 An active high-technology sector is represented today by Alliant Techsystems, Ceridian, Cray, Digi International, Digital River, Geek Squad, Hutchinson Technology, Imation, IBM Rochester, Lawson Software, MacSoft, Medtronic, MTS Systems, St. Jude Medical, Stratasys, SPS Commerce, 3M, and more than 400 .The following table lists the Minnesota-based non-profit organizations among the largest 400 in the U.S. by 2006 private donations.The following table lists the privately held companies headquartered in Minnesota with 2007 revenues over $1 billion.