INTERRA is certified by the following entities:
- Illinois Department of Transportation – Disadvantaged Business Enterprise (DBE)
- City of Chicago – Minority Business Enterprise (MBE)
- Wisconsin Department of Transportation – Disadvantaged Business Enterprise (DBE)
- State of Illinois CMS – Minority Business Enterprise (MBE)
![Chicago Department of Transportation](https://www.interraservices.com/wp-content/uploads/2022/08/Chicago_Department_of_Transportation_Logo.png)
![Illinois Department of Transportation](https://www.interraservices.com/wp-content/uploads/2022/08/IDOT-logo.jpg)
![Illinois Tollway](https://www.interraservices.com/wp-content/uploads/2022/08/IL-Tollway-logo.jpg)
![Wisconsin Department of Transportation](https://www.interraservices.com/wp-content/uploads/2022/08/Wisconsin-DOT-logo.png)