Pages in this category should be moved to subcategories where applicable. This category may require frequent maintenance to avoid becoming too large. It should directly contain very few, if any, pages and should mainly contain subcategories.
This category is for categories within which are placed articles about organizations based in the U.S. city of Chicago. These organizations, which may or may not be legal, include voluntary associations, 501(c) non-profit organizations, commercial and services companies (either for-profit or non-profit), social and religious organizations, and so on.