INNOVATIVE ENGINEERS INC. (IEI) is a leading consultant for mechanical and electrical engineering design services based in Iowa. Our firm also offers Sustainability and Energy related exterpise such as Commissioning, energy modeling, Renewable energy, LEED consulting and geothermal design. IEI offers engineering services to Architects, Developers, Corporations, Institutions and Government Departments. Our portfolio includes a variety of Commercial, Residential, Mixed-use, Healthcare, Institutional, Retail, Industrial and Religious Facilities.