Top Tech Companies in Chicago, Illinois (4,935)

Founded in Chicago in 1987 by Stan Day, SRAM, LLC has grown to be one of the world's largest bicycle component manufacturers. Today, we are led by CEO, Ken Lousberg, and Stan Day serves as Chairman of our Board. SRAM’s global footprint helps us bring cycling to every corner of the globe, including your local roads and trails. We design and...

Build what’s next — with tech that matters PwC provides professional services across Audit and Assurance, Advisory and Tax — powered by a global network of over 370,000 people in 149 countries. You may know us for our business expertise, but technology is core to how we help clients move faster, build trust and deliver meaningful outcomes. As a technologist, you’ll work...

Alliant is unlike any other financial institution — a digital credit union that wows our members. We’re boldly disrupting banking norms to do good for our members, employees and communities. With 90 years of history and more than $19 billion in assets, Alliant Credit Union is the largest credit union in Illinois and one of the largest in the U.S. Our industry-leading...

Built In is the AI-powered career platform that connects innovative companies with professionals navigating their careers in a world reshaped by AI. For candidates, we provide AI-driven job recommendations and resources that support smarter career decisions. For employers, we deliver the always-on recruitment and reputation platform that ensures your brand is visible, trusted, and chosen. By combining employer brand insights,...

As the foundation for secure markets, OCC is a customer-driven organization that delivers world-class Risk Management, Clearing, and Settlement Services for a sophisticated mix of financial products that includes standard options, stock loans, and futures contracts.

Ahold Delhaize USA, a division of global food retailer Ahold Delhaize, is part of the U.S. family of brands, which includes five leading omnichannel grocery brands – Food Lion, Giant Food, The GIANT Company, Hannaford and Stop & Shop. Our associates support the brands with a wide range of services, including Finance, Legal, Sustainability, Commercial, Digital and E-commerce, Technology and...

Purchasing Platform is a unique B2B marketplace tailored for all sectors of property management. We leverage cutting-edge technology to empower property portfolios, enabling them to manage purchasing activities efficiently across all properties while driving real cost savings from trusted suppliers. Our platform services portfolios across the nation, enhancing operational workflows with features like embedded multi-level workflows, automated expense classification, and...

Webflow empowers teams — from startups to the Fortune 500 — to design, build, and grow for the web, all without writing a single line of code. Simply put: we’re changing the way the internet gets built. Instead of relying on long dev cycles or heavy engineering support, Webflow lets teams move from idea to launch faster — bringing creativity...

Caxy is a Chicago based software consulting and custom software development agency founded in 1999. Ranked top 3 software companies in Chicago by Clutch. Our secret sauce is that we want to make life as a developer fun, rewarding and not a grind. We have a commitment we call "The Caxy Promise." Many jobs in software are characterized by clients...

Bellagent is an enterprise-level AI agent platform built to automate everyday business operations with zero-touch integrations that connect instantly to more than 1,300 applications. Launched in 2025 by Proactifi Inc., and headquartered in Chicago, the platform is built for practicality with industry-leading compliance and security standards, enabling organizations to deploy AI agents without friction from day one. Bellagent’s mission to...

CDW Corporation is a leading multi-brand provider of information technology solutions to business, government, education and healthcare customers in the United States, the United Kingdom and Canada. A Fortune 500 company and member of the S&P 500 Index, CDW helps its customers to navigate an increasingly complex IT market and maximize return on their technology investments. For more information about...

Attain is the most trusted and comprehensive source for permissioned, real-time purchase data in the United States. By connecting directly with over 10 million consumers, Attain delivers unmatched accuracy and scale across audience activation, insights, and in-flight optimization, and measurement, helping marketers tie every dollar of media to real-world sales outcomes. Attain’s portfolio of owned and operated apps, spanning financial...

Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation, we’re on a mission to power real...

In March of 2002, Belvedere Trading emerged as Chicago’s newest market maker, soon to join the ranks of the Windy City’s elite proprietary trading firms. Armed with printouts of Excel workbooks and a team of eager minds, Belvedere established their place in the SPX pit on the floor of the Chicago Board Options Exchange. From the beginning, we have iteratively...

CWAN was founded on a simple belief: investment professionals deserve modern technology that actually works for them. Not legacy systems that slow them down. Not fragmented data that creates confusion. But one comprehensive platform that gives you complete visibility and crystal-clear insights. The result? Investment management that works as seamlessly as your investment strategy. Since our founding in 2004, CWAN has been...

Together, we've turn ambition into action. For more than three decades, Citadel has captured undiscovered market opportunities in markets around the world by empowering extraordinary people to pursue their best and boldest ideas. We strive to identify the highest and best uses of capital to generate superior long-term returns for the world’s preeminent public and private institutions.

Our mission is to move financial lives forward. We utilize data and technology to connect everyday Americans to financial solutions, empowering our customers to achieve their financial goals and build financial health. We are a data-driven platform at the intersection of technology and credit*, built to meet the financial needs of millions of middle-income Americans. We use data and machine learning...

OppFi is a leading tech-enabled digital finance platform that works with banks to provide financial products and services for everyday Americans. Through a transparent and responsible platform, which includes financial inclusion and excellent customer experience, the Company supports consumers who are turned away by mainstream options to build better financial health. OppFi maintains an A+ rating from the Better Business Bureau...

As the AI platform for business transformation, we're putting AI to work across organizations — freeing people for work that matters. Making old tech work with new tech. Reaching across departments, from the front office to the back office and every office in between. Our ambition? To become the AI defining enterprise software company of the 21st century (or "AI...

IMC is a global trading firm powered by a cutting-edge research environment and a world-class technology backbone. Since 1989, we’ve been a stabilizing force in financial markets, providing essential liquidity upon which market participants depend. Across our offices in the US, Europe, Asia Pacific, and India, our talented quant researchers, engineers, traders, and business operations professionals are united by our...