John Kramer Executive Director P.O. Box 588 Yankton, South Dakota 57078 Phone : 888-926-5866 Toll-free : N/A Fax : N/A Email : ecodev@YanktonSD.com Website : N/A About Articles DocumentsLocation Articles SD: TruXedo Inc. Approved for Two Grants to Add 40,000 Sq Ft & 18 JobsNews Apr 17, 2015Expansion and job training expenses for manufacturer of tonneau covers & truck accessories to be partially funded by SD Jobs grant. SD: L&M Radiator Breaks Ground on Yankton OperationNews Oct 27, 2010Thanks to expansion of L&M Radiator, more than 50 new jobs are coming to Yankton, South Dakota, Gov. Mike Rounds announced recently. The manufactur... Content not available. Content not available.