Champaign is a city in Champaign County, Illinois, United States. The city is located south of Chicago, west of Indianapolis, Indiana, and northeast of St. Louis, Missouri. Champaign is notable for sharing the campus of the University of Illinois at Urbana-Champaign with its sister city of Urbana. Champaign is also the home of Parkland College which serves about 18,000 students during the academic year. Due to the university and a number of well known technology startup companies, it is often referred to as the hub, or a significant landmark, of the Silicon Prairie. Champaign houses offices for Abbott, Archer Daniels Midland (ADM), Caterpillar, Deere & Company, Dow Chemical Company, IBM, State Farm, and Science Applications International Corporation (SAIC), all of which are Fortune 500 companies, and for Sony.