Top Startups in Illinois (10,000+)

We Make a Difference Because We Are the Difference! At Optimum, we’re not just connecting people – we’re transforming how they experience the world. With a footprint spanning 21 states and serving approximately 4.5 million residential and business customers, we're building the future of connectivity through innovative services like Optimum Fiber Internet, Optimum TV, and Optimum Mobile. This connectivity wouldn’t...

Closinglock is the trusted platform for securing and streamlining real estate transactions. Working with title companies and law firms nationwide, it protects what truly matters: their clients, their funds, and their hard-earned reputation. Closinglock brings the entire workflow into one secure space—from ID verification and wire instructions to payments and eSigning. This means users can close deals faster, with total...

https://www.youtube.com/@northslope-technologies At Northslope, we believe that purpose-built AI products in the hands of business operators create far more value than slide decks or off-the-shelf software. That’s why we partner with ambitious organizations to transform entire industries through Palantir’s Foundry and AIP platforms—delivering powerful, measurable outcomes in weeks, not years. We operate more like a product startup than a traditional services firm. Our...

BlackRock is a global asset manager. We help investors build better financial futures. As a fiduciary to investors and a leading provider of financial technology, our clients turn to us for the solutions they need when planning for their most important goals. Our founding mission was to establish a firm that thinks differently about managing investment risks to best serve...

We bridge deep tech into farming. Halter enables farmers to remotely shift, virtually fence and proactively monitor their cows’ health and behaviour. Can you imagine watching 500 cows or cattle walk calmly towards the milking shed or their next break? No quad bikes, no dogs, no fences. Just a mob of cows walking at their own pace. People say it...

Sailor Health is on a mission to solve the mental health crisis among older adults. In the United States, older adults have the highest suicide rates of any age group yet receive the least mental health care. By 2030, over 65 million seniors will make up nearly a quarter of the U.S. population, creating one of the largest and most...

Templafy is the leading AI-powered document generation platform for companies with a need to create accurate, compliant, and on-brand documents with maximum efficiency and ease. Accessible directly from applications like Microsoft Office, Google Workspace and Salesforce, Templafy is trusted by more than 800 industry leading enterprises, including KPMG, IKEA, and BDO. Our platform simplifies document workflows and eliminates the complexity...

PartySlate is a fast-paced Chicago startup disrupting the $156 billion events industry in the United States. There are 13 million parties per year, produced by over 460,000 venues and vendors. PartySlate connects people planning all types of events — from weddings and corporate events to galas and milestone birthdays — with the venues and vendors who can bring their ideas...

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...

Celonis makes processes work for people, companies and the planet. The Celonis Process Intelligence Platform uses industry-leading process mining and AI technology and augments it with business context to give customers a living digital twin of their business operation. It’s system-agnostic and without bias, and provides everyone with a common language for understanding and improving businesses. Celonis enables its customers...

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....

Garner Health is a health tech startup that is transforming the healthcare economy by enabling patients to receive high-quality and affordable care. Garner Health has two core offerings: Garner, a benefit program that uses a new approach to data science and incentive accounts to help employees find the best doctors in their communities, and Garner DataPro, a provider recommendation platform...

Marble Health is building the operating system for youth mental health. A platform that connects schools, therapists, health plans, and families - who all have incentives to provide truly effective care to kids struggling with their mental health. Our mission is simple but ambitious: make it dramatically easier for young people to get the mental health care they need, and...

IDeaS is a company of innovators, collaborators, and educators. Founded in 1989, with the goal to revolutionize revenue management for businesses worldwide. The company's founders were pioneers in revenue science, and IDeaS has continued to lead the way in this field ever since, particularly in the hospitality and travel industries. We use advanced mathematics and industry expertise to turn data into...

Upstart is the leading AI lending marketplace, connecting millions of consumers to more than 100 banks and credit unions that leverage Upstart’s AI models and cloud applications to deliver superior credit products. With Upstart's AI, lenders can approve more borrowers at lower rates across races, ages, and genders, while delivering the exceptional digital-first experience customers demand. More than 80% of...

Sysco LABS is a technology-focused division within Sysco, dedicated to reimagining foodservice through innovation. Sysco LABS uses customer and market intelligence, data-driven insights and agile technology development to rethink the entire foodservice ecosystem.

A pioneer in financial and government technology, ClassWallet's technology is used by public agencies across 35 states to maximize the positive impact of public funding on people’s lives. Since 2014, the ClassWallet platform has been used to deliver more than $4 billion in public funds to millions of citizens, and has helped clients achieve the highest standards of program integrity...

GumGum is a contextual-first, global digital advertising platform that uses advanced AI technology to serve captivating creative ads that drive consumer attention, without the use of personal data. At GumGum, we don’t need to know who you are to deliver relevant and engaging ads that align with your active frame of mind. We believe that a digital advertising industry based...

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...

By automating and streamlining common accounting workflows to make them more efficient, FloQast is where accounting teams want to work so they can focus on what matters most, even when that’s just logging off on time. Whether automating reconciliations, documentation requests, or streamlining recurring accounting processes, such as the month-end close, financial reporting, or payroll, FloQast's platform enhances the way...