Top Tech Startups in Illinois, US in 2026

In 2012, our five entrepreneurs asked themselves "why is it easier to get unbiased information about a $100 hotel room than a $100,000 piece of software?" The next day, we founded G2. We’ve published 3,006,600+ reviews that are helping millions of businesses make better buying decisions .We’ve raised $100M to change the way businesses research, buy, and manage their software and services. We serve every buyer and seller of tech and services in the world. We provide unique, authentic peer advice in real time. Our culture code is "PEAK", which stands for "Performance ", Entrepreneurship", "Authenticity", and "Kindness". By capturing our collective wisdom, we will make purchasing business technology as easy as buying consumer products.

Peloton is the leading interactive fitness platform globally, with a passionate community of more than 7 million Members in the US, UK, Canada, Germany, and Australia. Peloton makes fitness entertaining, approachable, effective, and convenient, while fostering social connections that motivate its Members to commit to their fitness journeys. Consumers can access the Peloton library with thousands of live and on-demand classes at the gym, at home, on the road, or wherever they choose to move, through the Peloton Bike, Peloton Tread, Peloton Bike+, Peloton Guide, and Peloton App on any iOS or Android device and select smart TVs. Through Peloton Corporate Wellness or Peloton Commercial, organizations and enterprises also have access to the Peloton platform and select Peloton products for their teams and customers. An innovator at the nexus of fitness, technology, and media, Peloton reinvented the fitness industry by developing a first-of-its-kind subscription platform that seamlessly combines the best equipment, proprietary networked software, world-class streaming digital fitness and wellness content, and best-in-class fitness Instructors.

About Zenskar Zenskar is an AI-native revenue automation platform built to handle real-world complexity. It sits between your CRM and ERP and automate everything in between: billing, revenue recognition, collections, usage metering, and analytics. Across any pricing model, any entity structure, any currency. Our vision: Zero-Touch: Finance. Agents execute. Humans supervise. Finance teams set the rules. Zenskar runs them. Founded by [Apurv Bansal](linkedin.com/in/bansalapurv) and [Saurabh Agarwal](linkedin.com/in/saurabh--agrawal), second-time founders whose previous startups were acquired by Snapdeal and Gaana. The team brings experience from Google, Deutsche Bank, Elevation Capital, Harvard Business School and IITs. We have 5x'd revenue in the past year.

Amazon is guided by four principles: customer obsession rather than competitor focus, passion for invention, commitment to operational excellence, and long-term thinking. We are driven by the excitement of building technologies, inventing products, and providing services that change lives. We embrace new ways of doing things, make decisions quickly, and are not afraid to fail. We have the scope and capabilities of a large company, and the spirit and heart of a small one. Together, Amazonians research and develop new technologies from Amazon Web Services to Alexa on behalf of our customers: shoppers, sellers, content creators, and developers around the world. Our mission is to be Earth's most customer-centric company. Our actions, goals, projects, programs, and inventions begin and end with the customer top of mind. You'll also hear us say that at Amazon, it's always "Day 1."​ What do we mean? That our approach remains the same as it was on Amazon's very first day - to make smart, fast decisions, stay nimble, invent, and focus on delighting our customers.

CookUnity is the first-ever chef-to-consumer platform. Connecting a diverse group of talented chefs with busy food lovers, we’re elevating the at-home dining experience. On a quest to unlock the world’s best food creators and bring their meals to the masses, CookUnity is home to more than 35 of NYC and LA’s most talented chefs. Through a weekly subscription, consumers can select from a robust and ever-changing menu of handcrafted meals that cater to a wide variety of palates and dietary preferences. Delivering more than 3.5M meals per year and growing 5x YoY, CookUnity is also helping Chefs double their income and build their own teams under their personal brands. Believing that healthy food fuels stronger communities, CookUnity contributes to an ongoing partnership and donation with the Food Bank For New York City, the city’s major hunger-relief organization working to end food poverty across all five boroughs. A growing startup with kitchens in Brooklyn and Los Angeles, CookUnity reaches subscribers throughout the country, with ambitious expansion planned for 2021. Join Us!

One Medical is the fastest growing primary care practice in the country. But this is no ordinary doctor’s office. Everything we do is built around how people live today. From our office experience to the exceptional people we hire to technology that simplifies getting — and giving — care, we’re transforming healthcare and truly changing people’s lives.

Farmers Business Network connects farmers and their data through our independent agronomic network. We seek to improve the livelihood of farmers by making their data useful and accessible. Farmers Business Network (FBN) provide farmers with product performance, yield analysis, yield benchmarking and predictive analytics based on real world performance data from thousands of fields. FBN utilizes data science and machine learning to provide members with insights about each of their fields, powered by billions of data points from our network.

Brilliant delivers memorable, impactful brand impressions through the best corporate gifting experiences in the world. With a focus on creativity and technology, Brilliant curates, produces, and helps companies distribute memorable gifts and branded merchandise. Whether it's welcome gifts for new hires, newsworthy press kits, merch sets to promote a product launch, or giveaways people love, our team of retail trend experts and designers create impactful products that bring brands to life. Services include concepting, sourcing, design, packaging, merch collections, company stores, touchpoint gifting, warehousing, fulfillment and distribution. Technology is part of our DNA. Our proprietary technology gives clients instantaneous access to important information and tools, including real-time inventory data, on-demand fulfillment services via web and API, and a convenient Slack integration.

We empower GTM leaders to build a consistent brand across every customer touchpoint. Our automated language generation and writing suggestions make it possible for teams to accelerate content, align brand, and empower more writers across all types of content and communications. Enterprise-class and simple to roll out, Writer is deployed widely at leading brands like Twitter, Intuit, UiPath, UnitedHealthcare, Accenture, and Spotify.

Martal Group is a top lead generation & sales agency servicing B2B tech companies. We are a turnkey solution sales partner generating qualified leads, providing support staff and sales streamlining services, right through to signed contracts. Our team specializes in creating leads for SaaS, IT services and IOT vendors who cater enterprise software, location-based services, search relevance, data annotation, video analytics, consumer insights, sales performance management, cloud backup, fleet management, AI powered applications and other products. We provide managed services for outbound sales, our fractional sales executives, marketing leaders and account managers will help your team in sourcing deals, pitching prospects and winning new business. Our U.S. and Canada based executives serve as an extension of your sales and marketing team; they are sourced to fill your sales teams’ calendar with new business, accelerate your growth and fill gaps in your process. We build weekly prospect lists enriched by intent data. We target decision makers using multiple touch points - email marketing, linkedin messaging, cold calls and trade shows.