Top 100 IT Services Companies in California
The Best of September 2026Looking 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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1921Undisclosed1,000 - 9,999 employeesSan Jose, CAAutomation Anywhere is an Application Testing company. The team offers Application Testing and cloud consulting & SI and is headquartered in San Jose, California and Bengaluru, India.Read More
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1922$10,000+2 - 9 employeesLos Angeles, CAComputer Help LA, a cloud consulting & SI company, is based in Los Angeles, California. Their services include cloud consulting & SI and IT managed services.Read More
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1923$10,000+2 - 9 employeesArcadia, CAIT System House LLC is a cloud consulting & SI company based in Arcadia, California. Founded in 2007, the team focuses on cloud consulting & SI and IT managed services.Read More
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1924$5,000+Freelancer employeesSan Diego, CAGreenman IT Support is an IT managed services company. Launched in 2005, the firm is in San Diego, California. Their team focuses on IT managed services.Read More
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1925$5,000+10 - 49 employeesRocklin, CAEstablished in 2003, Intuitive Networks, Inc. Is a small IT managed services company located in Rocklin, California. Their team provides IT managed services and IT strategy consulting.Read More
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1926$5,000+2 - 9 employeesLos Angeles, CACorporate West Computer Systems, an IT managed services company, specializes in IT managed services. The agency is based in Los Angeles, California.Read More
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1927$5,000+2 - 9 employeesChino Hills, CAHeadquartered in Chino Hills, California, D1 Networks is a small IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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1928$5,000+Freelancer employeesSanta Monica, CABased in Santa Monica, California, Palisades Technology is a small IT strategy consulting company. Their services include IT strategy consulting and IT managed services.Read More
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1929$10,000+10 - 49 employeesLos Angeles, CABusiness intelligence company ExistBI was founded in 2008. The team provides BI & big data consulting & SI and IT managed services and is located in Los Angeles, California.Read More
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1930$1,000+50 - 249 employeesSan Ramon, CAAPEX Technologies, a midsize AI company, is headquartered in Shanghai, China and Beijing, China. The team specializes in Artificial Intelligence and AR/VR development.Read More
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1931Undisclosed2 - 9 employeesSan Diego, CATCM is a small San Diego, California-based IT strategy consulting company. Their services include IT strategy consulting.Read More
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1932Undisclosed1,000 - 9,999 employeesLos Gatos, CAImpetus is a large Los Gatos, California-based data analytics company. Their services include BI & big data consulting & SI.Read More
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1933Undisclosed50 - 249 employeesRedwood City, CALaunched in 2011, Lastline, Inc. Is a Cybersecurity company. Their team provides Cybersecurity and other IT consulting and SI.Read More
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1934Undisclosed2 - 9 employeesRunning Springs, CAWobot - Mobile Smartphone Repair, a small IT managed services and Cybersecurity company, is located in Running Springs, California. Their services include IT managed services and Cybersecurity.Read More
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1935Undisclosed2 - 9 employeesBakersfield, CAHeadquartered in Bakersfield, California, ATECH MSP is a small IT managed services company. The team offers IT managed services and IT strategy consulting.Read More
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1936Undisclosed50 - 249 employeesNewport Beach, CAVisionaire - an e4site Inc Company is a Newport Beach, California-based IT strategy consulting company. The team offers IT strategy consulting and BI & big data consulting & SI.Read More
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1937Undisclosed50 - 249 employeesSan Diego, CAIT strategy consulting and Business Consulting company Cask specializes in IT strategy consulting and Business Consulting. They were established in 2004.Read More
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1938Undisclosed2 - 9 employeesModesto, CAMoji Technologies is an IT managed services company. Located in Modesto, California, their team specializes in IT managed services.Read More
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1939UndisclosedFreelancer employeesAlameda, CALaunched in 2018, ITE Mavens is an IT managed services and IT strategy consulting company. The team focuses on IT managed services and IT strategy consulting.Read More
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1940UndisclosedFreelancer employeesVallejo, CAIT managed services and Cybersecurity company Ronen Solutions was launched in 2016. The agency offers IT managed services and Cybersecurity, and is small.Read More
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1941Undisclosed10 - 49 employeesVentura, CAPulseOne Technology Solutions, an IT managed services company, was founded in 2002. The firm specializes in IT managed services.Read More
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1942Undisclosed2 - 9 employeesLake Forest, CAOrange County Computer INC., an IT managed services company, was launched in 1998. The company provides IT managed services and IT strategy consulting.Read More
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1943Undisclosed2 - 9 employeesLake Forest, CAJeremy Merrick Enterprises is an IT managed services company in Lake Forest, California. They specialize in IT managed services and cloud consulting & SI.Read More
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1944Undisclosed2 - 9 employeesLancaster, CAThe Tech Gods is an IT managed services company. Located in Lancaster, California, the firm was founded in 2012. Their services include IT managed services.Read More
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1945Undisclosed10 - 49 employeesWalnut Creek, CAIT managed services company The Wizards of OZtechs was founded in 2001. In Walnut Creek, California, the team provides IT managed services and IT strategy consulting.Read More
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1946UndisclosedFreelancer employeesVentura, CAFounded in 1986, Infogrip IT LLC is an IT managed services and Cybersecurity company. The team focuses on IT managed services and Cybersecurity and is in Ventura, California.Read More
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1947Undisclosed2 - 9 employeesHawthorne, CAHLD Consulting is a small Hawthorne, California-based IT managed services company. The team specializes in IT managed services and Cybersecurity.Read More
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1948Undisclosed2 - 9 employeesHawthorne, CALocated in Hawthorne, California, MIR IT CONSULTING is a small IT managed services company. The team specializes in IT managed services and Cybersecurity.Read More
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1949Undisclosed2 - 9 employeesStockton, CADeborah's PC Solutions is an IT managed services company. The team focuses on IT managed services and is based in Stockton, California.Read More
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1950Undisclosed10 - 49 employeesStockton, CACloudKrest is a cloud consulting & SI company. The agency is located in Stockton, California. Their team provides cloud consulting & SI and unified communications consulting & SI.Read More
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