The Greater Oak Brook community was designed to promote and support local commerce so that citizens would enjoy a strong and stable economy - and an exceptional quality of life. As such, elected officials and residents continue to understand and support area business needs and work hard to maintain a positive business climate for local companies that represent a wide range of economic sectors.

Today, Greater Oak Brook continues to be the most prestigious business center in the Chicagoland region, with approximately 2,000 professional companies located within a five- mile radius. Some of the largest corporations in the world are headquartered in Oak Brook and Oakbrook Terrace.

Some of the largest companies in these communities are

McDonald’s Corporation (retail food)
Elkay Manufacturing Corporation water cooler manufacturer)
SIRVA (relocation)
Ferrara Candy Company (retail food)
Hub Group (transportation)
Inland Real Estate Group (commercial real estate)
Ace Hardware Corporation retail hardware, tools)
Joint Commission (health care accreditation)
Crowe Horwath (accounting)
Illinois Municipal Retirement Fund
Tomy Corporation (toy manufacturer)
Redbox Corporation (video rental)
Lions Clubs International (nonprofit)
Oak Brook Marriott (hospitality)
Blistex Corporation (retail consumer products)