Explore top tech companies
All Filters
Location

Office Type

Industry

Size

Open Jobs

Remote Jobs

Perks

DEI

Tech Stack

Top Tech Companies in Illinois (5,572)

Arity
Big Data • Transportation • Analytics • Big Data Analytics

Founded by The Allstate Corporation in 2016, Arity is a mobility data and analytics company focused on improving transportation. We collect and analyze trillions of miles of driving data, using predictive analytics to build solutions with a single goal in mind: to make transportation smarter, safer and more useful for everyone.

Arity
tastytrade/ tastylive/ tastyfx/ tastycrypto
Fintech • News + Entertainment • Software • Financial Services
Chicago
265 Employees
52 Benefits Hiring Now
Our dream is simple: we want more people to find more success with a better trading experience.

IG North America is home to tastytrade, tastylive, tastyfx, and tastycrypto—a family of brands built to democratize trading and empower individual investors. Founded in Chicago by the creators of thinkorswim, acquired by London-based IG Group in 2021, we combine startup innovation with the backing of a global fintech leader with 50+ years of experience. From our headquarters in Chicago's Fulton...

tastytrade/ tastylive/ tastyfx/ tastycrypto
Mondelēz International
Big Data • Food • Hardware • Machine Learning • Retail • Automation • Manufacturing
19 Offices
90,000 Employees
49 Benefits Hiring Now
We're a global snacking company empowering people to snack right.

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...

Mondelēz International
Capital One
Fintech • Machine Learning • Payments • Software • Financial Services
Change everything. Starting with your career.

At Capital One, we think and work like a tech company, using our digital fluency to transform everything about the customer experience. We’re bending data to our will, and turning a stodgy industry on its head. That’s reflected in our ranking as the number one business technology innovator in the U.S. in the 2016 InformationWeek Elite 100.

Capital One
Alliant Credit Union
Fintech • Financial Services
Chicago
906 Employees
59 Benefits Hiring Now
We’re boldly disrupting banking norms to do good for our members, employees and communities.

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...

Alliant Credit Union
Bellagent
Artificial Intelligence • Machine Learning • Business Intelligence • Generative AI
3 Offices
20 Employees
14 Benefits Hiring Now
The AI agent builder for everyday operators.

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...

Bellagent
Halo Investing
Fintech • Software • Financial Services
Chicago
120 Employees
42 Benefits Hiring Now
One of the ten most innovative finance companies in 2023, according to Fast Company.

Halo Investing is an award-winning technology platform that disrupts how protective investment solutions are used worldwide. Headquartered in Chicago, with employees worldwide, we’re on a mission to change the world by democratizing access to investment solutions that were previously unavailable to most investors. Our marketplace connects financial advisors and investors to protective investment products – including structured notes and annuities...

Halo Investing
Upside
Artificial Intelligence • Fintech • Machine Learning • Mobile • Payments • Retail • Software
4 Offices
275 Employees
71 Benefits Hiring Now
We exist to advance the economic power of people living and working in the real world.

Upside is a technology company that increases the financial power of people and businesses in the real world. Our technology has helped millions of people get more purchasing power on the things they need, and tens of thousands of brick-and-mortar businesses earn measurable profit. Billions of dollars in commerce run through the Upside platform every year, and that value goes...

Upside
Toro TMS
Cloud • Enterprise Web • Sales • Software • Transportation
Chicago
80 Employees
37 Benefits Hiring Now
Easy-to-use TMS built for Bulk Haulers

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.

Toro TMS
Let Your Resume Do The Work
Upload your resume to be matched with jobs you're a great fit for.

Citadel Securities
Information Technology • Software • Financial Services • Quantitative Trading
We embrace bold ideas and seize opportunities others don’t, from the way we operate to the strategies we deploy.

Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market’s...

Citadel Securities
Capco
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
24 Offices
6,000 Employees
37 Benefits Hiring Now
Be Yourself at Work, Make a Difference, and Act with Integrity are our values at Capco.

Capco, a Wipro company, is a global management and technology consultancy specializing in driving transformation in the energy and financial services industries. Capco operates at the intersection of business and technology by combining innovative thinking with unrivalled industry knowledge to fast-track digital initiatives for banking and payments, capital markets, wealth and asset management, insurance, and the energy sector. Capco’s cutting...

Capco
Purchasing Platform
eCommerce • Real Estate • PropTech
Chicago
30 Employees
58 Benefits Hiring Now
Purchasing Platform is the online marketplace for the property management industry.

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...

Purchasing Platform
ZS
Artificial Intelligence • Healthtech • Professional Services • Analytics • Consulting
Where passion changes lives

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 15,000+ employees in over 40 offices worldwide.

ZS
Mastery Logistics Systems
Enterprise Web • Logistics • Software • Transportation
3 Offices
500 Employees
35 Benefits Hiring Now
Mastery is on a mission to empower shippers, carriers & logistics companies to thrive in complexity.

Mastery is the World’s First Lovable Transportation Management System™ (TMS) built to support the complex world of logistics and supply chain. Mastery brings to market MasterMind™, a cloud-based SaaS technology solution for large complex organizations, providing interconnected automation, visibility, and productivity across their supply chains.

Mastery Logistics Systems
Affirm
Big Data • Fintech • Mobile • Payments • Financial Services
7 Offices
2,200 Employees
70 Benefits Hiring Now
We create honest financial products that improve lives. Ready to make a difference?

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.

Affirm
BigTime Software, Inc.
Productivity • Professional Services • Sales • Software • Consulting
4 Offices
175 Employees
62 Benefits Hiring Now
The AI-powered Professional Services platform enabling intelligent decisions and delivering profitable growth.

Leading a successful professional service firm is an art. Running a profitable firm is a business. We understand this because our founder ran an IT Consulting firm for over 15 years. He grappled with the same challenges that professional service firm owners face today. How do I know what my employees are working on? How can I connect time and...

BigTime Software, Inc.
Clearwater Analytics (CWAN)
Fintech • Software • Financial Services
See Clearly. Act Confidently.

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...

Clearwater Analytics (CWAN)
AdAction
AdTech • Digital Media • Marketing Tech • Mobile
Quality User Acquisition at Scale

At AdAction, we’re revolutionizing how brands connect with audiences through the power of mobile technology. As leaders in performance-driven marketing, we create innovative solutions that merge supply, loyalty, and rewards into seamless, mobile-first strategies. Our platform empowers brands and app developers to drive engagement, boost retention, and achieve sustainable growth by delivering personalized, reward-based experiences that foster genuine connections. With cutting-edge...

AdAction
FourKites
Artificial Intelligence • Big Data • Logistics • Machine Learning • Software • Transportation
4 Offices
475 Employees
55 Benefits Hiring Now
Leading Supply Chain Technology

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.

FourKites
NinjaTrader
Fintech • Software • Financial Services
Chicago
340 Employees
29 Benefits Hiring Now
Building better futures for all traders

More than 2 million futures traders trust NinjaTrader's award-winning software and brokerage services to help them trade smarter. Since 2003, we've been building better futures for all traders by making futures trading more accessible, scalable, and user-friendly. As a bold, innovative thought leader in the trading space, we build products and services that empower active futures traders to easily analyze...

NinjaTrader

Popular Company Searches

Tech Companies in Illinois
Illinois 3D Printing Companies
Illinois 3PL: Third Party Logistics Companies
Illinois AdTech Companies
Illinois Aerospace Companies
Illinois Agencies
Illinois Agriculture Companies
Illinois Analytics Companies
Illinois Angel or VC Firm Companies
Illinois App Development Companies
Illinois Appliances Companies
Illinois Artificial Intelligence Companies
Illinois Automation Companies
Illinois Automotive Companies
Illinois Beauty Companies
Illinois Big Data Analytics Companies
Illinois Big Data Companies
Illinois Biotech Companies
Illinois Blockchain Companies
Illinois Business Intelligence Companies
Illinois Cannabis Companies
Illinois Chemical Companies
Illinois Cloud Companies
Illinois Co-Working Space or Incubator Companies
Illinois Computer Vision Companies
Illinois Consulting Companies
Illinois Consumer Web Companies
Illinois Conversational AI Companies
Illinois Coupons Companies
Illinois Cryptocurrency Companies
Illinois Cybersecurity Companies
Illinois Data Privacy Companies
Illinois Database Companies
Illinois Design Companies
Illinois Digital Media Companies
Illinois E-Commerce Companies
Illinois Edtech Companies
Illinois Energy Companies
Illinois Enterprise Web Companies
Illinois Events Companies
Illinois Fashion Companies
Illinois Financial Services Companies
Illinois Fintech Companies
Illinois Fitness Companies
Illinois Food Companies
Illinois Gaming Companies
Illinois Generative AI Companies
Illinois Greentech Companies
Illinois Hardware Companies
Illinois Healthtech Companies
Illinois Hospitality Companies
Illinois HR Tech Companies
Illinois Industrial Companies
Illinois Information Technology Companies
Illinois Insurance Companies
Illinois Internet of Things Companies
Illinois Kids + Family Companies
Illinois Legal Tech Companies
Illinois Logistics Companies
Illinois Machine Learning Companies
Illinois Manufacturing Companies
Illinois Marketing Tech Companies
Illinois Mobile Companies
Illinois Music Companies
Illinois Natural Language Processing Companies
Illinois News + Entertainment Companies
Illinois NFT Companies
Illinois On-Demand Companies
Illinois Payments Companies
Illinois Pet Companies
Illinois Pharmaceutical Companies
Illinois Productivity Companies
Illinois Professional Services Companies
Illinois PropTech Companies
Illinois Real Estate Companies
Illinois Renewable Energy Companies
Illinois Retail Companies
Illinois Robotics Companies
Illinois Sales Companies
Illinois Security Companies
Illinois Semiconductor Companies
Illinois SEO Companies
Illinois Sharing Economy Companies
Illinois Social Impact Companies
Illinois Social Media Companies
Illinois Software Companies
Illinois Sports Companies
Illinois Telehealth Companies
Illinois Transportation Companies
Illinois Travel Companies
Illinois Utilities Companies
Illinois Virtual Reality Companies
Illinois Wearables Companies
Illinois Web3 Companies

Sign in to save company job alert.

Create Free Account