Top Tech Companies in Chicago, IL (4,904)

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...

At Vibes, our premier mobile messaging platform helps world-class brands intelligently automate and optimize their mobile marketing outcomes through the power of SMS, MMS, RCS and Mobile Wallet. Industry leaders like Chipotle, Kohl’s, Polo Ralph Lauren, The Children's Place, KFC, Ulta Beauty, and others use Vibes to grow their customer relationships with relevant, high-volume mobile messaging and mobile wallet marketing on...

The Wolverine companies comprise a number of diversified financial institutions specializing in proprietary trading, asset management, order execution services, and technology solutions. We are recognized as a market leader in derivatives valuation, trading, and value-added order execution across global equity, options, and futures markets.

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...

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,...

Wipfli is an advisory firm that delivers holistic solutions to help clients navigate the modern marketplace, optimize performance and drive growth. Our more than 3,000 full-time associates deliver digital, people, strategy, risk, financial and outsourcing solutions to 54,000+ clients. "Wipfli" is the brand name under which Wipfli LLP and Wipfli Advisory LLC and its respective subsidiary entities provide professional services. Wipfli...

We solve for advertising campaign and creative complexities - both key elements to the time/money savings and performance that brands, agencies and businesses seek. Our unified platform combines media, creative, and intelligence, offering end-to-end workflows powered by AI across the open and closed web. With over 700 brands and advertisers, we've proven that dynamic and personalized creative makes advertising impactful. We...

Enova International (NYSE: ENVA) is a leading online financial services company that serves small businesses and consumers who are underserved by traditional banks. For over 20 years, Enova has provided over $67 billion in loans and financing to more than 14 million customers by offering a suite of market-leading products powered by the company's world-class analytics, machine learning algorithms and...

Transforming the insurance industry is ambitious, we know. That’s why at Applied, we’re building a team that shows up every day ready to learn, willing to try new things, and driven to deliver innovative software and services that make us indispensable to our customers – all within a culture built on values that make us indispensable to each other, too....

Grow along with our rapidly expanding organization and help us build and serve up customized, unique technological and client service solutions! We’re pushing the boundaries of what a debt consolidation company can offer. But our mission to uplift isn’t limited to our clients — we know our people deserve to be elevated to their highest potential through growth opportunities, a...

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....

Who We Are Founded in 2001, Adage Technologies is a digital engineering firm building modern, AI‑enabled solutions that help organizations engage their audiences and operate more efficiently. With offices in Chicago and Medellín, our 120‑person team blends strategy, design, engineering, and data to create impactful digital experiences for performing arts organizations, associations and accreditation bodies, and manufacturing and distribution companies. What We...

At Locusview, we help utilities control and optimize their capital projects while preparing for the coming challenges of building smarter infrastructure. This is why we built the world’s best Digital Construction Management (DCM) platform that helps energy, telecom and water utilities manage large scale construction projects from Planning to Revenue. We are fast-paced, and expect employees to use their creativity...

At Vail we develop innovative technology to enhance the way people communicate. Our mission is to create business value for our clients and growth opportunities for our employees by developing solutions that inspire people to interact freely and authentically.

At Affirm, we help people say yes to the things that matter with flexible, transparent ways to pay over time. No hidden fees, no compound interest, and no fine print—just a smarter way to spend.

That’s why we’re investing heavily in the right people, technology, and media to make that happen in the US and across the globe.  The tasty house of brands empowers individual traders differently. tastylive, founded in 2011, is an online financial media network, tastytrade (previously known as tastyworks) is a self-directed retail brokerage firm that launched in 2017, tasty Software Solutions and tastyfx, is...

Since our founding in 2004, Simplex has continued to remain at the forefront of the industry by focusing on innovation, automation, and data-driven analysis. Simplex is a leading technology-driven market-making firm that builds proprietary software to create and capitalize on financial opportunities. We combine talented and dedicated technologists with data-driven employees to solve constantly evolving puzzles in the marketplace. Specializing in...

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...

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...

SteelSeries is a global leader in gaming. We create hardware and software that enhances the gaming experience, improves performance, and leads to winning. Want proof? Esports pros have won more prize money using our gear than with any other brand. Our philosophy is that professional quality gear benefits every gamer, whether they're playing with friends, streaming their favorite titles, or...