Hello, Thank you for using this service. I wish to introduce myself. I am a Research Librarian with 20+ years of experience.
I decided on my research to look at customer rankings from organizations such as J.D. Power who rank the best in terms of customer satisfaction. For natural gas suppliers in the midwest, they gave high grades to:
MidAmerican Energy ranks highest among large utilities in the Midwest region, followed by We Energies and DTE Energy, respectively.
Among midsize utilities in the region, Citizens Gas ranks highest, followed by Metropolitan Utilities District and Alliant Energy, respectively.
I understand you have looked at rates but here is a comparison chart of all suppliers with their pricing
so you could get a better feel for what the prices would be if you signed up with a particular company: