Top 100 IT Services Companies in California
The Best of April 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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601Undisclosed2 - 9 employeesCulver City, CASoaring Towers is an IT strategy consulting company. Launched in 2024, the firm is headquartered in Culver City, California. Their team offers IT strategy consulting and cloud consulting & SI.Read More
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602$1,000+10 - 49 employeesElk Grove, CAIT managed services company Business PC Support, Inc. Is based in Elk Grove, California. They focus on IT managed services and were founded in 2010.Read More
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603$1,000+10 - 49 employeesFolsom, CANetwork Design Associates, an IT strategy consulting company, is based in Folsom, California. Established in 1997, the team offers IT strategy consulting and cloud consulting & SI.Read More
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604$1,000+2 - 9 employeesNewport Beach, CAOCMSP is an IT managed services company. They are based in Newport Beach, California. Their team offers IT managed services and Cybersecurity.Read More
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605Undisclosed50 - 249 employeesAtherton, CACybersecurity company Defend my Business is based in Atherton, California. They provide Cybersecurity and Building Security Services.Read More
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606$1,000+10 - 49 employeesLong Beach, CACloud consulting & SI company Safe Harbor Technology specializes in cloud consulting & SI and IT staff augmentation. They are based in Long Beach, California.Read More
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607Undisclosed250 - 999 employeesSacramento, CAER Tech Pros is an IT managed services company. Based in Sacramento, California, the firm was founded in 1998. Their team offers IT managed services and cloud consulting & SI.Read More
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608$1,000+10 - 49 employeesLos Angeles, CAAVMDEVS LLC is a branding company. Their small team is based in Los Angeles, California. The company provides Branding, Social Media Marketing, Search Engine Optimization, Graphic Design, and more.Read More
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609Undisclosed2 - 9 employeesArroyo Grande, CAEstablished in 2002, Professional IT Solutions is a small Cybersecurity company. Their team specializes in Cybersecurity and IT managed services.Read More
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610$1,000+2 - 9 employeesSan Diego, CAWAVE.BAND is an other IT consulting and SI company based in San Diego, California. Launched in 2016, the team offers other IT consulting and SI and Call Center Services.Read More
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611Undisclosed10 - 49 employeesIrvine, CAEstablished in 2017, Chiron IT is an Enterprise App Modernization company. Their team focuses on Enterprise App Modernization and IT managed services.Read More
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612$5,000+2 - 9 employeesLos Angeles, CARead More
Nomad Endeavors is a Los Angeles-based media and marketing agency founded in 2020 with fewer than 10 members. They specialize in video production, branding, and digital strategy for clients ranging from small firms to large businesses in the fields of IT and consumer products.
Clients
Apex.AIIndustries
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613$5,000+250 - 999 employeesIrvine, CAPreludeSys is an Enterprise App Modernization company. The team is in Irvine, California and Chennai, India, and their services include Enterprise App Modernization and Artificial Intelligence.Read More
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614$10,000+2 - 9 employeesRedondo Beach, CALaunched in 2015, Kranium Consulting, Inc. Is an IT managed services company. The firm specializes in IT managed services and Custom Software Development.Read More
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615$10,000+50 - 249 employeesSan Mateo, CARead More
Located in San Mateo, Calif., Ribbonfalls is a full stack development house boasting a team of at least 50 employees. The company was started in 2019 and offers mobile app, web, and custom software development as well as UX/UI design services. Their clients range from small to mid-sized businesses.
Clients
LamdenIndustries
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616Undisclosed10 - 49 employeesMountain View, CASaprIT is a CRM consulting and SI company based in Mountain View, California. Established in 2013, the small team offers CRM consulting and SI, ERP consulting and SI, Custom Software Development, and API Development.Read More
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617Undisclosed10 - 49 employeesGlendale, CAIn Glendale, California, EpiGrowth is a CRM consulting and SI company. The firm offers CRM consulting and SI and is small.The firm was established in 2017.Read More
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618$1,000+10 - 49 employeesRancho Cucamonga, CANerdTek Inc is an IT managed services company. Their small team is in Rancho Cucamonga, California. Their services include IT managed services, Mobile & App Marketing, Web Development, Mobile App Development, and more. The company was founded in 2007.Read More
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619$5,000+2 - 9 employeesSanta Monica, CAEdge Solutions Group is an IT managed services company. They are headquartered in Santa Monica, California, and their services include IT managed services and cloud consulting & SI.Read More
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620$5,000+2 - 9 employeesIrvine, CAKyber Systems, an IT managed services company, focuses on IT managed services and Cybersecurity. The agency is headquartered in Irvine, California.Read More
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621$1,000+2 - 9 employeesSan Diego, CAInfinity Networking, Inc., an IT managed services company, was established in 2001. The agency provides IT managed services and Cybersecurity.Read More
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622$1,000+2 - 9 employeesPasadena, CAKairos Partners is an IT strategy consulting company launched in 2016. Their team specializes in IT strategy consulting and IT managed services.Read More
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623$5,000+10 - 49 employeesLos Angeles, CAVitalpoint IT Suport Los Angeles is a small Los Angeles, California-based IT managed services company. The team focuses on IT managed services and Cybersecurity.Read More
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624$1,000+2 - 9 employeesSamoa, CABased in Samoa, California, Alternative Business Concepts is an IT managed services company. Their services include IT managed services and unified communications consulting & SI.Read More
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625$1,000+10 - 49 employeesSan Diego, CAIT managed services company Smart Voice Network focuses on IT managed services and IT strategy consulting. They are in San Diego, California.Read More
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626Undisclosed10 - 49 employeesEscondido, CAHoop5 Networks is a Cybersecurity company in Escondido, California. They provide Cybersecurity and IT managed services.Read More
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627$1,000+10 - 49 employeesRancho Cordova, CASmall IT managed services company Datacate, Inc, is headquartered in Rancho Cordova, California. The team focuses on IT managed services and IT strategy consulting.Read More
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Arbor Financial SystemsIndustries
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628$1,000+50 - 249 employeesLos Angeles, CARSA List Services is a big data company. The team provides BI & big data consulting & SI and ECM consulting and SI, and the firm is located in Los Angeles, California and Los Angeles, California.Read More
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629$5,000+2 - 9 employeesSan Clemente, CAEstablished in 2018, Cloud Advisors Inc is a cloud consulting & SI and other IT consulting and SI company. The agency specializes in cloud consulting & SI and other IT consulting and SI.Read More
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630$1,000+250 - 999 employeesIrvine, CAFounded in 2009, Adamant Systems is an IT staff augmentation company. The agency specializes in IT staff augmentation and IT strategy consulting, and is midsize.Read More
Industries
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Check out an IT Services Company in California with the most new reviews in the past 12 months.
Most Reviewed
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