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Top Tech Companies in Chicago, IL (7,767)

FNBC Bank & Trust
Financial Services
La Grange
67 Employees

FNBC Bank & Trust is a community bank with long standing connections to the communities which we serve. With over $500 million in assets, our banking offices provide a full range of personal and commercial deposit, loan, and trust services. Striving for superior customer service, FNBC offers a complete array of financial services with solutions for all financial needs in...

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FNBC Bank & Trust
Janus Health
Artificial Intelligence • Healthtech • Software
Chicago
52 Employees
14 Benefits

Janus Health is changing the way the healthcare revenue cycle functions. Billions of dollars are left uncollected due to poor processes and inconsistent human decision making. Janus studies end-user behavior within the revenue cycle and determines the optimal path for each process. Real-time predictive recommendations are made to human workers to guide them on the next best action to perform...

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Janus Health
Safe Haven Security Services, LLC.
Internet of Things • Professional Services • Security
70 Offices
1,109 Employees
Hiring Now

Safe Haven Security Services, LLC is a prominent ADT-authorized dealer and security provider founded in 1999. The company specializes in residential security systems, monitoring solutions, and home automation, positioning itself as a national leader in the industry. With headquarters in North Kansas City, MO, and over 100 office locations, it provides comprehensive security and alarm services to homeowners and businesses...

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Safe Haven Security Services, LLC.
Connamara Systems
Fintech • Software
Chicago
17 Employees
12 Benefits

Connamara provides softwares engineering services to the capital markets. Point: we are engineers not developers or consultants. We were agile before agile was a thing. Our clients include the biggest names in capital markets and trading. We are a co-creator of QuickFIX, an open source FIX engine first released in 2001.

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Connamara Systems
The Reynolds and Reynolds Company
13 Offices
3,860 Employees
27 Benefits

Founded in Dayton, Ohio in 1866, Reynolds and Reynolds is a leading provider of automobile dealership software, services, and forms to help dealerships deliver better results and transform the customer experience. Reynolds and Reynolds is headquartered in Dayton, Ohio, with major U.S. operations in Houston and College Station, Texas, Celina, Ohio, and Tampa, Florida, as well as operations in Canada,...

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The Reynolds and Reynolds Company
Consilio LLC
Legal Tech
7 Offices
1,750 Employees
6 Benefits Hiring Now

Consilio is a global leader in eDiscovery, document review, risk management, and legal consulting services. The company supports multinational law firms and corporations using innovative software, cost-effective managed services and deep legal and regulatory industry expertise. Consilio has extensive experience in litigation, HSR second requests, internal and regulatory investigations, eDiscovery, document review, information governance, compliance risk assessments, cybersecurity, law department...

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Consilio LLC

Consilio LLC's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent rankings place Consilio among the top national providers (e.g., USA–Nationwide eDiscovery Band 2), and industry coverage frequently features the firm among visible innovators and finalists. This indicates strong brand presence and competitive stature even if not the single top-ranked provider in that rubric.

Market Expansion: The company materially expanded through combinations and acquisitions—Xact Data Discovery (2021), Legility (2022), LOD/SYKE (2023), and TrueLaw (2025)—broadening global reach and service breadth. These moves increased capacity across managed review, flexible legal talent, and European/APAC presence.

Innovation-Driven Growth: Consilio continues to roll out AI-enabled capabilities (e.g., Complete AI/Aurora, Guided AI PrivDetect) and added new modules in 2026, signaling sustained product investment. Strategic tech steps position the firm to capture AI-led efficiencies in eDiscovery and investigations.

liftUPlift
eCommerce
Chicago
10 Employees

liftUPlift is two companies, a for-profit and a nonprofit, and we make Women Power. Our for-profit, liftUPlift.com, is a multivendor e-commerce marketplace, like Etsy, except exclusively for women makers and women-owned businesses. We make it easy for anyone (especially women) to shop from women for everything from nontoxic soap to wearable technology. By harnessing women's enormous spending power, we intend to...

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liftUPlift
Social Integration
Social Media • Software
Chicago
30 Employees

Social Integration is a single-point solution that helps brands create, monitor and manage their social media presence and online reputation. The comprehensive solution caters specifically to businesses with a corporate entity and multiple retail locations.Social Integration provides corporate-to-retail brands with:Social media managementOnline reputation managementSocial advertising expertiseContent syndication

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Social Integration
Neon One
Information Technology • Social Impact • Software
Chicago
175 Employees
36 Benefits
We’re here to help social good organizations change the world.

Neon One was founded with the mission of becoming the most comprehensive and authentic end-to-end technology ecosystem dedicated to empowering mission-driven organizations. We pioneer solutions for fundraising, community building, and program operations that power the future of philanthropy. The team has worked with more than 40,000 nonprofits over the last several decades—bringing an unparalleled level of industry knowledge and expertise...

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Neon One
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SBA Communications
13 Offices
1,771 Employees
39 Benefits Hiring Now

SBA Communications Corporation is a leading independent owner and operator of wireless communications infrastructure including towers, buildings, rooftops, distributed antenna systems (DAS) and small cells. With a portfolio of high-quality and exclusive communications sites throughout the Americas and Africa, SBA is listed on NASDAQ under the symbol SBAC. SBA is part of the S&P 500 Index and is one of...

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SBA Communications

SBA Communications's Top Stability & Growth Strengths

Strong Market Position & Advantage: Industry coverage consistently groups SBA with American Tower and Crown Castle as part of the U.S. tower REIT oligopoly, and the company reports substantial scale across the Americas. Feedback suggests this top‑tier standing underpins leadership domestically with a growing international footprint.

Market Expansion: The portfolio has expanded via large acquisitions and new builds (notably multi‑tranche Millicom sites), moving the global site count into the mid‑40,000s with additional sites closed after quarter‑end. Feedback suggests an elevated build‑to‑suit program and ongoing M&A support continued footprint growth.

Healthy Cash Flow: Tower economics are characterized as high‑margin with tower cash‑flow and adjusted EBITDA margins among sector leaders. Long‑term, escalator‑based leases alongside dividend raises and share repurchases indicate durable recurring cash generation.

Ogilvy
Agency • Marketing Tech
28 Offices
11,000 Employees
25 Benefits

Ogilvy has been creating impact for brands through iconic, culture-changing, value-driving ideas since the company was founded by David Ogilvy 75 years ago. We build on that rich legacy through Borderless Creativity – innovating at the intersections of its advertising, public relations, relationship design, consulting, and health capabilities with experts collaborating seamlessly across over 120 offices in nearly 90 countries....

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Ogilvy

Ogilvy's Top Stability & Growth Strengths

Strong Market Position & Advantage: Ogilvy is positioned as a top-tier global agency network with significant scale, operating across many countries and competing in the highest tier of global advertising and marketing services. Leadership signals are reinforced through repeated top placements in major industry league tables for creativity and effectiveness.

Strong Brand Reputation: Ogilvy is consistently described as award-winning and known for creative excellence, strategic thinking, and data-driven marketing, supporting a durable premium reputation in the sector. Multiple “Network of the Year” and similar recognitions are cited as ongoing proof of brand strength.

Future-Ready Strategy: The company is described as pivoting toward digital services, data-driven marketing, customer experience, and AI-enabled modernization to match shifting client demand. This repositioning broadens relevance beyond traditional advertising and supports resilience amid industry change.

Yanfeng
Automotive • Manufacturing
17 Offices

Yanfeng is a leading global automotive supplier focusing on interior, exterior, seating, cockpit electronics, and passive safety, and is exploring new business.

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Yanfeng
SpringCM
Enterprise Web
Chicago
140 Employees

SpringCM delivers an innovative document management and workflow platform that powers the leading contract lifecycle management application. SpringCM serves over 600 clients globally and is led by a seasoned team of entrepreneurs that have built other successful companies. SpringCM has raised more than $45M in growth capital from leading VC’s.

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SpringCM
GoCivic
Other
Chicago

GoCivic Chicago is an intuitive technology-based platform that provides citizens with an opportunity to further engage in the future of our city. The platform helps individuals identify ways to get involved with various nonprofits and charities, government organizations, committees, neighborhood coalitions, civic/social groups and special projects.

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GoCivic
Alfa Laval
Industrial
12 Offices
13,646 Employees
4 Benefits

Pioneering positive impact! Our pioneering 140-year-old start-up culture is built on the idea that partnership is the key to solving complex problems and unlocking the full potential of resources. So we collaborate closely with our partners, customers, and thought leaders to create game-changing solutions that challenge conventional thinking on quality, efficiency, and innovation. United by a shared commitment to creating positive...

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Alfa Laval

Alfa Laval's Top Stability & Growth Strengths

Strong Market Position & Advantage: Company and third‑party sources consistently describe Alfa Laval as a top‑tier, often leading supplier in plate heat exchangers, centrifugal separators and key marine systems, reinforced by a large installed base and global service reach. This entrenched position supports durable share across cycles.

Profitability: Recent disclosures show rising adjusted EBITA and margin improvements through 2025 and into early 2026, even as currency effects weighed on reported growth. This indicates margin resilience amid mixed market conditions.

Resilient & Sustainable Growth: Full‑year 2024 and 2025 reported higher sales with ongoing organic momentum into Q1 2026, and management points to growing demand tied to decarbonization and a scaling service business. Records in orders and invoicing and guidance for slightly higher near‑term demand support a steady growth path.

alliantgroup
Professional Services • Consulting • Financial Services
5 Offices
830 Employees
28 Benefits

alliantgroup, LP is the leading international tax specialty services provider, working with CPA firms and their clients to ensure companies receive the full benefit of federal and state tax incentives to create jobs and spurring innovation. No other firm has alliantgroup's combination of talent, resources, and experience to substantiate business claims. We hear time and again from our clients how...

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alliantgroup
Hunt Club
HR Tech • Professional Services
Chicago
65 Employees
11 Benefits Hiring Now
Hunt Club is a new category of search firm that leverages the power of relationships and technology.

Hunt Club is a new category of search firm that leverages the power of relationships and technology.

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Hunt Club
Totus
Fintech • Software • Financial Services
2 Offices
64 Employees
Hiring Now

Totus helps consumer-obsessed brands grow their revenue through gift cards—whether they already have a program or are starting one for the first time. We take on every complexity, from issuance, to distribution, to customer support.

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Totus
Big Red Rooster Flow
Northfield

Big Red Rooster Flow is a process management company with resources and technology dedicated specifically to helping Retailers manage their customer-facing image and brand.  To do this, we leverage a combination of “efficient” systems with in-house customer service and brand management specialists.We plan, manage and implement brand projects and programs on any scale, from a single site to a multi-national network.Watch...

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Big Red Rooster Flow
Muros
Agency
Chicago
10 Employees
25 Benefits
We're a global art activation agency authentically connecting brands with their audiences through art and culture.

Muros pushes boundaries in the advertising and experiential marketing space through art and culture. Together we create unique environments, experiences and campaigns. Whether through murals, art installations or events, we bring people together, push boundaries and create impact rooted in artistic expression. Our goal is to get more art seen, give artists of all mediums new platforms to showcase their...

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Muros

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