Home Builders Association of the Sioux Empire The Home Builders Association of the Sioux Empire (Sioux Falls area) is a trade association made up of home-building industry companies. The Home Builders Association represents members who are affiliated with the building and remodeling industry in the Sioux Empire area. Located in Sioux Falls, SD we provide the most current information related to issues facing our industry and community, and work to enhance business opportunities and a competitive edge for our members.