Top Illinois AdTech Companies (399)

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...

Taboola empowers businesses to grow through performance advertising technology that goes beyond search and social and delivers measurable outcomes at scale. Taboola works with thousands of businesses who advertise directly on Realize, Taboola’s powerful ad platform, reaching approximately 600M daily active users across some of the best publishers in the world. Publishers like NBC News, Yahoo, and OEMs such as Samsung,...

Expedia Group, Inc. is the global travel marketplace with one purpose: to help travelers explore the world, one journey at a time. Expedia Group™ connects travelers, partners, and advertisers through its trusted brands, leading technology, and rich first-party data, delivering predictive, personalized experiences that shape the future of travel. Expedia Group’s ecosystem includes three flagship consumer brands – Expedia®, Hotels.com®, and...

OpenX is The Intelligent SSP™ (supply-side platform), simplifying advertising for marketers, advertisers, and publishers worldwide. As one of the largest SSPs globally, OpenX combines the industry’s only fully cloud-based infrastructure with leading AI capabilities to make digital advertising easier and more effective across every format, including CTV. Built to responsibly deliver quality, performance, and adaptability, OpenX makes digital advertising safer,...

People Inc. is America’s largest digital and print publisher. Our 40+ iconic and fast-growing brands harness the best intent-driven content, the fastest sites, and the fewest ads to help nearly 200 million people every month, including 95 percent of US women, make decisions, take action, and find inspiration. People Inc. brands include PEOPLE, Better Homes & Gardens, Verywell, FOOD &...

Basis 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 marketing...

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...

At PatientPoint, we're transforming every doctor-patient interaction with cutting-edge, technology-driven solutions designed to improve health outcomes and quality of life. By delivering impactful, digital, in-office patient education at no cost to physicians across the country, we empower healthcare professionals to connect more meaningfully with their patients. Through partnerships with trusted healthcare brands like Pfizer, P&G, Sanofi, Merck, NatureMade, and Bristol...

Ahold Delhaize USA, a division of global food retailer Ahold Delhaize, is part of the U.S. family of brands, which includes five leading omnichannel grocery brands – Food Lion, Giant Food, The GIANT Company, Hannaford and Stop & Shop. Our associates support the brands with a wide range of services, including Finance, Legal, Sustainability, Commercial, Digital and E-commerce, Technology and...

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...

XR Extreme Reach is the company behind the leading tech platform powering the global creative economy. We move creative at the speed of media, delivering unparalleled control, visibility and insight. Simplify campaign complexity with one global partner. See More. Know More.

Human Agency is building a world where the most powerful tools of media and technology can and should be used to advance the values and goals of people. Digital advertising today is profit-centered, more complex than it needs to be, and is currently monopolised by those who have existing knowledge, tools and resources. We are changing this by building a...

Winsby is a business development firm in Chicago, providing sales and marketing services to companies since 2003. Our clients are manufacturers, distributors, service providers, and retailers.

We are Octagon. A global agency in sports, entertainment, and culture. We strike deals. Set the pace. We’re playmakers. A group of creative thinkers and energetic doers inspiring and helping brands and talent to step up and stand out. Octagon is the world’s largest creative marketing and sponsorship consulting practice, and a pioneer and leader in athlete and personality representation...

Catalina’s personalized digital media drives loyalty and measurable sales outcomes for the world’s leading CPG retailers and brands. Catalina is the market leader in shopper intelligence and highly targeted in-store and digital media that personalizes the shopper journey. Powered by the world’s richest real-time shopper database, Catalina helps CPG brands, retailers and agencies optimize every stage of media planning, execution and...

Salt XC is an agency driven by the philosophy of Experiential Commerce™. Our unique framework for designing better consumer experiences that earn attention and drive action. We take an integrated approach that connects your consumer’s online and offline experiences through data, media and the memorable moments that drive brand transactions.

SmarkLabs is the faster, more reliable, and scalable way to do marketing. Join hundreds of B2B businesses using creative, tech, and strategy crafted by the team at SmarkLabs

VDX.tv is a global, TV/video advertising technology company that helps brands magnify the magic of their TV ads by connecting the TV with a household member's personal devices and allowing consumers to interact with their TV ads on their phones and other devices. Our solutions are specifically designed to address the unique challenges in each industry vertical. Our mid-funnel video...

At 84.51° we use sophisticated tools, technology and data analytics to help retail partners develop, nurture and embrace customer-driven relationships. 84.51° is a retail data science, insights and media company. We help the Kroger company, consumer packaged goods companies, agencies, publishers and affiliated partners create more personalized and valuable experiences for shoppers across the path to purchase. Powered by cutting edge...

Tinuiti is the largest independent full-funnel performance marketing agency in the US across the media that matters most. Tinuiti has $4 billion in digital media under management and more than 1,200 employees. The agency’s patented tech, Bliss Point by Tinuiti, measures what marketers previously struggled to measure, delivering unprecedented clarity in today’s murky marketing world to get brands to their...