Top 100 Managed Service Providers in California
The Best of July 2026Looking for a top managed service provider in California?
If you’re looking for services that can spare you from complex, time-consuming, and sometimes counterproductive tasks? Perhaps managed service providers can help you and your business. You can rest easy by relying on managed service providers to handle any tedious tasks.
Managed service providers are outsourced third-party companies that provide different support efforts including network, application, security, and payroll works. Businesses and organizations hire managed service providers because of their flexibility and ability to relieve repetitive tasks. Great managed service providers create custom solutions to cater to the different needs of every business. Such services are worthwhile investments especially for startups and midsize businesses that want to have their in-house teams focus on their operations.
To assist you in your search for a partner, we’ve compiled this list of the top IT managed services in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
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List of the Best California Managed Services
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481$10,000+10 - 49 employeesLos Angeles, CAIT managed services company Streamline Networks offers IT managed services and cloud consulting & SI. They were established in 2001.Read More
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482$10,000+10 - 49 employeesSan Diego, CACompuOne Corporation is an IT managed services company based in San Diego, California. The team provides IT managed services and ECM consulting and SI.Read More
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483$5,000+2 - 9 employeesFresno, CAJ - I.T. Outsource is a small IT managed services company founded in 2014. Their team provides IT managed services and IT strategy consulting.Read More
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484$5,000+50 - 249 employeesCamarillo, CAOasis Technology is an IT managed services company. The Camarillo, California-based agency was established in 1979. Their services include IT managed services and IT strategy consulting.Read More
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485$5,000+10 - 49 employeesIrvine, CABCS is an IT managed services company headquartered in Irvine, California. They provide IT managed services.Read More
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486$5,000+50 - 249 employeesSouth San Francisco, CANetswitch Technology Management Inc is a midsize IT managed services company established in 2000. Their team offers IT managed services and IT strategy consulting.Read More
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487$5,000+50 - 249 employeesIrvine, CAZumasys is an IT managed services company headquartered in Irvine, California. They provide IT managed services and other IT consulting and SI.Read More
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488$5,000+50 - 249 employeesSan Luis Obispo, CATekTegrity Inc. Is an IT managed services company. The San Luis Obispo, California-based company focuses on IT managed services.Read More
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489$5,000+250 - 999 employeesPleasanton, CA8KMiles is an IT managed services company headquartered in Pleasanton, California. The team offers IT managed services and BI & big data consulting & SI.Read More
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490$5,000+10 - 49 employeesBelmont, CAEPC IT Solutions is an IT managed services company. The team offers IT managed services and IT strategy consulting and is based in Belmont, California.Read More
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491$5,000+10 - 49 employeesSan Diego, CAK&R Network Solutions is an IT managed services company. The agency is headquartered in San Diego, California. Their team focuses on IT managed services and IT staff augmentation.Read More
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492$5,000+10 - 49 employeesNapa, CAEstablished in 2005, Computer Engineering Group is an IT managed services company. The agency specializes in IT managed services.Read More
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493$5,000+250 - 999 employeesLos Angeles, CALaunched in 1995, KeepItSafe is an IT managed services company. Their services include IT managed services and cloud consulting & SI.Read More
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494$5,000+10 - 49 employeesSan Francisco, CALaunched in 1993, Dataway is a small IT managed services company. Their team provides IT managed services and unified communications consulting & SI.Read More
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495$5,000+50 - 249 employeesRoseville, CAQuest Media & Supplies, Inc. Is a midsize IT managed services company based in Roseville, California. Their services include IT managed services and IT strategy consulting.Read More
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496$5,000+10 - 49 employeesModesto, CANetwork Builders IT is an IT managed services company established in 2006. The team specializes in IT managed services and cloud consulting & SI and is in Modesto, California.Read More
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497$5,000+2 - 9 employeesSalinas, CAPinnacle Technology Services is an IT managed services company. They are based in Salinas, California. Their team provides IT managed services and Web Design.Read More
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498$5,000+1,000 - 9,999 employeesSan Jose, CAExtreme Networks is a cloud consulting & SI company. The team specializes in cloud consulting & SI and IT managed services and is in San Jose, California and Milano, Italy.Read More
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499$5,000+50 - 249 employeesSanta Clara, CAYunshan Networks is an IT managed services company. The midsize Beijing, China-based team specializes in IT managed services and cloud consulting & SI. The firm was founded in 2011.Read More
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500Undisclosed10 - 49 employeesBakersfield, CAAdvanced Network Solutions, LLC is a small Bakersfield, California-based IT managed services company. The team provides IT managed services.Read More
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501Undisclosed2 - 9 employeesLake Forest, CATH2 Technologies, Inc is an IT managed services company launched in 2004. The company specializes in IT managed services and IT strategy consulting, and is small.Read More
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502Undisclosed10 - 49 employeesStockton, CAPlus IT, Inc. Is an IT managed services company. They are in Stockton, California and have small team. Their services include IT managed services and Application Management & Support.Read More
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503Undisclosed2 - 9 employeesVista, CAHook Dimensional Imaging, an IT managed services company, was launched in 2017. They specializes in IT managed services.Read More
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504Undisclosed10 - 49 employeesVisalia, CAFounded in 1995, EMD Networking Services, Inc. Is a small Visalia, California-based IT managed services company. Their services include IT managed services.Read More
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505Undisclosed2 - 9 employeesStockton, CAHeadquartered in Stockton, California, Netwerx-Management is a small IT managed services company. The team provides IT managed services.Read More
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506Undisclosed2 - 9 employeesHayward, CAIT Less is an IT managed services company. Their small team is headquartered in Hayward, California. Their team focuses on IT managed services.Read More
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507Undisclosed10 - 49 employeesStockton, CAJim's Computers is an IT managed services company. Located in Stockton, California, the firm was founded in 2007. Their services include IT managed services.Read More
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508Undisclosed50 - 249 employeesLivermore, CAAGTEK is a Livermore, California-based IT managed services and IT strategy consulting company. Founded in 1983, the team offers IT managed services and IT strategy consulting.Read More
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509Undisclosed10 - 49 employeesLivermore, CAThe Swenson Group is a small Livermore, California-based IT managed services company. Their services include IT managed services and IT strategy consulting.Read More
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510Undisclosed2 - 9 employeesStockton, CAPcjunkieMods is a small IT managed services company launched in 2009. Their services include IT managed services.Read More
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