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Top Tech Companies in Chicago, IL (7,772)

RETTEW
Professional Services • Transportation • Consulting • Utilities
11 Offices
321 Employees

RETTEW is a 100% employee-owned engineering consulting firm founded in 1969. They provide integrated, multidisciplinary solutions across various sectors, including transportation, water, utilities, renewable energy, and government infrastructure. With over 300 professionals and a national presence, the firm specializes in civil, geotechnical, and environmental engineering, focusing on creating innovative, safe, and efficient infrastructure to enhance communities and improve quality of...

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RETTEW
Easterseals Washington
Chicago
3,761 Employees

Easterseals is leading the way to full equity, inclusion, and access through life-changing disability and community services. For more than 100 years, we have worked tirelessly with our partners to enhance quality of life and expand local access to healthcare, education, and employment opportunities. And we won’t rest until every one of us is valued, respected, and accepted. Through our national network...

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Easterseals Washington
AlphaGrep
Financial Services • Quantitative Trading
12 Offices
330 Employees
3 Benefits

Founded in 2010, AlphaGrep is a quantitative trading and investment firm. We research and develop algorithmic trading strategies using advanced mathematical and statistical techniques, and trade them across all asset classes on over 30 exchanges globally. AlphaGrep comprises leading global market makers and is amongst the top market participants by volume on several exchanges and products. Coding, mathematics and statistics...

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AlphaGrep
Fiscal Fin
Fintech
Chicago

Financial Guidance. Simplified.Disrupting the way individual investors find financial advisors. Allowing users to search, screen and hire the best professional based on their preferences.

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Fiscal Fin
DeskLabs
Co-Working Space or Incubator
Chicago
3 Employees

We're a coworking community and event space in Lakeview, encouraging creativity, passion & collaboration. If you're interested in becoming a DeskLabs member, please fill out our Request Form. If you have some other fancy idea up your sleeve, email [email protected]. 

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DeskLabs
Squaregles
eCommerce • Kids + Family
Chicago
5 Employees
1 Benefits
We believe in empowering every child to get lost in play for lifelong growth.

We’re an innovative, private-equity backed toy company located north of Chicago and launching in 2020. We’ve developed a deep patent portfolio, including patents in the U.S. and abroad. We’re now poised to disrupt several toy-industry segments. We’re an expert, highly analytical and creative team. Our staff and partners are like family.

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Squaregles
Saputo Inc.
24 Offices
10,001 Employees
13 Benefits

Saputo produces, markets, and distributes a wide array of dairy products of the utmost quality, including cheese, fluid milk, extended shelf-life milk and cream products, cultured products, and dairy ingredients. Saputo is one of the top ten dairy processors in the world, a leading cheese manufacturer and fluid milk and cream processor in Canada, the top dairy processor in Australia,...

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Saputo Inc.
C2 Creative
Chicago
6 Employees

We work with brave clients to craft strategies and design meaningful brand experiences. We want to be the best creative team you’ve ever worked with.

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C2 Creative
Aristo Partners
Enterprise Web • Fintech
Chicago

Aristo Partners is a Micro-VC started in 2012 by three former McKinsey consultants with the sole purpose to provide a friendlier, more entrepreneur aligned financing model, which also allows investors to get returns near-term on the basis of quarterly yields.Deigned to solve the capital crisis between seed and Series A investments for start-up entrepreneurs and or continue help fueling growth...

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Aristo Partners
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SC Johnson
Consumer Web
32 Offices
12,652 Employees
44 Benefits

We’re SC Johnson, a family company at work for a better world™. We are a leading manufacturer of household cleaning products and products for home storage, air care, pest control, shoe care and professional products. SC Johnson’s high-quality products and iconic brands include OFF!®, Raid®, Glade®, Windex®, Scrubbing Bubbles®, Ziploc®, Mrs. Meyer’s® Clean Day, method®, Autan®, Baygon®, Mr Muscle®, Duck®,...

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SC Johnson

SC Johnson's Top Stability & Growth Strengths

Strong Market Position & Advantage: SC Johnson is consistently identified among the key global players across household cleaning, air care, pest control, and home storage, supported by a broad portfolio of well-known brands. Category-specific leadership signals include Glade being positioned among top air-care brands and Ziploc being described as the most-used storage bag brand in the U.S.

Market Expansion: The company is described as investing in emerging markets, including a new facility in Nairobi, and is expected to see Asia as a key region for growth through 2027. Facility investments such as the Brantford plant expansion are positioned as capacity increases that support ongoing demand and geographic growth.

Resilient & Sustainable Growth: Revenue is presented as stable at a large base with expectations of low-single-digit growth, supported by ongoing investments in R&D, acquisitions, and operational build-out. Its category mix in everyday household staples and a long-term orientation as a family-owned private company are framed as supporting durability over cycles.

George J. Priester Aviation
Aerospace • Transportation • Travel
Wheeling
125 Employees
Hiring Now

George J. Priester Aviation is a private aviation services group specializing in aircraft management and global charter services. It brings together Priester Aviation, Mayo Aviation, and Hill Private Aviation, combining regional expertise with broader resources. The company supports owner-managed and client-focused flight departments through aircraft management, charter, maintenance, and flight-operations solutions across the United States and internationally, emphasizing safety and...

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George J. Priester Aviation
RelaDyne LLC
Automotive
66 Offices
675 Employees
26 Benefits

RelaDyne, headquartered in Cincinnati, OH, combines many years of expertise with our valued associates to serve more than 10,000 clients in the automotive, commercial and industrial industries. We strive to deliver valuable, dependable service and effective solutions as a trusted partner to our customers. Our core business, focused on lubrication excellence, is accomplished through offering unmatched products and services in which...

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RelaDyne LLC

RelaDyne LLC's Top Stability & Growth Strengths

Strong Market Position & Advantage: The company is widely cited as the nation’s largest lubricant distributor with leadership across lubricants, fuels/DEF, and industrial reliability services. Its standing in a fragmented market and industry recognition signal durable competitive advantages with large industrial and commercial clients.

Market Expansion: Feedback suggests sustained geographic growth to 190+ locations driven by an active acquisition program, including multiple deals in 2025–2026 that extend coverage across the West Coast, Midwest, and Northeast. The relocation of headquarters to Houston is framed as supporting additional scale, job growth, and proximity to key partners.

Investor Backing & Capital Strength: Private‑equity ownership and portfolio materials describing multibillion‑dollar scale indicate resources to continue organic expansion and M&A. This backing is repeatedly linked to momentum for further acquisitions and network densification.

VAULT Innovation
Agency • Angel or VC Firm • Software • Consulting
Chicago
25 Employees
6 Benefits
We take new digital products to market and optimize existing businesses with software innovation.

We’re a venture studio designed for companies wanting to build high-impact software. We’ve successfully helped launch 60+ digital products for companies. We explore markets where deep subject matter expertise is required to produce the purpose-driven products and software we build. We’ve been honing our approach to tackle such challenges since 2012.

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VAULT Innovation
Southeast Ventura County YMCA
Fitness • Kids + Family • Professional Services • Social Impact
31 Offices
55 Employees

The Southeast Ventura County YMCA builds relationships, impacts lives, and strengthens the community through youth development, healthy living, and social responsibility.

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Southeast Ventura County YMCA
uni-ball Corporation
eCommerce • Other

uni-ball delivers high-quality writing instruments for consumers worldwide. Our vision is clear: to deliver unique solutions that enrich the lives of consumers by inspiring creativity and connection.

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uni-ball Corporation
Edge Logistics
Logistics • Sales • Transportation
Chicago
120 Employees
26 Benefits
We deliver superior transportation management solutions to our customers through efficiency, technology and innovation.

Our Mission is Simple! Edge delivers superior transportation management solutions to our customers through efficiency, technology, and innovation. Edge has an unmatched history of data and analytics through its CAPACITY platform that utilizes proprietary algorithms to improve data research. Our employees understand the value and importance of leveraging these strengths in a competitive transportation market and promote a strong working...

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Edge Logistics
Arcalea
Marketing Tech • Consulting
Chicago
18 Employees
30 Benefits

Arcalea is a privately held consultancy focused on data science and marketing. We specialize in the strategic analysis and application of marketing analytics. Culture, quality, and team are of the highest importance to all of us. We blend a proprietary methodology of quantitative analysis to reveal unique industry insights for our clients. In both 2019 and 2020, Arcalea was named to...

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Arcalea
mozaic.io
Fintech • Payments • Software • Financial Services
2 Offices
28 Employees

Mozaic.io is a global payment platform for multi-party payouts. Based in Chicago and Nashville, Mozaic is the world's only split payments API providing smart contracts that automates split income among creative teams on any project, anywhere. It's Mozaic's mission to make compensation as equally distributed as talent is.

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mozaic.io
Abbott
Healthtech
38 Offices
97,838 Employees
45 Benefits Hiring Now

Abbott is a global healthcare leader that helps people live more fully at all stages of life. Our portfolio of life-changing technologies spans the spectrum of healthcare, with leading businesses and products in diagnostics, medical devices, nutritionals and branded generic medicines. Our 109,000 colleagues serve people in more than 160 countries.

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Abbott

Abbott's Top Stability & Growth Strengths

Strong Revenue Growth: Q2 2026 sales increased 13% reported (4.8% comparable), and management reaffirmed 6.5%–7.5% comparable sales growth while lifting full‑year EPS guidance. Multi‑segment contribution from Medical Devices and Diagnostics underpins a mid‑single‑digit organic growth trajectory.

Strong Market Position & Advantage: Leadership across CGM (FreeStyle Libre), structural heart TEER (MitraClip/TriClip), and core lab diagnostics supports top‑tier scale in medtech. The March 23, 2026 addition of Exact Sciences’ oncology screening and diagnostics further strengthens competitive positioning.

Diversified Revenue Streams: A broad mix across Devices, Diagnostics, Nutrition, and Established Pharmaceuticals reduces single‑category risk, with recurring models like Alinity’s instrument‑reagent base driving stickiness. Expansion into oncology diagnostics post‑acquisition adds another distinct growth engine.

Tidal Commerce (tidalcommerce.ca)
eCommerce • Information Technology • Software
Oak Brook
50 Employees

Tidal Commerce is an outcome-focused eCommerce engineering firm helping merchants build and manage their digital store infrastructure, optimize customer experience, and convert traffic to sales more efficiently. In just two years of operation, our client list, headcount, technology partners and revenues have grown. While we have achieved this success, our competitors are also achieving similar success by doing the same thing. A rising...

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Tidal Commerce (tidalcommerce.ca)

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