Top Thornton, CO Startups (10,000+)

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...

Our Mission: Create a world where everyone has an authentic digital identity. Identity Digital is an internet infrastructure company that makes sure web addresses work seamlessly. If we do our job right, we are invisible to the user. We have the world’s largest portfolio of nearly 300 TLDs like .info, .pro, .world, which lets people and businesses build, market, and own...

Founded in 2011, Zapier is the world’s most connected AI Orchestration platform. By connecting over 8,000 of the most popular work apps, Zapier empowers its users to make the most of the tools they already use—and to focus on what matters most and ultimately, make automation work for everyone. With teammates spanning 40+ countries around the world, we're fully remote, forever.

TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record...

McMaster-Carr is an e-commerce company offering more than half a million products used to keep business in motion. With more than 300,000 daily visits to our website, customers from a variety of industries turn to us when they need to build, design, repair or maintain just about anything because we are the complete, one-stop source for industrial supplies. Technology teams...

Hometap is on a mission to make homeownership less stressful and more accessible. Our home equity investment product provides homeowners with a fast, simple, and straightforward way to access the equity in their home without taking out a loan or having to sell. By investing alongside homeowners, Hometap offers debt-free cash in exchange for a share of their home’s future...

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 13,000 employees in over 35 offices worldwide.

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...

Addition Wealth is a holistic personal finance platform that empowers employees to make smart, informed financial decisions. By taking a tech-forward approach that combines digital tools, community events, expert content, and access to financial professionals, Addition is making personalized financial expertise inclusive and accessible for all employees. Addition partners with forward-thinking employers to help employees make the most of their...

Super-charged customer acquisition. Centerfield delivers outcome-based digital marketing solutions and personalized omnichannel experiences for the world’s leading brands. Powered by our proprietary Dugout platform, Centerfield acquires customers at scale for leading residential service, insurance, e-commerce and B2B brands. Centerfield’s digital experiences and digital brands, such as Business.com and BroadbandNow.com, reach more than 150 million in-market shoppers annually. Centerfield is headquartered...

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...

We are digital marketing at the highest level for real estate agents and teams all over the US. Powered by big data and AI for lead generation and lead nurture at scale we are creating industry leading solutions for our clients.

Grammarly is the trusted AI assistant for communication and productivity, helping over 40 million people and 50,000 organizations do their best work. Companies like Atlassian, Databricks, and Zoom rely on Grammarly to brainstorm, compose, and enhance communication that moves work forward. Grammarly works where you work, integrating seamlessly with over 500,000 applications and websites. Founded in 2009, Grammarly is No....

The peaceful use of space is essential for continued prosperity on Earth—from communications and finance to navigation and logistics. True Anomaly builds innovative technology at the intersection of spacecraft, software, and AI to enhance the capabilities of the U.S., its allies, and commercial partners. We safeguard global security by ensuring space access and sustainability for all.

Kargo creates breakthrough cross-screen ad experiences for the world’s leading brands and publishers. Every day, our 600+ employees bring the power of their creativity and diversity to radically raising the bar on what mobile, CTV, AI, social, and eCommerce can do to wow consumers and build businesses. Now 20 years strong, Kargo has offices in NYC, Chicago, Austin, LA, Dallas,...

TrueML makes financial technology that prioritizes customer experience and revolutionizes the experience of consumers seeking financial health. We’re a team of inspired data scientists, financial services industry experts, and customer experience fanatics creating experiences that serve people in a way that recognizes their unique needs and preferences as human beings and endeavoring to ensure nobody gets locked out of the...

VSCO is on a mission to nurture creativity so photographers can make it. We place human creativity at the heart of new technology. Our editing and business tools honor and elevate the timelessness of the creative process while enabling our members to find community and success in exciting and innovative ways. VSCO maintains a rich and authentic creative environment that serves...

iManage is dedicated to Making Knowledge Work. Over one million professionals across 65+ countries rely on our intelligent, cloud-enabled, secure knowledge work platform to uncover & activate the knowledge that exists inside their business content and communications. We are continuously innovating to solve the most complex professional challenges & enable better business outcomes. Our work is not always easy but it...

Doodle Labs designs and produces industrial-grade wireless networking solutions. The company focuses on mesh networking for robotic systems, providing high throughput, long-range Mesh Rider solutions for UAVs, UGVs, AMRs and other robotic applications. The company’s Helix Mesh Rider Radio was developed with sponsorship from DIU and is the Blue UAS program’s datalink of choice. Doodle Labs was named one Fast Company's "World's...

Ibotta (NYSE: IBTA) is a leading performance marketing platform allowing brands to deliver digital promotions to over 200 million consumers through a network of publishers called the Ibotta Performance Network (IPN). The IPN allows marketers to influence what people buy, and where and how often they shop – all while paying only when their campaigns directly result in a sale....