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Top Tech Companies in Chicago, IL (7,852)

Domtar
Consumer Web • Greentech
20 Offices
5,000 Employees
33 Benefits

Domtar makes products that people around the world rely on every day. We design, manufacture, market and distribute a wide variety of fiber-based products including communication, specialty and packaging papers, market pulp and airlaid nonwovens. With approximately 6,000 employees serving more than 50 countries around the world, Domtar is driven by a commitment to turn sustainable wood fiber into useful...

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Domtar
RenoRun
eCommerce • Software
6 Offices
297 Employees
12 Benefits

RenoRun is a leading e-commerce platform for construction and building materials that are disrupting the construction industry. We enable construction, contracting, and renovation professionals to build the world around us using technology. RenoRun was born in 2017 with the insight that contractors and their employees spend too much time away from their job sites procuring materials. Before building out the...

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RenoRun
Mallinckrodt Pharmaceuticals
Healthtech • Pharmaceutical • Manufacturing
14 Offices
3,383 Employees
12 Benefits

At Mallinckrodt, we use strategic vision and employee-driven momentum to pursue a powerful mission: Listening for needs and delivering solutions. As a leader in specialty pharmaceuticals, we develop, manufacture, market and distribute innovative treatments for underserved patient populations within neurology, rheumatology, hepatology, nephrology, pulmonology, ophthalmology, and oncology; immunotherapy and neonatal respiratory critical care therapies; analgesics; cultured skin substitutes and gastrointestinal...

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Mallinckrodt Pharmaceuticals
BlankRome
Legal Tech
13 Offices
1,702 Employees
23 Benefits

Blank Rome is an Am Law 100 firm with 16 offices and 800 attorneys and principals who provide comprehensive legal and advocacy services to clients operating in the United States and around the world. Our professionals have built a reputation for their leading knowledge and experience across a spectrum of industries and are recognized for their commitment to pro bono...

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BlankRome

BlankRome's Top Stability & Growth Strengths

Strong Revenue Growth: Recent results indicate double-digit increases in gross revenue and net income through 2024, with leadership highlighting sustained profit gains since 2019. This points to durable financial momentum across multiple years.

Market Expansion: The platform opened a Boston office in 2024 with a 25-lawyer team and continued selective lateral hiring into 2025, adding depth in corporate, finance, M&A, tax, litigation, and cannabis. These moves evidence targeted geographic and sector growth.

Strong Market Position & Advantage: The firm is viewed as a national leader in maritime/shipping, policyholder-side insurance recovery, and government contracts, earning top or near-top directory recognition including a 2025 “Law Firm of the Year” in Admiralty & Maritime. This niche strength underpins competitive positioning despite not seeking across-the-board dominance.

HouseFacts
Real Estate • Software
Chicago
5 Employees
5 Benefits

At HouseFacts, we're building the ultimate AI-powered home management assistant. Our mission is to revolutionize how homeowners interact with and manage their properties through intelligent software that simplifies every aspect of home ownership and property management. Our platform seamlessly integrates financial tracking, maintenance management, comprehensive inventory tracking, and contact organization into one intuitive interface. What sets us apart is our...

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HouseFacts

HouseFacts's Top Stability & Growth Strengths

Innovation-Driven Growth: The platform emphasizes AI-enabled capabilities such as a “magic inbox,” automated email/inspection parsing, and maintenance planning, with a public launch on December 4, 2025 and active feature and pricing pages. Ongoing product activity across web and planned mobile apps indicates continued iteration on a modern home‑management feature set.

Future-Ready Strategy: Positioning as a “digital assistant for homeowners” with automation across documents, maintenance, inventory, and finances aligns with digitizing an analog process. Clear self‑serve pricing, a 30‑day trial, and multiple active domains/policies updated in 2025 suggest a structured go‑to‑market.

Investor Backing & Capital Strength: The parent entity recorded a pre‑seed round in July 2024, supporting its build‑to‑launch transition through 2025. Public materials cite the pre‑seed and a small initial team moving toward commercialization.

Wondersign
eCommerce • Information Technology • Retail • Software
3 Offices
28 Employees
13 Benefits

Wondersign® Helps Retailers Stay Competitive! Wondersign is a software company headquartered in Tampa, Florida with offices in California, Illinois and Switzerland. Wondersign develops and maintains “Catalog Kiosk”, the leading catalog data syndication platform for in-store kiosks and tablets, that enable retailers to display an extended aisle of products, no matter the size of their showroom. Powerful integrations allow retailers to directly...

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Wondersign
Ubiety Technologies, Inc
Artificial Intelligence • Internet of Things • Machine Learning • Security • Software
Chicago
23 Employees
27 Benefits
Revolutionizing home security with AI-powered presence detection and intelligent, always-on awareness.

Ubiety is the creator of HomeAware, an AI-powered mobile application that delivers real-time presence insights during alarm events and beyond, so you always know who’s home when it matters most. Our platform provides meaningful, contextual notifications that prioritize awareness over reaction, helping families feel safer without the burden of unnecessary emergency calls or intrusive surveillance. With the introduction of HomeAware and...

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Ubiety Technologies, Inc

Ubiety Technologies, Inc's Top Stability & Growth Strengths

Investor Backing & Capital Strength: The company completed a $10 million Series A-1 round, bringing total funding to about $20.5 million and citing a $90 million valuation with proceeds dedicated to product, AI, and go-to-market expansion. These signals indicate strong investor confidence and provide resources to accelerate development and market reach.

Strategic Partnerships: Announced collaborations include Brinks Home, Rapid Response Monitoring, KEYTH Security, Evolution Digital, and an integration with Ivani’s sensify technology. Partners highlight alignment with Ubiety’s capabilities and are beginning rollouts that open distribution into security and ISP channels.

Innovation-Driven Growth: New offerings such as Ubiety Halo and the plug-and-play Halo Connect, plus the first commercial combination of RF activity sensing with AI-based presence verification, show an active product cadence. The roadmap emphasizes advancing a proprietary AI engine and privacy-centric presence verification to differentiate in the smart home security market.

Chicago Public Schools
Chicago
38,000 Employees
33 Benefits

Chicago Public Schools is looking for teachers, leaders, and non-instructional staff to transform the face of urban education. We are a team of passionate, committed, and talented professionals who believe that every CPS student will graduate prepared for success in college, career, and life. Come join us in making CPS a model for public school districts throughout the nation. CPS...

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Chicago Public Schools
Predikt
Big Data • HR Tech
Chicago

Predikt analyzes candidate profiles and quantitatively predicts the potential fit for specific job positions. It also aggregates and analyzes relevant data from social web (linkedin, github etc). Employers can quickly screen their applicants and view relevant information. Brochure (http://bit.ly/predrecsol2). Demo (www.predikt.co)

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Predikt
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Bright Pink
Chicago

Bright Pink is the only national non-profit focused on the prevention and early detection of breast and ovarian cancer in young women, while providing support for high-risk individuals. Our mission is to save women’s lives from breast and ovarian cancer by empowering them to live proactively at a young age. We work to educate and equip the 52 million young...

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Bright Pink
DocOnDemand
Software
Skokie

DocOnDemand delivers enterprise-wide telemedicine services for health systems, using a unique approach that goes well beyond existing vendors' services.   We are a software company. We license a comprehensive, fully compliant telemedicine platform that integrates advances in webcam and mobile technology with a comprehensive suite of clinical and business management tools.   We help you to serve new markets and create new businesses. We provide you...

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DocOnDemand
Heart & Vascular Partners
Healthtech • Professional Services
Deerfield
90 Employees

Heart & Vascular Partners (HVP) is a management services organization partnering with independent cardiology, vascular surgery, and interventional radiology practices across the United States. It supports physician autonomy while helping practices grow and expand cardiovascular care. HVP provides revenue-cycle, human-resources, IT, payer-contracting, and other administrative services, plus capital and expertise for physician recruitment, service-line growth, and development and management of...

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Heart & Vascular Partners
Carver Peterson Consulting
Chicago
1 Employees

What We Do:Carver Peterson Consulting helps you identify, attract, develop and retain the top customers and internal talent in your marketplace. Our results-based programs will drive revenue and maximize profitability through improved efficiencies, performance and engagement. In a nutshell, we help you reach your full-potential.How We Do It:We start by learning about your business, strategy and culture.  Understanding where you...

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Carver Peterson Consulting
Acumence
Software
Chicago
4 Employees

Acumence business intelligence platform enables companies to monitor and analyze manufacturing operations in order to easily measure and improve performance.

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Acumence
ADDA
HR Tech • Consulting
Chicago
17 Employees

ADDA is a consulting firm that offers HR, Payroll, Benefits Administration, and Talent solutions. Our Consulting Services help HR departments complete complex, specialized projects like implementing pay transparency or overseeing HCM software implementations. Meanwhile, our Managed Services provide the administrative and strategic support of a full HR, Payroll, Talent, or Benefits department. These approaches were tailor-made to address a problem that...

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ADDA
The Cary Company
Logistics • Retail • Industrial • Manufacturing
7 Offices
240 Employees
Hiring Now

The Cary Company is an Illinois-based industry leader specializing in containers and packaging, industrial filtration, spill control, facility and shipping products for businesses. Trusted since 1895, they provide a wide range of glass, plastic, and metal containers and closures, as well as secondary services including designing, labeling, logistics, sourcing, and warehousing to serve both industrial and consumer markets.

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The Cary Company
EduProtect
Security • Software
Chicago
4 Employees

EduProtect is a life alert system for a younger generation. We created wireless key fobs that send your gps location and personal profile direct to emergency dispatch. In the event you cannot dial 911 for help, this remote can save your life. 

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EduProtect
GRO Community
Other • Professional Services • Social Impact
3 Offices

GRO Community is a Chicago-based nonprofit delivering culturally grounded, trauma-informed mental health and social services for boys and men of color (ages 5+), focusing on Black and Brown communities and low-income families. Operating in Chicago and additional cities, GRO provides therapeutic care, workforce supports, training, and employment programs to reduce youth unemployment and improve wellbeing through community-centered, evidence-informed interventions.

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GRO Community
Schluter Systems L.P.
Industrial • Manufacturing
11 Offices
1,141 Employees

Schluter-Systems develops and manufactures innovative systems for ceramic and stone tile installation. Its product portfolio includes profiles, waterproofing and uncoupling systems, drainage solutions, floor-warming membranes, shower systems, prefabricated substrates, tools, and setting materials. The family-owned company serves distributors, dealers, tile contractors, architects, and other construction professionals, with operations across North America and Europe, while emphasizing tested, reliable products that extend...

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Schluter Systems L.P.
American Airlines
Aerospace • Travel
14 Offices
60,794 Employees
40 Benefits

We’re hiring thousands of new team members in 2022. Will you be one of them? Here at American Airlines, we care for people on life’s journey — whether that’s connecting customers to the people and places they love or providing our team members development and leadership opportunities to build new skills and explore their potential. With more than 1,300 aircraft in our...

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American Airlines

American Airlines's Top Stability & Growth Strengths

Strong Market Position & Advantage: Scale and network breadth position American among the largest U.S. carriers by seats and fleet, with extensive hub coverage and alliance connectivity. Disclosures highlight leadership in key hubs and Latin America alongside broad global reach through oneworld.

Customer Loyalty & Retention: Management describes AAdvantage as the largest U.S. airline loyalty program and reports record enrollments after an expanded co‑brand deal. Offering free high‑speed Wi‑Fi for members in 2026 is intended to deepen engagement and stickiness.

Market Expansion: The carrier is adding routes, seats, and aircraft into 2026, including new U.S. and international routes and larger schedules at key hubs. Capacity and schedule rebanking are being used to thicken frequencies and extend reach.

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