Top Tech Companies in Illinois (10,000+)
Founded in 1919, Baird has guided families, businesses, communities and institutions toward their financial goals for a century. Today employee-owned Baird offers wealth management, investment banking, asset management, institutional sales and trading, equity research, public finance and private equity services through more than 160 offices in the United States, Europe and Asia. Baird manages and oversees more than $305 billion...
Martindale Consultants, Inc. is a consulting firm specializing in oil and gas accounting, audit, regulatory compliance, and litigation support. Founded in 1982, it serves clients in the energy sector.
Charter Global provides both consulting and practical services to clients looking to undertake IT restructuring projects within their companies.
Matter is a Brand Elevation Agency that integrates PR, marketing and creative services into content-rich campaigns that inspire action and build value. Founded in 2003, with eight offices spanning North America, Matter works with the world’s most innovative companies across healthcare, high-technology, consumer technology and consumer markets.
Youth Civic Accelerator (YCA) is a national operations hub and incubator that launches and scales youth-led civic organizations. It provides emerging chapters with shared finance, human resources, payroll, legal, compliance, data, fundraising, benefits, vendor, and digital-security infrastructure. This support enables young organizers—especially those from BIPOC and working-class communities—to build power, mobilize voters, lead campaigns, advance justice, and drive policy change.
Analysis Group is one of the largest international economics consulting firms, with more than 1,200 professionals across 14 offices in North America, Europe, and Asia. Since 1981, we have provided expertise in economics, finance, health care analytics, and strategy to top law firms, Fortune Global 500 companies, and government agencies worldwide. Our internal experts, together with our network of affiliated...
Behavioral Health Solutions (BHS) is a Nevada-based behavioral healthcare organization serving post-acute care and senior-living communities. It designs and administers behavioral health programs and provides on-site and telehealth psychiatric care, therapy, medication management, and non-pharmacological interventions, primarily for residents of skilled nursing and long-term care facilities. BHS also works with policymakers to improve outcomes, regulatory alignment, and sustainable behavioral-health funding.
Twin State Technical Services builds and manages networks, software, and websites for small and medium-sized businesses, making technology simple and useful for their clients.
Catalyst Handling Resources LLC (CHR) provides high-quality catalyst handling, mechanical, and specialized industrial services to the refinery, gas, and petrochemical industries. With over 20 years of experience, their comprehensive services encompass catalyst unloading, screening, packaging, and storage, as well as shutdown and turnaround services. Their mission is to set new standards in specialized industrial services, delivering high-quality solutions and expert...
Quirk Auto Group (Quirk Auto Dealers) is a family-owned automotive dealership group operating multiple locations in New England. The company sells new and used vehicles from major manufacturers, offers financing, parts and full-service maintenance/repair, and supports local communities through regional operations in MA, NH and Maine.
Since 2010, ETS has developed, implemented and successfully proven several unique systems of training that have delivered unmatched results for thousands of youth, high school, collegiate, professional and Olympic athletes worldwide. These proprietary systems have been created through years of extensive research by combining unique ETS methods & philosophies with specific synergistic components from other world-renowned performance specialists. The unique...
We accelerate tech adoption through our services of Cyber Security, Cloud, IoT, Big Data, AI and Blockchain. Follow on our social media channels: • Twitter: https://twitter.com/TefTech_EN • LinkedIn Telefónica Tech AI of Things: https://www.linkedin.com/showcase/telefonicatech-aiofthings • Linkedin Telefónica Cyber Security & Cloud: https://www.linkedin.com/showcase/telefonicatech-cybersecurity-cloud • Youtube: https://www.youtube.com/user/telefonicatech • Instagram: https://www.instagram.com/telefonicatech • Twitch : https://www.twitch.tv/telefonicatech • Blog: https://business.blogthinkbig.com/telefonica-tech/
Ascentek supports global OEMs and manufacturing/technology companies with private-label fluid manufacturing, bulk fluid distribution, vehicle-wash systems, hard-parts assembly, on-site maintenance, chemical-management, environmental services, and software. Through Lube-Tech and its other solution brands, it designs, blends, tests, and distributes lubricants, chemicals, automotive parts, equipment, and shop supplies. The company also provides laboratory and engine testing, recycling, equipment installation, and reliability services...
InterWorks is a people-focused tech consultancy delivering premier service and expertise in collaboration with strategic partners. We are trusted to empower clients with the right people and solutions aligned to their unique needs. From data management and visualization to server monitoring and maintenance, we can customize the best data and IT solutions for you.
Gotham Greens is on a mission to transform the way we approach our food system, putting people and the planet at the forefront. Our sustainable growing practices and high-quality standards let us grow vibrant greens we’re proud to serve year-round. Local greenhouses and natural growing methods give plants everything they need and nothing they don’t for a fresh, just-picked taste....
Jr. Davis Construction Company, Inc. is a full-service heavy civil contractor based in Central Florida, specializing in heavy highway, roadway, and mass grading projects. With over 40 years of experience, they construct roads, parkways, and bridges, serving FDOT and local municipalities. They are recognized for their expertise in site development and their commitment to safety and quality in building community...
Code3 is a full-service marketing partner, powering better performance for digital disruptors and Fortune 500 leaders alike. It provides white-glove creative, media buying, and measurement services for brands across scaled digital and audience-based media platforms. Code3’s deep expertise drives business results and reveals actionable insights about customers and prospects. At a time when CEOs and CMOs are striving for greater...
Native Maine Operations Inc., operating as Native Maine Produce & Specialty Foods, is a wholesale food distributor headquartered in Westbrook, Maine. The company supplies businesses across Maine, New Hampshire, and northern Massachusetts with daily deliveries of fresh produce, dairy, and specialty foods. It serves restaurant, institutional, and wholesale customers through a Northeast distribution network focused on quality products and dependable...
Sky Climber Renewables is an independent renewable-energy service provider supporting wind, solar, and energy-storage assets across North America. The company delivers maintenance, repair, commissioning, corrective, gearbox, blade, generator, electrical, and main-component exchange services for original equipment manufacturers, independent power producers, and asset owners. Its GWO- and OEM-trained technicians provide safety-focused, data-driven workforce and field-service solutions that improve project reliability, performance,...
Spotlight Marketing + Branding is a legal marketing agency serving solo attorneys, growing firms, and multi-office practices nationwide. It combines content marketing and branding—including web design, educational blogs, video, organic social media, and email marketing—with paid advertising and lead-generation services such as social-platform and search ads, lead magnets, landing pages, and drip campaigns. Its integrated approach aims to build trust,...






























