Top Tech Companies in Chicago, IL (7,767)
The University of Chicago is an urban research university that has driven new ways of thinking since 1890. Our commitment to rigorous inquiry and intellectual freedom draws pathbreaking scholars to our global campuses, where field-defining ideas are born that challenge and change the world. The University of Chicago has its main campus on Chicago's South Side and seven international campuses...
The Brattle Group answers complex economic, finance, and regulatory questions for corporations, law firms, and governments around the world. We are distinguished by the clarity of our insights and the credibility of our experts, which include leading international academics and industry specialists. Brattle has over 500 talented professionals across three continents. For more information, please visit brattle.com
Ryan Specialty (NYSE: RYAN) is an international specialty insurance firm that provides distribution, underwriting, product development, administration and risk management services by acting as a wholesale broker and a managing underwriter. Our mission is to provide industry-leading innovative specialty insurance solutions for insurance brokers, agents and carriers. Ryan Specialty was founded in 2010 by Patrick G. Ryan, the widely respected...
We are an award-winning, independent media agency specializing in planning, buying and providing analytics on media performance. Three key benefits set us apart from most agencies: 1. We maximize your dollars and minimize waste. Our conviction is that since business situations and business needs differ greatly by geography, “cookie cutter” plans don’t cut it. We minimize waste by 15-25% on...
Double Good is a company built on creating joy and helping others. By reimagining product-based virtual fundraising, we help expand organizations' missions by giving back 50% of every dollar sold. We make ultra-premium popcorn sold through our simple-to-use software. We've helped raise over $200 million to support organizations nationwide that tilt the playing field for all kids. Double Good is not...
Inside each of us lives a story waiting to unfold. And at Saga Education, we know every student is capable of shaping a story of success -- in school, and in life. But not every student has had a fair chance to see it. So, we’re partnering with schools across the nation, leveraging the proven power of tutoring relationships to...
BTS is a global professional services firm headquartered in Stockholm, Sweden, with over 1,200 professionals in 36 offices located on six continents. For more than 30 years, BTS has helped the world’s leading companies turn strategy into results. Together, with our clients, we create powerful experiences that have a profound and lasting impact on businesses and their people. BTS believes...
Alliant Insurance Services is among the largest and fastest-growing insurance brokerage and consulting firms in the United States. Fueled by entrepreneurialism and driven by results, Alliant operates on the belief that more is possible and expectations are meant to be exceeded. Our clients and partners have profound confidence in us to deliver in all market climates through the design and...
DAC is a leading global digital performance agency—helping marketers connect with consumers from enterprise right down to the hyper-local level since 1972. DAC is passionate about helping businesses build, maintain, and optimize their online presence—leveraging expertise in everything from paid media, SEO and content strategy, to UX, creative storytelling, reputation management and data analytics to drive performance and help our clients...
MAKING HEALTHCARE SAFER The philosophy that guides Daniels - striving to make a safer environment for everyone involved in healthcare. Daniels has operations in Australia, USA, Canada, New Zealand, UK, Europe and South Africa and is widely regarded as a leader of innovation in the medical waste space. Daniels' flagship product - the Sharpsmart collector, was launched in 1999 and is...
Daniels Health's Top Stability & Growth Strengths
Market Expansion: Expansion moves including a merger, facility additions, and emphasis on onboarding new customers point to a growing footprint and client base. Operations across six countries and a broad U.S. network reinforce reach and scale.
Innovation-Driven Growth: Clinically engineered, reusable solutions like the peer-reviewed Sharpsmart and non-incineration treatment technologies underpin product-led adoption. Emphasis on safety and sustainability aligns with evolving hospital standards and environmental priorities.
Strong Market Position & Advantage: Positioning as a prominent competitor with extensive infrastructure, high service reliability, and partnership orientation supports competitive advantage. Customer satisfaction signals such as strong NPS and delivery performance suggest durable standing with healthcare institutions.
AXIS Capital is a global leader in specialty insurance and reinsurance, providing solutions for complex and evolving risks.
A trusted partner at nearly three million customer locations, Ecolab (ECL) is the global leader in water, hygiene and infection prevention solutions and services. With annual sales of $12 billion and more than 44,000 associates, Ecolab delivers comprehensive solutions, data-driven insights and personalized service to advance food safety, maintain clean and safe environments, optimize water and energy use, and improve...
Ecolab's Top Stability & Growth Strengths
Profitability: Record sales, earnings per share, and operating margins in 2024 and 2025 indicate sustained margin improvement. Feedback suggests continued expansion is expected in 2026 supported by pricing discipline, productivity, and higher‑margin services.
Strong Market Position & Advantage: Ecolab is consistently characterized as a global leader across water, hygiene, and infection prevention with broad industry reach and high customer retention. Feedback suggests external accolades and large-scale operations reinforce a durable competitive moat.
Innovation-Driven Growth: Expansion into high-growth areas like hyperscale data centers, microelectronics, and life sciences is supported by acquisitions and digital services. Feedback suggests AI-enabled analytics, performance-based contracts, and a growing backlog are fueling future growth.
Loews Hotels & Co is an American luxury hospitality company that owns and operates hotels and resorts across the United States and Canada.
Loews Hotels & Co's Top Stability & Growth Strengths
Strong Revenue Growth: Adjusted EBITDA grew 14% to about $372 million in 2025 and increased further in early 2026, aided by higher rates and occupied room nights at Universal Orlando and a full year of Loews Arlington. Company materials also cite year-over-year revenue gains in Q1 2026.
Market Expansion: New openings in 2025 at Universal Orlando (Stella Nova, Terra Luna, Helios Grand) and the 2024 debut of Loews Arlington expanded rooms and presence in key demand nodes. Additional pipeline in Arlington (Americana) and a Pittsburgh convention hotel LOI indicate continued footprint growth.
Strategic Partnerships: The long-standing co-ownership and operating partnership with Universal Orlando anchors a leading position in on-site theme-park lodging and fueled the Epic Universe hotel expansion. Collaboration with local partners in Arlington and Pittsburgh further reinforces access to high-demand, event-driven districts.
Acrisure is a global Fintech leader that combines the best of humans and high tech to offer multiple financial products and services to millions of businesses and individual clients. We connect clients to solutions that help them protect and grow what matters, including Insurance, Reinsurance, Cyber Services, Mortgage Origination and more. Acrisure employs over 16,000 entrepreneurial colleagues in 21 countries...
At GAINS, our quest is to democratize supply chain planning. The GAINS Supply Chain Performance Optimization Platform helps businesses large and small Move Forward Faster with greater agility, resilience, confidence, and sustainability. The GAINS AI-driven cloud platform delivers continuous cost and profit optimization via machine learning, proven algorithms, and actionable analytics for global manufacturing, distribution, retail, and service parts/maintenance operations....
ACCESS Community Health Network is a community health organization serving Chicagoland through 33 convenient health center locations. It provides a full range of comprehensive, quality healthcare services to meet patients’ total health needs, both within and beyond its community health centers. ACCESS is accepting new patients and helps connect local residents with accessible care across the Chicagoland region.
The Institute of Food Technologists (IFT) is a nonprofit professional association advancing the science of food and its application across the global food system. Founded in 1939, it brings together individuals from more than 95 countries to collaborate, learn, and grow, helping transform scientific knowledge into innovative solutions that support a safe, nutritious, and sustainable food supply for people worldwide.
Gresham Smith is a team of diligent designers, creative problem-solvers, insightful planners and seasoned collaborators who work closely with clients to improve the cities and towns we call home. Our employees are diverse in experience, yet we all have one thing in common: genuine care for each other, our partners and the outcome of our work. From roadways and pathways...
Zefr is the leading data and technology company that enables responsible marketing for brands, agencies and platforms. The company leverages a patented AI and machine learning engine, called Cognition AI, to offer brands and agencies more accurate and transparent activation and measurement solutions on scaled video platforms.
Acero Schools is a Chicago-based, tuition-free public charter school network and 501(c)(3) nonprofit authorized by Chicago Public Schools. It operates elementary, high-school, and K–12 campuses serving thousands of students, with an emphasis on bilingual learners, academic empowerment, equity, community, and personalized, data-driven instruction. Its mission is to transform minds through academic empowerment and success and provide opportunities for lifelong learning.






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