Illinois is located centrally in the country, making it easily accessible by air, land, and even waterway transportation. Chicago O’Hare International Airport, located in the heart of the state, handles over 80 million passengers annually. Additionally, the interstate highway system connects the state to all major cities in the Midwest, making it an ideal location for businesses looking to serve a large customer base. The Ohio, Missouri, and Mississippi Rivers form the state’s south, west, and southeast borders, and Lake Michigan shapes the northeast.