This is a list of companies in the Chicago metropolitan area. The Chicago metropolitan area – also known as "Chicagoland" – is the metropolitan area associated with the city of Chicago, Illinois, and …

Information on state and government officials, updated every 2 years. The Department of Business Services database includes information on the following types of business entities: Corporations, Not …

Jan 2, 2026 · See the full list of Fortune 500 and Fortune 1000 companies headquartered in Chicago, Illinois.

Dec 2, 2025 · Summary: Chicago’s tech ecosystem is thriving, with major players like Grubhub, Morningstar and Caterpillar helping position the city as a hub for innovation. From food delivery to …

Corp and LLC Certificate of Good Standing allows you to search for information regarding corporations, not-for-profit corporations, limited partnerships, limited liability companies and limited liability …

Apr 1, 2026 · We're tracking LanzaJet, Letter AI and 1,201 more companies in Chicago from the F6S community. Chicago is the 18th most popular location globally to start a company or startup and …

Jul 26, 2018 · Looking for great companies HQ in your city? I have curated and organized links to Glassdoor, a popular platform for conducting research on potential employers. I recommend using …

Dec 10, 2025 · Choosing Chicago as the city for a company's headquarters may help companies expand their workforce. If you live in the Chicago area, you might consider working at one of these …

Built In’s Best Large Companies to Work for in Chicago, IL list algorithmically ranks large tech companies with the best employee benefits and salary in 2025.

Breaking news and in-depth reporting on Chicago business, politics, real estate and health care from Crain’s Chicago Business.