HomeInvestment advisorsNational Investment Services, Inc. National Investment Services, Inc. Investment advisors National Investment Services, Inc. 777 East Wisconsin Avenue Milwaukee 53202 USA See route Phone: 414-765-1980 E-mail: info@nisi.net Website: http://www.nisi.net Related Posts Investors Capital Management, Inc. Patten & Patten, Inc. Waddell & Associates, Inc.