Top Tech Companies in Chicago, IL (4,915)

Although Komatsu started marketing its products in the 1960’s in the United States, our North American operations were established in 1970 with a fresh vision for the industry. Our goal was to become more than just a supplier of superior construction equipment. We made a commitment to become a trusted partner that could provide ongoing support to every customer. Today,...

Shepard Schwartz & Harris is a leading accounting, tax, and advisory firm in Chicago. Our clients value our comprehensive worldview while enjoying the benefit of local expertise and relationships. Direct access to the firm’s leaders distinguishes us as we bring our expertise directly to our clients without the bureaucracy inherent in larger firms.

AE Marketing Group helps executives and entrepreneurs ensure their brand is aligned across the entire organization. This results in improved sales and marketing performance, stronger customer experiences, a more engaged workforce, and can identify consumers’ unmet needs to improve loyalty, product development, & revenue.

rf IDEAS began in 1995 as an early pioneer of proximity-based authentication and identification solutions. Today, we continue to lead the way with an innovative portfolio of credential readers that are compatible with nearly every proximity, contactless smartcard and, now, mobile credential available on the market. We’re your go-to authority for access control, partnering with leading technology companies to provide authentication,...

Ryan Specialty Group (RSG) is an international specialty insurance organization that provides innovative solutions for brokers, agents and insurance carriers. The RSG family includes a wholesale brokerage operation, RT Specialty (RT), and a collection of managing general underwriting companies within RSG Underwriting Managers (RSGUM).

Blackbird Garage is a digital growth agency that specializes in customer acquisition on Facebook, Pinterest and Google Adwords. We like to work with great people who have great products.

Kalipr is the premier digital marketing partner for healthcare organizations.

Concord is a technology consultancy building connected customer experiences backed by powerful AI & analytics and underpinned by secure IT foundations. Digital Experience | Data & Analytics | Engineering & Applications

Vast Capital, LLC, a newly established consulting firm, specializes in providing a comprehensive array of services to its affiliated entities in the gaming, cannabis, real estate, and hospitality industries.

Lab-quality analysis of pharmaceuticals with a smart handheld. Know if a sample is genuine or counterfeit in 3 seconds, not 3 weeks.

Fundamental changes in the energy industry require, more than ever, the right choice of an energy supplier partner. Eligo Energy offers competitive products, innovative solutions and technology applications that will power the growth of your energy business. Eligo Energy is a leading retail electricity supplier based in Chicago. Eligo partners with preferred brokers and affiliates throughout the country. Our leadership in...

Interviewing tool providing instant transcription for your recordings, with key parts highlighted.

Premium dog walking and sitting services – book on demand or schedule in advance, 24/7x365. Passionately serving dogs and their owners in metro Chicago since 2013. 

BLUE1647 is an award-winning network of education & technology innovation platforms that foster economic development in technology and 21st Century skills through people development (classes, workshops, and events around technology), & workforce development (through youth and adult technology programs to prepare individuals for high-demand jobs)

Healthation enables healthcare payers and administrators to future-proof their organizations with a flexible, rules-based core administrative system. This is configured to meet current and future industry challenges with an innovative, next-generation architecture that comprehensively improves business performance. Products are available via SaaS in either an ASP or client-hosted environment and include the industry's only open-source, co-development payer system built to administer...

Tgthr Collective is a growth and impact partner for purpose-driven businesses. We're passionate about building a radically better future. We partner with purpose-driven businesses to accelerate their growth while maximizing impact.

Winsby is a business development firm in Chicago, providing sales and marketing services to companies since 2003. Our clients are manufacturers, distributors, service providers, and retailers.

dxcare.com brings a secure + mobile social media platform to healthcare organizations, allowing them to create communities to connect patients, caregivers and families across the continuum of care to effectively engage the caregiver during the episode of care.dxcare.com delivers a true care team solution, utilizing the Web and smartphones, providing all the clinical care team members and appropriate family caregivers...

CFSI leads financial services innovators in building better consumer products and practices that will better meet the needs of consumers, especially those who are struggling. CFSI is a fast-paced, entrepreneurial and highly collaborative environment seeking people who share our values of innovation, passion, excellence, impact and directness.

Digiteon is a full-service digital agency specializing in eCommerce development and data-driven marketing. We build and optimize Shopify, Magento, Webflow, and headless-commerce solutions—ensuring fast, SEO-friendly sites that drive conversions. Our team also manages ROI-focused paid campaigns (Google, Meta, TikTok) and comprehensive SEO strategies, blending technical expertise with transparent communication to help brands grow online.