Economy

DuPage County is the primary location of the Illinois Technology and Research Corridor. It is home to many large corporations, including:

Ace Hardware (Oak Brook) Arthur J. Gallagher & Co. (Itasca) (Fortune 1000) BP (formerly British Petroleum) (Warrenville) DeVry Inc. (Oakbrook Terrace) (NYSE) Dover Corporation (Downers Grove) (Fortune 500) Eby-Brown (Naperville) Hub Group (Downers Grove) (Fortune 1000) McDonald's Corporation (Oak Brook) (Fortune 500) Molex (Lisle) (Fortune 1000) Nalco Holding Company (Naperville) (Fortune 1000) Namco Cybertainment (Bensenville) Navistar International (Warrenville) (Fortune Global 500) Nicor (Naperville) (Fortune 1000) OfficeMax (Naperville) (Fortune 500) Sara Lee Corporation (Downers Grove) (Fortune 500) SIRVA (Westmont) (Fortune 1000) Tellabs (Naperville) (Fortune 1000) Ty Warner (Beanie Babies) (Westmont)

Shopping malls in DuPage County include Oakbrook Center, which is the largest open air mall in the nation, Westfield Fox Valley, Yorktown Center, Town Square Wheaton, and Stratford Square Mall. In addition, many of DuPage County's towns have prosperous and quaint downtown areas, especially in Naperville, Glen Ellyn, Wheaton, Downers Grove and Hinsdale, which are mixed with boutiques, upscale chain stores and restaurants.

National Laboratories Aerial view of the Tevatron particle accelerator at the Fermilab site.

Fermilab, which has the world's second-highest-energy particle accelerator in the world, is in Batavia, where it straddles the border between Kane and DuPage counties. Argonne National Laboratory, one of the United States government's oldest and largest science and engineering research laboratories, is in unincorporated, southeast DuPage County. Both laboratories conduct tours of their facilities.