Top Tech Companies in Chicago, Illinois (4,821)

CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world. With more than 8,000 employees, CSC operates in more than 140 jurisdictions, delivering solutions that help businesses thrive. We pride ourselves on our client-focused approach, market-leading expertise, and unmatched global reach.

Grainger is a leading broad line distributor with operations primarily in North America, Japan and the United Kingdom. We Keep The World Working® by serving more than 4.5 million customers worldwide with products delivered through innovative technology and deep customer relationships. We’re dedicated to providing value for customers, fostering an engaging culture for team members and driving strong financial results....

Block, Inc. is a global technology company with a focus on financial services. Made up of Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto, Block, Inc. builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the...

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...

Basis Technologies is a leading global provider of automation software designed specifically for enterprise marketers. Our platform, Basis, is the industry’s only comprehensive digital media solution that seamlessly integrates programmatic, site-direct, advanced TV, search, and social media within a single interface. By unifying these functions, Basis simplifies complex and disconnected media operations, automates repetitive tasks, and minimizes manual processes, enabling...

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 American consumers. Since Avant (AvantCredit®) was founded in...

Lessen is the tech-enabled, end-to-end property service provider that is transforming how commercial and residential real estate services are delivered and managed at scale. Lessen’s technology platform provides data-driven insights that unlock key growth opportunities for the entire real estate ecosystem—including investors, owners, managers, and service providers. The company leverages a network of over 30,000 vetted, qualified vendors (Lessen Affiliates)...

tms unites technology and marketing and sourcing to drive transformational change for the world’s leading brands. With 1200+ employees across 26 countries, we offer an impressive range of solutions — from inspiration and innovation to category management and delivery. ​ Headquartered in Chicago with 10 offices worldwide, we are responsible for some of the world’s most successful and iconic long-term marketing...

At Toro TMS, we are on a mission to deliver technology that drives lasting improvements for the trucking industry. Our dedicated team has built an easy-to-use, modern end-to-end TMS specifically designed for bulk haulers. From load management and dispatch, to accounting and driver payroll, we provide a single software solution to help our customers move more loads.

EDGE is a data and analytics platform that harnesses bank transaction data to measure consumer credit risk. Founded in 2021, EDGE is part of a larger family of FinTech brands that sits underneath our parent company, NinjaHoldings (www.ninjaholding.com). NinjaHoldings’ brands also include CreditNinja, an online consumer lending business, and NinjaCard, a neobanking platform focused on consumers in the emerging credit...

BenchPrep helps the world's leading education, training, and assessment companies build and deliver best-in-class online learning programs. The platform is designed to personalize the learning experience for each user, adapting to their needs and progress. BenchPrep often offers mobile apps or responsive design, making it easy for learners to access their materials on various devices, such as smartphones and tablets....

Founded in 2001, Vivid Seats is a leading online ticket marketplace committed to becoming the ultimate partner for connecting fans to the live events, artists, and teams they love. Based on the belief that “Life Happens Live”, the Chicago-based company provides exceptional value by providing one of the widest selections of events and tickets in North America and an industry...

Nextpoint is the industry leader in delivering cloud-based services for eLaw. Our market leading software and services help legal related organizations conquer their eDiscovery, Litigation and Admin needs. We do this by providing a powerful SaaS platform with world-class support and engagement teams that help hundreds of law firms across the country manage large data sets, identify relevant information via...

Founded in 2001, Adage Tech is a web design and development firm combines strategic thinking with a passion for technology to advance our client's purpose. We bring together a diverse team of creative and technical professionals who partner with our clients to create their digital strategy and build applications to connect with their audiences.

Prolaio is a clinical intelligence company dedicated to unlocking continuous, predictive and shareable heart data to liberate patients from hospital-based reactive care and accelerate every new therapy. The company was created by cardiologists, cardiovascular practitioners, and data scientists specifically to address the world’s number one cause of death — cardiovascular disease. By combining scientific rigor with cutting‑edge technology, Prolaio aims...

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...

Kalderos is a data infrastructure and analytics company that’s solving challenges around drug discounts in the U.S. healthcare system. Through platform technology and big data, our team is delivering smart solutions that enable healthcare stakeholders to collaborate with greater transparency and trust. We’re passionate about our mission to take on the most stubborn challenges in healthcare. We also know that...

We help companies translate their data into meaningful and actionable information so they can stay ahead in a rapidly changing world.   We know data and analytics can be complicated and overwhelming. But data and analytics is all we do, and we are here to guide you through the complexities - so you can make sense of your data and use it...

ZS is a management consulting and technology firm that partners with companies to improve life and how we live it. We transform ideas into impact by bringing together data, science, technology and human ingenuity to deliver better outcomes for all. Founded in 1983, ZS has more than 13,000 employees in over 35 offices worldwide.

Our digital marketplace connects thousands of businesses and more than six million workers, actively working to help bridge the labor demand/supply gap. Instawork helps businesses in food & beverage, hospitality, and warehouse/logistics industries fill temporary and permanent roles in more than 40 U.S. markets. We have been fortunate to be funded by world-class investors in Silicon Valley including: Benchmark (Bill Gurley),...