Cybersecurity and Application Testing.Read More
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21$1,000+10 - 49 employeesSanta Ana, CAC3 Tech is a Cybersecurity company founded in 1994. The team provides Cybersecurity and IT managed services and is in Santa Ana, California.Read More
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22$5,000+10 - 49 employeesLos Angeles, CAThe Tech Consultants, LLC is an IT managed services company. Located in Los Angeles, California, their small team offers IT managed services and Cybersecurity. The firm was launched in 2006.Read More
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23Undisclosed250 - 999 employeesSan Diego, CAESET is a Cybersecurity company. Headquartered in San Diego, California, their midsize team focuses on Cybersecurity. The agency was established in 1992.Read More
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24$1,000+10 - 49 employeesSanta Clara, CACyberHAWKS is an IT managed services company. Their small team is in Santa Clara, California. Their services include IT managed services and cloud consulting & SI.Read More
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25Undisclosed10 - 49 employeesSunnyvale, CAGRSee Consulting is a Cybersecurity and Compliance Consulting company. Based in Sunnyvale, California and Rehovot, Israel, the team provides Cybersecurity and Compliance Consulting.Read More
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26$1,000+50 - 249 employeesSanta Clara, CAGoognu data service pvt. Ltd is a business intelligence company. The Santa Clara, California-based firm focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
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27$5,000+10 - 49 employeesSan Carlos, CAEmagined Security is a Cybersecurity company. Launched in 2003, the team offers Cybersecurity.Read More
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28$5,000+1,000 - 9,999 employeesSan Jose, CARead More
ACL Digital is an user experience company located in San Jose, California and Bengaluru, India. The large agency was launched in 1992. Their team specializes in ux/ui design, IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, and more.
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29Undisclosed2 - 9 employeesConcord, CAALFATEK is a Concord, California-based branding agency. They offer Branding and Social Media Marketing.Read More
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30$1,000+10 - 49 employeesSanta Monica, CAGBT Technologies, Inc. Is a small cloud consulting & SI company launched in 2009. Their services include cloud consulting & SI and Cybersecurity.Read More
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