Ampco System Parking garage is owned and operated by ABM Industries, one of the largest facilities contractors in the U.S. This parking structure mainly serves professionals and employees of the building as well as patrons of Islands restaurant. The businesses located at this structure include real estate companies, dentists, hotel management corporate offices, telecommunications companies and collectibles stores.
The parking structure also features a car wash owned and operated by a separate company within the garage called Executive Car Wash featured on floor P4 that is mostly used by the employees of the building. Visitors can choose to valet their cars or self-park, all for the same price.