Illinois Top Companies List by Market Cap as of August 2026

CNA FINANCIAL CORPORATION is Insurance company with headquarters is in Illinois, USA.

Real investment trust company with headquarters is in USA.

As on 2022, EQUITY LIFESTYLE PROPERTIES has more than 500 employees.

EQUITY LIFESTYLE PROPERTIES annual revenue generated for period ending Dec-2022 was 1,431 million USD.

EQUITY LIFESTYLE PROPERTIES annual net income generated for period ending Dec-2022 was 284 million USD.

Total Assets as on Dec-2022 was 5,492 Million USD.

Electronics and electrical products manufacturing company. Headquarters is in Illinois, USA.

Wintrust is a Financial Service company. The headquarters is in USA.

Old Republic International Corporation is quality Insurance sector company. The headquarters is in USA.

AptarGroup is a Packing, Plastic products and Drug Delivery company. They manufacture plastic products needed for industries like pharmaceutical, beauty, food and beverage, personal care and home, device innovations, E-commerce capable, digital healthcare solutions, sustainable solutions and product technologies. The headquarters is in USA.

First Industrial Realty Trust is a Commercial Real Estate Investment Trust company. It's buildings have been home to a range of World Top Companies to small commercial firms. The company is having local experts manage, lease, buy, develop and sell bulk and regional distribution centers and other logistics properties that are essential to your operations. Headquarters is in USA.

Paylocity is a Technology, Software and IT company. The company products are payroll, workforce management, human resources, talent, benefits, engagement, data insights, mobile and integrations. The services are provide to the company which are working in the services of financial services, healthcare, manufacturing, nonprofit and education, restaurants and hospitality, retail and wholesale, technology and professional services and transportation and logistics. The headquarters is in USA.

Univar Solutions is a distributor of Chemistry and Related Products and Services company. The headquarters is in USA.

Univar Solutions Inc. (NYSE: UNVR) acquired by Apollo (NYSE: APO) at an enterprise value of approximately 8.1 billion USD in 2023.

MORNINGSTAR is Investments related research software company. Headquarters is in Illinois, USA.