One of two underground office parks operated by the Space Center company around Independence Missouri, the Executive Park contains offices and warehousing for about 50 tenants. Several businesses here are related to document storage and management, including the federal government, which has a National Park Service office and a Social Security records facility here. There are also manufacturers of furniture, doors, caskets, moulding, and puppetry. The facility has five million square feet of space, and covers around 160 acres.