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

BizCastHQ
AdTech • Digital Media
Chicago
10 Employees

Behind every great company is a great story. We’re interviewing the leaders who make things happen as we capture the trends that matter. BizCastHQ cuts through the noise and clutter with engaging, journalistic-style videos that position our client companies as thought leaders in their industries.

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BizCastHQ
Payroc
Fintech
16 Offices
29 Benefits

Payroc drives commerce for businesses with any time, anywhere payment solutions. We serve our clients with integrity as trusted advisors and recognized experts in payments. We provide transparent pricing clarity and prioritize developing personal relationships, while delivering exceptional integrated payment technology. Payroc is a privately held full-service payment processor founded in 2003, servicing over 30,000 clients and processing over $10 billion...

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Payroc

Payroc's Top Stability & Growth Strengths

Strong Revenue Growth: Evidence indicates processing volume and client counts have risen alongside continued acquisitions and new partnerships, pointing to expanding top-line scale. Directional figures cited (e.g., ~$90B–$125B+ volume and ~150k–190k+ merchants) and an active product cadence support sustained momentum.

Market Expansion: Observations include acquisitions like BlueSnap and PayiQ and new bank/credit‑union partnerships, broadening geographic reach and distribution channels. Added orchestration and cross‑border tools indicate movement toward more global coverage beyond North America.

Product Line Growth: The BlueSnap and PayiQ deals, along with ongoing product updates (orchestration, AR automation, tokenization, intelligent routing, device and platform enhancements), materially expand capability breadth. This positions the platform closer to enterprise‑leaning, full‑stack offerings for ISVs and omnichannel merchants.

NewRoot Learning Institute
Professional Services • Social Impact
Chicago

NewRoot Learning Institute is a national social impact organization dedicated to improving the experiences of young people by equipping educators, school leaders, and families with restorative and social-emotional learning (SEL) practices. Through training, coaching, and whole-school approaches, they foster environments of belonging and trust, strengthen teacher-student relationships, and create safe, connected, and responsive learning communities to transform school culture.

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NewRoot Learning Institute
Graybar
Logistics • Energy
25 Offices
6,941 Employees
38 Benefits Hiring Now

Graybar, a Fortune 500 corporation and one of the largest employee-owned companies in North America, is a leader in the distribution of high quality electrical, communications and data networking products, and specializes in related supply chain management and logistics services. Through its network of 290 North American distribution facilities, it stocks and sells products from thousands of manufacturers, helping its...

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Graybar

Graybar's Top Stability & Growth Strengths

Strong Market Position & Advantage: Industry rankings, Fortune 500 placement, and a nationwide footprint of 350+ facilities consistently position Graybar as a top‑tier, often top‑three, North American electrical/data distributor. Feedback suggests this scale and deep supplier relationships help it win large construction, utility, and data center programs.

Strong Revenue Growth: Record net sales in 2024 ($11.6B) and 2025 ($12.9B, up 10.6% YoY) with double‑digit Q1 2026 sales growth indicate accelerating top‑line momentum. Feedback suggests profitability also rebounded in 2025–2026 after a 2024 dip tied to strategic investments.

Future-Ready Strategy: Investments in SAP S/4HANA (Graybar Connect), new STAR distribution centers, and targeted acquisitions expand capacity and capabilities in high‑demand sectors like data centers, automation, electrification, and connectivity. Feedback suggests these initiatives enhance operational readiness and support sustained market expansion.

Player's Health
Healthtech • Kids + Family
Chicago
8 Employees

Player’s Health is the first universal health management and compliance application for youth athletes.  Our HIPAA compliant mobile application provides athletic programs with players' essential medical information and streamlines the injury reporting process in an easy to use digital platform. Coaches, trainers, parents and athletic directors can monitor the health and progression of an injured player.  Parents are instantly notified...

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Player's Health
Grant Thornton Stax
Professional Services • Analytics • Business Intelligence • Consulting
5 Offices
300 Employees

Grant Thornton Stax is a global strategy consulting firm specializing in commercial due diligence, value creation, and exit planning for private equity firms, PE-backed companies, hedge funds, and investment banks. Serving a broad range of industries including healthcare, software, and industrials, the firm provides data-driven, actionable insights designed to drive growth, enhance profits, increase value, and help clients make better...

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Grant Thornton Stax
Norfolk Southern Corporation
21 Offices
10,001 Employees
32 Benefits

Norfolk Southern Corporation (NYSE: NSC) is one of the nation’s premier transportation companies. Its Norfolk Southern Railway Company subsidiary operates approximately 19,500 route miles in 22 states and the District of Columbia, serves every major container port in the eastern United States, and provides efficient connections to other rail carriers. Norfolk Southern operates the most extensive intermodal network in the...

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Norfolk Southern Corporation
Griffon Ventures
AdTech • Enterprise Web
Chicago

Griffon Ventures is a Chicago-based venture capital firm that provides seed capital, expert marketing guidance, extensive brand & retail contacts and ad agency services to early-stage startups in the Midwest.Given our team's deep brand, digital and retail marketing experience, we concentrate our investments in the three areas where our expertise and resources can most effectively be put to work: ad...

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Griffon Ventures
Element Materials Technology
23 Offices
5,744 Employees
26 Benefits Hiring Now

The Element Materials Technology Group is one of the world’s leading global providers of testing, inspection, and certification services for a diverse range of products, materials, and technologies in advanced industrial supply chains where failure in use is not an option. Headquartered in London, UK, Element’s c.9,000 scientists, engineers, and technologists, work across a global network of over 270+ locations,...

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Element Materials Technology

Element Materials Technology's Top Stability & Growth Strengths

Strong Market Position & Advantage: Element is positioned as a leader in aerospace and materials/product-qualification testing, underpinned by one of the industry’s highest counts of Nadcap-accredited labs and extensive OEM approvals. Its 270+ labs, 8,300+ technical staff, and broad accreditations across safety‑critical sectors reinforce scale and credibility.

Market Expansion: The network has expanded from 200+ labs and ~7,000 staff in 2022 to 270+ labs and 8,300+ colleagues, complemented by acquisitions such as NTS (2022), ISS (2024), CTK/NCT (2023), and CETECOM (2025). New recognitions (e.g., UK NRTL for U.S. hazardous locations) and capability investments in hydrogen, nuclear, and fire testing broaden addressable markets.

Innovation-Driven Growth: Recent initiatives like blockchain‑verified test reports and expanded connected‑tech/EMC capabilities indicate ongoing digital and technical productization. Added accreditations (e.g., FDA ASCA) and OEM program wins signal traction in higher‑value, regulated niches.

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iDatam
Information Technology
2 Offices
15 Employees
US Based Dedicated Servers Hosting Company

iDatam provides dedicated server hosting with a 100% uptime guarantee for the network and immediate access. Its bare-metal technology expertise makes website hosting, application development, and server customization simple.

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iDatam

iDatam's Top Stability & Growth Strengths

Market Expansion: iDatam is scaling its global infrastructure and localized capacity across North America, Europe, Asia, Africa, and other regions, with an advertised 118 locations and a network described as increasing in capacity. Recent location-focused content and infrastructure announcements further indicate ongoing geographic build-out.

Future-Ready Strategy: Offerings align with demand for edge computing, AI processing, and compute-heavy workloads, including GPU servers, high-bandwidth connectivity, and enterprise-grade protections. This suggests positioning for emerging performance-sensitive use cases across a broad footprint.

Diversified Customer Base: The company is described as serving small businesses, mid-market firms, and large enterprises via DCaaS and HaaS models. This reach across segments indicates applicability to varied customer needs.

Paycom
HR Tech • Software
54 Offices
5,770 Employees
43 Benefits

We create technology that simplifies life for employees and helps our clients succeed.

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Paycom

Paycom's Top Stability & Growth Strengths

Strong Revenue Growth: Feedback suggests revenue continues to rise at a high-single-digit pace, with quarterly increases around 9%–10% and full-year guidance indicating continued expansion.

Profitability: Profit margins and operating cash flows are considered robust, supported by efficiency initiatives and automation that bolster overall financial health.

Strong Market Position & Advantage: Longevity in HCM, S&P 500 inclusion, and product innovations like employee-driven payroll reinforce a solid competitive standing in the U.S. market.

UrbanStat, Inc.
Chicago
10 Employees
18 Benefits

UrbanStat is a real-time predictive analytics system that meshes catastrophic modeling with machine learning to keep insurers within their risk appetite while maximizing their profits. An early innovator in the industry which has multiple insurers as clients using our products & services in their core processes everyday.

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UrbanStat, Inc.
Interstate Companies Inc
Automotive • Transportation • Industrial • Manufacturing
32 Offices
1,400 Employees

Interstate Companies, Inc. is an industrial distributor, assembler, truck dealer, and maintenance and repair provider serving customers in mining, energy production, construction, trucking, manufacturing, and other time-sensitive industries. Founded as Interstate-GM Diesel, the company has expanded its offerings to include engines, transmissions, parts, equipment, service, training, industrial labor, and contract assembly through multiple operating divisions across the Midwest and Rocky...

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Interstate Companies Inc
Gilead Sciences
17 Offices
14,337 Employees
47 Benefits Hiring Now

The way we see it, the impossible is not impossible. It’s simply what hasn’t been achieved yet. For more than 30 years, we’ve pursued it, chased it down, tackled it for answers and surrounded it for a way in. We have worked tirelessly to bring forward medicines for life-threatening diseases. Creating Possible drives everything we do. It’s evident in our...

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Gilead Sciences

Gilead Sciences's Top Stability & Growth Strengths

Strong Market Position & Advantage: The company is a leader in HIV and maintains a top position in CAR‑T (Yescarta) while building a credible oncology footprint. Leadership is reinforced by durable HIV demand across treatment and prevention, with new lenacapavir offerings extending the franchise.

Resilient & Sustainable Growth: Recent results show modest headline growth with stronger momentum in the core base business and management guiding to continued base‑business expansion in 2026. COVID normalization and CAR‑T competition moderate the pace, but HIV and liver disease strength provide steady underpinning.

Future-Ready Strategy: The pipeline advances lenacapavir‑based regimens and multiple oncology programs, with near‑term launches and read‑throughs that can support growth beyond 2026. Prevention initiatives and oncology scaling are positioned as key execution pillars for medium‑term expansion.

Prestige Career Consultants
Oakbrook Terrace
5 Employees

Prestige Career Consultants is a full-service, contingency and retained executive search firm, whose advisors have been supporting the recruiting needs of major corporations, midsized companies and startup firms throughout the United States for over a decade. We are unique in that we sit down with each client, go over their hiring needs and determine whether or not we can help....

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Prestige Career Consultants
Ogury
AdTech • Marketing Tech
7 Offices
578 Employees
16 Benefits

Ogury, the global leader in personified advertising, has created a breakthrough advertising engine that delivers targeting based on personas rather than users’ identities, and on the destinations where these personas consume content — instead of the individual users themselves. Advertisers working with Ogury benefit from fully visible impactful ads, future-proof targeting and unwavering protection. Publishers enjoy the rewards of a...

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Ogury
Wheaton Academy
West Chicago
95 Employees
Hiring Now

Wheaton Academy is a top-ranked, private, co-educational Christian high school located in West Chicago, Illinois. Established in 1853, its mission is to nurture growth in students through relationships, excellence, and service to the glory of God. The school provides a rigorous college-preparatory curriculum grounded in a Biblical worldview, serving students in grades 9-12 to prepare them for future academic and...

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Wheaton Academy
LeafyQuick
Cannabis • eCommerce • Logistics • On-Demand
Chicago
2 Employees
LeafyQuick is the Amazon of CBD Products, helping brands and consumers get the product need quickly!

LeafyQuick is the first and only same day CBD Delivery platform. Consumers can shop via an eCommerce platform a curated set of CBD products and have them delivered to their door. Brands work with LeafyQuick for all their fulfillment and last mile logistics services.

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LeafyQuick
Saint Viator High School
Arlington Heights
128 Employees
Hiring Now

Saint Viator High School is a Catholic, college-preparatory community of learning called to provide religious formation and an academic program of excellence to young men and women. Its vision is to be recognized as a Catholic, college preparatory high school where tradition and innovation meet, preparing students to think creatively and solve problems using professional business skills.

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Saint Viator High School
Impact Networking, LLC
Cloud • Information Technology • Consulting • Cybersecurity
17 Offices
902 Employees
30 Benefits

Founded in 1999, Impact is one of the fastest-growing managed services providers in the nation, employing over 900+ industry experts at 23 locations across the US. Beginning as a hardware dealer in an increasingly stagnant industry, Impact expanded into the business process optimization sector, helping businesses to reduce redundant, manual processes with intelligent automation. Today, Impact specializes in the conception,...

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Impact Networking, LLC

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