Top 100 IT Services Companies in California
The Best of December 2025Looking for a top IT services company in California?
For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition.
To assist you in your search for a partner, we’ve compiled this list of the top IT consultants 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 IT Companies
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$10,000+50 - 249 employeesL'viv, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
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$1,000+50 - 249 employeesNaperville, ILRead More
BetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.
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841$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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842$5,000+10 - 49 employeesAnaheim, CACPAC is a small IT managed services company launched in 1994. Their services include IT managed services and IT strategy consulting.Read More
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843$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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844$5,000+10 - 49 employeesSan Francisco, CABPM, a small IT strategy consulting company, is based in San Francisco, California. The team focuses on IT strategy consulting and Cybersecurity.Read More
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845$5,000+2 - 9 employeesLos Angeles, CAIT managed services company Strata Information Technologies, Inc. Specializes in IT managed services and IT strategy consulting. They are based in Los Angeles, California.Read More
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846$5,000+250 - 999 employeesNewport Beach, CADynTek is a midsize Newport Beach, California-based IT strategy consulting company. Their services include IT strategy consulting and Custom Software Development.Read More
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847$5,000+10 - 49 employeesFresno, CAValley Network Solutions is an IT managed services company. The Fresno, California-based team offers IT managed services and other IT consulting and SI.Read More
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848$5,000+10 - 49 employeesBakersfield, CAARRC Technology is an IT managed services company. Their small team of employees is located in Bakersfield, California. Their team provides IT managed services and other IT consulting and SI.Read More
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849$5,000+10 - 49 employeesCorona, CAForum Info-Tech Inc. Is an IT managed services company. The team provides IT managed services and other IT consulting and SI and is in Corona, California.Read More
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850$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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851$10,000+2 - 9 employeesThousand Oaks, CAFinchloom is a small cloud consulting & SI company in Thousand Oaks, California. The team provides cloud consulting & SI and IT managed services.Read More
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852$10,000+50 - 249 employeesBurbank, CATurner Techtronics, Inc. Is an IT managed services company. The Burbank, California-based firm was established in 1987. Their services include IT managed services and Cybersecurity.Read More
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853$10,000+50 - 249 employeesLos Angeles, CA3GC Group is an IT strategy consulting company established in 2003. Their services include IT strategy consulting and IT staff augmentation.Read More
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854$10,000+50 - 249 employeesSan Francisco, CABlackstone Technology Group is a San Francisco, California-based IT staff augmentation company. They specialize in IT staff augmentation and IT strategy consulting and were established in 1998.Read More
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855$10,000+10 - 49 employeesWalnut Creek, CAFounded in 1985, Forte Systems, Inc is a small cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.Read More
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856$5,000+10 - 49 employeesSan Francisco, CAIT managed services company FunctionOne was established in 2007. The team provides IT managed services and IT strategy consulting and is in San Francisco, California.Read More
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857$1,000+10 - 49 employeesSanta Ana, CAXentaurs is a Cybersecurity company. Established in 2016, the firm offers Cybersecurity and Artificial Intelligence.Read More
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858$1,000+50 - 249 employeesSanta Clara, CAEstablished in 2015, CloudMinds Technology Inc. Is an AI company and cloud consulting & SI company. Their services include Artificial Intelligence and cloud consulting & SI.Read More
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859$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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860$5,000+10 - 49 employeesSalinas, CAEstablished in 2001, Alvarez Technology Group is a small data analytics company. Their team offers BI & big data consulting & SI and IT managed services.Read More
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861$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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862$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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863$5,000+10 - 49 employeesLivermore, CAIT managed services company Lanlogic was founded in 1995. The firm provides IT managed services and cloud consulting & SI.Read More
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864$5,000+10 - 49 employeesOrange, CAHeadquartered in Orange, California, Numa Networks is a cloud consulting & SI and IT managed services company. They offer cloud consulting & SI and IT managed services.Read More
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865$5,000+2 - 9 employeesAnaheim, CAOnthenetOffice is a cloud consulting & SI and IT managed services company founded in 1997. Their team provides cloud consulting & SI and IT managed services.Read More
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866$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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867$5,000+10 - 49 employeesSan Francisco, CAIpsofacto is a San Francisco, California-based IT managed services company. The team focuses on IT managed services and cloud consulting & SI.Read More
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868$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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869$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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870$10,000+50 - 249 employeesSan Francisco, CAPrimitive Logic is a midsize data analytics company. Launched in 1984, the team focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
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Schedule ConsultationMost Reviewed IT Services Company in California
Check out an IT Services Company in California with the most new reviews in the past 12 months.
Most Reviewed
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