Evergreen Supply Company was founded in 1986 and is a woman-owned firm which provides lighting and electrical supplies to electrical contractors involved in the Chicago area's largest commercial and industrial construction projects. In addition, the company works directly with building owners and property managers to provide lighting and electrical supplies to many of Chicago's largest buildings and institutions. Housed in a 40,000-square-foot warehouse, Evergreen Supply offers more than 450 product lines and carries $2 million worth of inventory at any given time. Among the company's clients are Millennium Park, McCormick Place, O'Hare International Airport, and several downtown Chicago highrise buildings owned by The John Buck Company and Tishman Speyer. Evergreen Supply still provides lighting and lighting supplies to its first client, The Museum of Science & Industry.