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  1. Business Entity Search - ilsos.gov

    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 …

  2. List of companies in the Chicago metropolitan area - Wikipedia

    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 …

  3. 76 Companies in Chicago Pushing the City to New Heights

    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 …

  4. COMPANY | English meaning - Cambridge Dictionary

    COMPANY definition: 1. an organization that sells goods or services in order to make money: 2. the fact of being with…. Learn more.

  5. Fortune 500 and Fortune 1000 Companies in Chicago

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

  6. Learn About 40 Companies Headquartered in Chicago - Indeed

    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 …

  7. COMPANY Definition & Meaning - Merriam-Webster

    The meaning of COMPANY is association with another : fellowship. How to use company in a sentence.

  8. 100 Top Companies in Chicago · February 2026 | F6S

    Feb 2, 2026 · We're tracking Bally's Chicago, Sibel Health and 1,270 more companies in Chicago from the F6S community. Chicago is the 18th most popular location globally to start a company or startup …

  9. Biggest Companies in Chicago, Illinois for Feb 2026

    4 days ago · Research the largest companies in Chicago, Illinois by market cap for Feb 2026. 100% free, 20 years of data!

  10. Company Definition & Meaning | Britannica Dictionary

    If you are in good company or have plenty of company, you are in the same situation or have the same problem or opinion as many other people. Do you know now what you will do when you retire? If not, …