Top Tech Companies in Chicago, Illinois (4,859)

A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in...

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.

Mondelēz International, Inc. (NASDAQ: MDLZ) is an American multinational confectionery, food, and beverage company based in Illinois which employs approximately 90,000 individuals around the world. Our Purpose Our purpose is to empower people to snack right. We will lead the future of snacking around the world by offering the right snack, for the right moment, made the right way. Our...

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...

Artera, a SaaS leader in digital health, transforms patient experience with AI-powered virtual agents (voice and text) for every step of the patient journey. Trusted by 1,000+ provider organizations — including specialty groups, FQHCs, large IDNs and federal agencies — engaging 100 million patients annually. Artera’s virtual agents support front desk staff to improve patient access including self-scheduling, intake, forms,...

Gogo Business Aviation is the world’s leading provider of broadband connectivity services for the business aviation market. We offer a customizable suite of smart cabin systems for highly integrated connectivity, inflight entertainment, and voice solutions – innovations that help people in the air stay fully connected to their work, life and entertainment on the ground. Gogo created the inflight connectivity...

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.

JPMorgan Chase & Co. (NYSE: JPM) is a leading global financial services firm with assets of $3.7 trillion and operations worldwide. The firm is a leader in investment banking, financial services for consumers and small businesses, commercial banking, financial transaction processing, and asset management. A component of the Dow Jones Industrial Average, JPMorgan Chase & Co. serves millions of consumers...

Our platform creates comprehensive digital twins of your supply chain with AI-powered digital workers to automate resolution, improve collaboration and drive outcomes across all stakeholders. Unlike traditional control towers, we enable true real-time execution and intelligent fulfillment, transforming both your supply and customer-facing operations.

At GoHealth, advancing health equity starts with the intentional, data-driven application of proprietary technology, beneficiary and Medicare-expert insight, and an unwavering commitment to creating positive, health-focused impacts. With our determined drive to help Medicare consumers find a plan that fits their budget and needs, we believe in hiring risk-takers, innovators, and collaborators within our industry to create individualized, simplified healthcare...

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. We believe cybersecurity should deliver more than alerts — it should deliver clarity, confidence, and control. That’s why we built an AI-powered Exposure Management platform that gives...

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...

Apex Fintech Solutions provides the tools and services that enable hundreds of clients to launch, scale, and support digital investing for tens of millions of end investors. The company provides essential infrastructure and a comprehensive ecosystem of cloud-based products to enable and streamline trading, wealth management, cost basis, tax reporting, and, through its subsidiary Apex Clearing™, custody and clearing. For...

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...

Hudson River Trading brings a scientific approach to trading financial products. We have built one of the world's most sophisticated computing environments for research and development. Our researchers are at the forefront of innovation in the world of algorithmic trading.

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...

Rundoo gives independent paint and hardware stores the best technology to rise above the competition, so you can win customers, streamline operations, and grow your business.

At Arrive Logistics, our relentless pursuit of perfection fuels our ability to optimize operations, identify efficiencies, build technology, and deliver innovation that pushes businesses like yours forward. But it’s not just what we do that sets us apart from everyone else — it’s what we’re made of grit, determination, and a 24/7 commitment to our partners. The details matter. We don’t...

Over the last 15 years, we’ve grown from a startup to a market-leading organization with over 150 team members, and we’ve created an award-winning culture that makes this company an amazing place to work. We've been ranked on multiple best places to work lists including the 2024 BuiltInChicago rankings.