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Top of mind: Google (huge office), Salesforce (literally a skyscraper), meta (smaller office), servicenow, grubhub. Bonus: Capone, JPMorgan, Boeing and McDonald's have their digital units in chi. Also Accenture has a huge digital transformation practice Answer from LemmyKRocks on reddit.com
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CompaniesMarketCap
companiesmarketcap.com › tech › largest-tech-companies-by-market-cap
Largest tech companies by market cap
List of the largest tech companies by market capitalization, all rankings are updated daily.
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Built In Chicago
builtinchicago.org › companies
Top Tech Companies in Chicago, IL 2025 | Built In
Artificial Intelligence • Information Technology • Software • Analytics • Cybersecurity • Generative AI ... Cybersecurity is reactive, complex, and costly. We're out to change that. Recognized by Crain’s as one of 2025’s Most Innovative Companies, UncommonX helps customers move from reactive defense to proactive resilience, with the context, prioritization, and insights needed to reduce risk and respond with precision.
Discussions

What big tech is in Chicago?
Top of mind: Google (huge office), Salesforce (literally a skyscraper), meta (smaller office), servicenow, grubhub. Bonus: Capone, JPMorgan, Boeing and McDonald's have their digital units in chi. Also Accenture has a huge digital transformation practice More on reddit.com
🌐 r/AskChicago
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174
August 14, 2024
Top 5 tech companies by market cap - over the years
Microsoft is the only company that has been consistently in the top 5 for Market Cap over the past 4 decades More on reddit.com
🌐 r/microsoft
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August 6, 2025
What's considered Top 10 Big Tech?
this is all idiotic, college students have horrible ideas of relative company desirability. (Ie, I would choose Meta over almost all unicorns.) Go wherever has the best balance of pay, career growth (long term pay), and quality of life, however you define that. More on reddit.com
🌐 r/csMajors
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55
September 21, 2024
[deleted by user]
I’d look at series B/C that has unique technology or go with a growing public company. Which industries interest you? More on reddit.com
🌐 r/sales
186
168
November 2, 2024
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Wikipedia
en.wikipedia.org › wiki › List_of_largest_technology_companies_by_revenue
List of largest technology companies by revenue - Wikipedia
1 week ago - This is a global list of largest technology companies by revenue, according to the Fortune Global 500. It shows companies identified by Fortune as being in the technology sector, ranked by total annual revenue. Other metrics not shown here, in particular market capitalization, are often used ...
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Outtalent
outtalent.com › us50
Top 50 Tech Companies
We cannot provide a description for this page right now
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BusinessBecause
businessbecause.com › news › careers-business › 9008 › best-tech-companies-to-work-for
Top 15 Best Tech Companies To Work For | Glassdoor Ranking 2025 | BusinessBecause
October 14, 2025 - The best tech companies to work for include the likes of Google, Microsoft, and Meta, according to Glassdoor. Find out which companies top the annual ranking in 2025
Find elsewhere
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Powderkeg
powderkeg.com › tech-companies › chicago
Top Chicago Tech Companies | Powderkeg
Many of the world’s largest assessment companies use BenchPrep's platform to provide a personalized, omni-channel learning experience to their own users within a single ecosystem. By leveraging the power of technology, data, UX expertise, and innovative instructional design, BenchPrep has helped to make learning more effective, efficient, and enjoyable for more than 3 million learners worldwide. ... Chicago - Braintree's payment platform provides all the tools online and mobile businesses need to accept payments.
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Metana
metana.io › metana | career-focused coding bootcamp › jobs › top tech companies in chicago 2025 - metana
Top Tech Companies in Chicago 2025 - Metana
March 6, 2025 - Chicago is home to innovative tech companies in software, AI, fintech, and more. Explore top firms driving technology and creating diverse job opportunities... Read more
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Flatiron School
flatironschool.com › home › the 25 best tech companies in chicago to work for
The 25 Best Tech Companies in Chicago to Work for | Flatiron School
June 12, 2024 - Chicago is one of the largest tech employers in the United States, ranking 8th in net tech employment behind New York City and San Francisco. With large tech companies like Google, LinkedIn, Salesforce, and Lyft setting up shop in Chicago and the 1871 boosting ~450 tech startups and ~400 growth-stage companies, there’s no question that Chicago is a major growth tech hub in 2021.
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Built In
builtin.com › articles › largest-tech-companies-us
22 Top Tech Companies in the U.S. | Built In
November 7, 2025 - Summary: The U.S. tech sector dominates global innovation, led by giants like Apple, Microsoft, Amazon, Alphabet and Meta. From AI and semiconductors to cloud computing and electric vehicles, these companies drive advancements shaping industries ...
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Tripleten
tripleten.com › blog › posts › best-tech-companies-in-chicago-to-work-for
15 Best Tech Companies in Chicago to Work For - tripleten.com/blog
June 3, 2024 - Silicon Valley isn’t your only option if you’ve set your sights on a tech career. Chicago is emerging as a hub for established tech enterprises and startups alike. The Windy City is home to over 7,000 technology companies, and its tech workforce grew by 18% between 2011 and 2021.
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Uic
bootcamp.uic.edu › homepage › blog › top 15 tech employers in chicago in 2025
Top 15 Tech Employers in Chicago in 2025
March 10, 2025 - Chicago's tech industry is experiencing impressive growth, attracting talent with diverse opportunities and a dynamic atmosphere. However, with numerous companies, selecting the ideal fit can be challenging. To guide you, here’s a list of 15 top tech employers in Chicago, based on various ...
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Built In
builtinla.com › companies
Top Tech Companies in Los Angeles, CA 2025 | Built In
Celonis makes processes work for people, companies and the planet. The Celonis Process Intelligence Platform uses industry-leading process mining and AI technology and augments it with business context to give customers a living digital twin of their business operation.
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Great Place To Work®
greatplacetowork.com › best-workplaces › technology › 2024
Fortune Best Workplaces in Technology™ 2024
I greatly appreciate that, unlike other tech companies, HP has touted and been consistently positive and accepting of hybrid work and working from home.
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G2
learn.g2.com › best-tech-companies-chicago
Best of SaaS: The Top Tech Companies in Chicago
April 15, 2022 - Chicago might be considered the “Second City”, but it’s well on its way to being number one in tech. Many major companies are located in Chicago, including Boeing, McDonald’s, Kraft Heinz, and United Airlines.
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Reddit
reddit.com › r/microsoft › top 5 tech companies by market cap - over the years
r/microsoft on Reddit: Top 5 tech companies by market cap - over the years
August 6, 2025 -
Year1st2nd3rd4th5th
1975IBM ($3B)HP ($3B)Intel ($2B)Motorola ($1.5B)Texas Instruments ($1B)
1985IBM ($85B)Microsoft ($20B)Intel ($18B)HP ($15B)Oracle ($12B)
1995Microsoft ($48B)IBM ($43B)Intel ($35B)Oracle ($28B)HP ($25B)
2005Microsoft ($263B)Intel ($180B)IBM ($139B)Oracle ($85B)HP ($65B)
2015Apple ($740B)Google/Alphabet ($373B)Microsoft ($340B)Facebook ($244B)Oracle ($180B)
2025Nvidia ($4.236T)Microsoft ($3.895T)Apple ($3.022T)Alphabet/Google ($2.290T)Amazon ($2.279T)
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Glassdoor
glassdoor.com › Explore › top-information-technology-companies-chicago_IS.4,26_ISEC10013_IL.37,44_IM167.htm
Top Information Technology Companies in Chicago | Glassdoor
Top Internet & Web Services companies in Chicago · 0 results · Filter · Chicago · Information Technology · and up · IBM · 4.0 · 10000+ employees · · · Chicago · IBM works to design, advance, and scale the technologies that define each era. Restlessly reinventing since 1911, we are one of the largest technology, consulting and research companies in the world.
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Indeed
indeed.com › career guide › finding a job › 10 tech companies in the chicago area to work for
10 Tech Companies in the Chicago Area to Work For | Indeed.com
Duck Creek Technologies started ... companies in Chicago and across the United States. Some jobs you might pursue at Duck Creek Technologies include a software engineer, a software solutions engineer and a business analyst.View open jobsRelated: What Is Software as a Service? Top SaaS Companies ...
Published   3 weeks ago
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Wellfound
wellfound.com › startups › location › chicago
Best Tech Companies and Startups in Chicago, IL 2026 | Wellfound
Chicago, Denver, Dubai, Los Angeles, New York City, Singapore, London, Amsterdam, Melbourne, Paris, New York, Sydney, Tokyo, Seoul · Dataiku is The Universal AI Platform™, giving organizations control over their AI talent, processes, and technologies to unleash the creation of analytics, models, and agents.