Interstates Engineering celebrates its five-year anniversary

Company specializes in designing electrical systems for industrial clients

This year, Sioux City, Iowa-based Interstates Engineering is celebrating its five-year anniversary. In 1999 the company separated from Interstates Electric and Engineering and became an independent business partner. The company performs design/build work with other companies in the corporation as well as stand-alone work for contractors, owners, general contractors, and other engineering firms.