South Dakota Auction Guide - Searchable calendar listings of auctions sales bills for real estate, farm, auto, antiques, construction, and industrial. - http://www.southdakotaauctionguide.com
Black Hills Virtual Mall - Directory of businesses organized by category. - http://mall.blackhills.net/
South Dakota Beef Industry Council - Free educational materials, recipes, nutrition information, activities, things for kids, free materials and gift shop, and contact information. - http://www.sdbeef.org/
South Dakota Rural Enterprise, Inc. - A statewide organization committed to securing more capital for South Dakota's revolving loan funds; provides training, technical assistance and networking for economic development corporations. - http://www.sdrei.org/