As of May 2026, there are 584 SaaS companies based in Illinois. They have combined revenues of $14.5B and employ 92.4K employees. They've raised $5.8B in capital and serve 40.5M customers combined.
Sorting: Highest -> Lowest
Showing 10 of 82 companies ranked by annual revenue.
Westmont, Illinois, United States
Silvon provides Business Intelligence software that's exclusively oriented to provide operational-level visibility to manufacturers and distributors.
Chicago, Illinois, United States
Developer of a next-generation infrastructure security technology for cloud builders created to transform their IT Infrastructure and Security. The company's infrastructure security technology, NXStack is a distributed security system providing insight and control. It is technology advisory firm that helps companies drive security, simplicity and automation through identity management, improved security automation processes and sophisticated public cloud security, enabling businesses to get performance and ROI.
Chicago, Illinois, United States
Real-time automotive collision prevention SaaS for public safety and roadway fleets
Chicago, Illinois, United States
InRule Technology® is an AI decisioning company providing integrated decisioning, machine learning and process automation software to the enterprise. By enabling IT and business leaders to make better decisions faster, operationalize machine learning, and improve complex processes, the InRule® Intelligence Automation Platform increases productivity, drives revenue, and provides exceptional business outcomes. More than 500 organizations worldwide rely on InRule for mission critical applications. InRule Technology has been delivering measurable business and IT results since 2002. Learn how to make automation accessible at www.inrule.com.
Chicago, Illinois, United States
Founded in 2000, CMMS Data Group is the market leader in CMMS software and services. Led by the award-winning MVP Plant CMMS software combined with its professional services and technical support, the Company also provides comprehensive Reliability Engineering Services. These solutions empower maintenance and reliability professionals to increase customer satisfaction, reliability, capacity, and productivity, delivering a competitive edge to their organization.
Roselle, Illinois, United States
BiznusSoft is a SaaS company established in 2013 with a vision to provide maintenance free business solutions to companies worldwide. BiznusSoft provides innovative business solutions in Field Service, Human Capital Management, and Finance. Our solutions are seamlessly integrated with each other to give you access to a one stop shop of business applications. In addition, we provide a quick start approach to implementing our products because our goal is to reduce or shorten the timeframe of the implementation and also to reduce the integration costs. Our Products: 1. BiznusSoft Field Service is a cloud-based field service management solution, which aims to improve the productivity of your service center, grow sales, and increase customer satisfaction. Our vision is to make your field service management processes simple, intelligent, and affordable, and to help you run an efficient, profitable, and customer-savvy service center. With this software, you can create sales orders directly
Evanston, Illinois, United States
Rhaeos, Inc. is a VC backed, clinical stage medical device company developing FlowSense, a patent protected platform technology and a noninvasive wireless, wearable skin patch that can assess and monitor fluid flow subdermally throughout the body.
Chicago, Illinois, United States
Deploys licensed security guards to trade shows, exhibitions, and events nationwide
Chicago, Illinois, United States
Career and leadership coaching company making coaching more impactful and affordable through the use of an innovative digital coaching technology
Each Tuesday, we reverse-engineer a real SaaS company's revenue, profit, CAC, funnels, and its top growth tactic.
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