Disciplined Growth Investors
 Disciplined Growth Investors Inc. (or DGI) is a SEC-registered independent asset management firm founded in February 1997 by Fred Martin in Minneapolis Minnesota. Its headquarters are located on the 25th floor of the Fifth Street Towers in downtown Minneapolis.In 2009 DGI had 145 clients. This included private individuals as well as institutions.Disciplined Growth Investors offers two equity portfolios to its clients: small-cap and mid-cap growth portfolios.