About Us
Our Company
IES inc. was formed in Illinois in the mid 1990s as an environmental consulting company that provided air permitting services for cement plants. In 2001, IES inc. expanded and has provided environmental consulting services for oil and natural gas companies, primarily in the air quality area.
Today, IES inc. has employees in four states (California, Illinois, Iowa, and Wisconsin) and provides consulting services to individual companies and industry groups across the United States and Canada.