Top 100 IT Services Companies in California
The Best of May 2024
Looking 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.
>List of the Best California IT Companies
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Featured provider
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- $25,000+
- 250 - 999 employees
- Los Angeles, CA
Nearsure is a web development agency that has been offering web development, IT staff augmentation, and AI services to their clients since 2018. Their 50 employees are based out of Hollywood, Calif., as well as Costa Rica, Colombia, Venezuela, Bolivia, and Uruguay.
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271
- $10,000+
- 250 - 999 employees
- Pasadena, CA
Guidance Software is a software development firm that has been in operation since 1997. They are headquartered in Pasadena, Calif. and they have additional offices in Slough, U.K., Courbevoie, France, Waukesha, Wis., Rosemont, Ill., Dulles, Va., and New York. They have over 800 employees and they specialize in cybersecurity, IT strategy consulting, and IT staff augmentation. Their clients generally work in consumer services, government, or healthcare.
Clients
- Box
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272
- $10,000+
- 10 - 49 employees
- Los Angeles, CA
Northstar Technologies is a cloud consulting & SI company launched in 1992. Their small team is in Los Angeles, California and offers cloud consulting & SI, IT managed services, IT strategy consulting, and unified communications consulting & SI.Read MoreIndustries
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273
- $10,000+
- 50 - 249 employees
- Agoura Hills, CA
Key Information Systems is an IT managed services company. Their midsize team is based in Agoura Hills, California. The agency provides IT managed services, cloud consulting & SI, IT strategy consulting, and BI & big data consulting & SI.
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274
- $10,000+
- 50 - 249 employees
- Carlsbad, CA
Based in Carlsbad, California; Singapore, Singapore; Barcelona, Spain and Atlanta, Georgia, Proficio is a cybersecurity company. The midsize team offers cybersecurity, IT managed services, and IT strategy consulting. The agency was established in 2010.
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275
- $10,000+
- 50 - 249 employees
- San Diego, CA
Founded in 2001, Security On-Demand is a cybersecurity company. The midsize San Diego, California-based team provides cybersecurity, IT managed services, IT strategy consulting, BI & big data consulting & SI, and more.
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276
- $10,000+
- 50 - 249 employees
- Santa Monica, CA
CounterTack, an IT managed services company, was founded in 2011. They are based in Waltham, Massachusetts; Santa Monica, California; Rancho Cordova, California and , Singapore and have a midsize team. Their services include IT managed services, cybersecurity, and IT strategy consulting.
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277
- $5,000+
- 50 - 249 employees
- Camarillo, CA
IT managed services company Oasis Technology is located in Camarillo, California. The agency focuses on IT managed services, IT strategy consulting, and cloud consulting & SI and is midsize.The agency was launched in 1979.
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278
- $5,000+
- 50 - 249 employees
- South San Francisco, CA
IT managed services company Netswitch Technology Management Inc was founded in 2000. Their midsize team is based in South San Francisco, California. Netswitch Technology Management Inc offers IT managed services, IT strategy consulting, and cloud consulting & SI.
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279
- $5,000+
- 50 - 249 employees
- Irvine, CA
Zumasys is a midsize IT managed services company established in 2000. Their services include IT managed services, other IT consulting and SI, and cloud consulting & SI. The company is located in Irvine, California.Read MoreIndustries
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280
- $5,000+
- 10 - 49 employees
- San Francisco, CA
Centarus is a small IT managed services company based in San Francisco, California. The team specializes in IT managed services, other IT consulting and SI, and unified communications consulting & SI.Read MoreIndustries
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281
- $10,000+
- 50 - 249 employees
- Rocklin, CA
Blast Analytics & Marketing is a data analytics company established in 1999. Their midsize team is headquartered in Rocklin, California; Sacramento, and Harrisburg, and provides BI & big data consulting & SI, conversion optimization, search engine optimization, and pay per click.Read MoreIndustries
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282
- $5,000+
- 250 - 999 employees
- Pleasanton, CA
IT managed services company 8KMiles is based in Pleasanton, California. The midsize team focuses on IT managed services, BI & big data consulting & SI, cloud consulting & SI, and other IT consulting and SI. The agency was founded in 2007.Read MoreIndustries
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283
- $5,000+
- 50 - 249 employees
- Rancho Cucamonga, CA
Accent Computer Solutions Inc. Is an IT managed services company. Their midsize team is located in Rancho Cucamonga, California and focuses on IT managed services, other IT consulting and SI, and cloud consulting & SI. The agency was established in 1987.Read MoreIndustries
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284
- Undisclosed
- 10 - 49 employees
- Santa Ana, CA
Right Click, an IT managed services company, was founded in 1997. The small Santa Ana, California-based team offers IT managed services and cloud consulting & SI.
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285
- $5,000+
- 10 - 49 employees
- Simi Valley, CA
AllConnected is a small IT managed services company. Founded in 1998, the team focuses on IT managed services. The agency is headquartered in Simi Valley, California.
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286
- $5,000+
- 250 - 999 employees
- Newport Beach, CA
DynTek, a midsize IT strategy consulting company, is located in Newport Beach, California; New York City, and Albany, . The team specializes in IT strategy consulting, custom software development, BI & big data consulting & SI, cloud consulting & SI, and more.
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287
- $5,000+
- 10 - 49 employees
- Bakersfield, CA
ARRC Technology is an IT managed services company founded in 1992. Their small team is headquartered in Bakersfield, California and provides IT managed services, other IT consulting and SI, cloud consulting & SI, and cybersecurity.Read MoreIndustries
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288
- $10,000+
- 50 - 249 employees
- Los Angeles, CA
3GC Group is a Los Angeles, California-based IT strategy consulting company. Launched in 2003, the midsize team specializes in IT strategy consulting, IT staff augmentation, cloud consulting & SI, and cybersecurity.Read MoreIndustries
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289
- $10,000+
- 50 - 249 employees
- San Francisco, CA
Blackstone Technology Group is a San Francisco, California-based IT staff augmentation company. The midsize agency was launched in 1998. Their team focuses on IT staff augmentation, IT strategy consulting, cloud consulting & SI, cybersecurity, and more.
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290
- $10,000+
- 10 - 49 employees
- San Francisco, CA
Zen Cloud Technologies is a small CRM consulting and SI company. Based in San Francisco, California, the company was launched in 2015. Their team focuses on CRM consulting and SI.Read More -
291
- $10,000+
- 10 - 49 employees
- Walnut Creek, CA
Forte Systems, Inc, a cloud consulting & SI company, is in Walnut Creek, California. The small team provides cloud consulting & SI, cybersecurity, IT strategy consulting, and IT staff augmentation. The agency was launched in 1985.
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292
- $10,000+
- 50 - 249 employees
- Fremont, CA
Based in Fremont, California and Indore, India, Vertisystem is a human resources company. The midsize team provides HR services, BI & big data consulting & SI, CRM consulting and SI, IT strategy consulting, and more. The company was founded in 2007.
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293
- $1,000+
- 10 - 49 employees
- Santa Ana, CA
Xentaurs is an IT consulting firm located in Irvine, Calif. It was founded in 2016 and has 32 employees. Their services include cloud consulting and SI, business intelligence and big data consulting and SI, and AI.
Clients
- Cisco
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294
- $1,000+
- 50 - 249 employees
- San Jose, CA
InfoObjects Inc. Is a data analytics company. Their midsize team is in San Jose, California. Their services include BI & big data consulting & SI, Artificial Intelligence, cloud consulting & SI, and IoT development. The firm was launched in 2005.Read MoreIndustries
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295
- $1,000+
- 50 - 249 employees
- Santa Clara, CA
CloudMinds Technology Inc. Is an artificial intelligence firm and cloud consulting & SI company. Their midsize team is based in Santa Clara, California and Beijing, China. The agency provides Artificial Intelligence and cloud consulting & SI. The agency was launched in 2015.Read MoreIndustries
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296
- $5,000+
- 10 - 49 employees
- Salinas, CA
Business intelligence company Alvarez Technology Group is headquartered in Salinas, California. The small firm was launched in 2001. Their services include BI & big data consulting & SI, IT managed services, cloud consulting & SI, and IT strategy consulting.Read More -
297
- $5,000+
- 10 - 49 employees
- Livermore, CA
Lanlogic, an IT managed services company, was launched in 1995. The small team focuses on IT managed services, cloud consulting & SI, and IT strategy consulting. The agency is located in Livermore, California.
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298
- $5,000+
- 250 - 999 employees
- San Jose, CA
NetEnrich, Inc. Is a midsize IT managed services company established in 2004. Their services include IT managed services, cloud consulting & SI, and cybersecurity. The firm is headquartered in San Jose, California.
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299
- $5,000+
- 10 - 49 employees
- San Jose, CA
Nevtec, an IT managed services company, was launched in 1996. The company offers IT managed services, IT strategy consulting, and cloud consulting & SI and has a small team. The company is located in San Jose, California.
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300
- $5,000+
- 50 - 249 employees
- Roseville, CA
Launched in 1982, Quest Media & Supplies, Inc. Is an IT managed services company. The company offers IT managed services, IT strategy consulting, and cloud consulting & SI and has a midsize team.Read More
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