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The Greater Des Moines Partnership’s Directory includes contact information and maps for all Regional Chamber Members in Greater Des Moines (DSM) — more than 6,400 local businesses! To search by business category, select the links below the search bar. To search by business name, select “0–9” for business names that begin with a number or “A–Z” for businesses listed in alphabetical order.

Additionally, The Partnership relies on Investors to support its mission as the economic and community development organization serving Greater Des Moines (DSM). 

For more information about The Partnership, its Investors, Affiliate Chambers of Commerce and Chamber Members, visit the following pages: 

Alliant Energy

1111 Pinder Ave
Grinnell, IA 50112
(800) 255-4268
  • About

    Alliant Energy's mission is to deliver the energy solutions and exceptional service customers and communities count on – safely, efficiently and responsibly. Our investments in Iowa are helping advance clean energy, grow the state’s economy and provide customers with more resources to manage their energy use. Along with these investments, we are working every day to reduce costs to our customers and the communities we serve. We are proud to be in Newton to provide service to you and surrounding towns and businesses