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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

2800 1st Ave E
Newton, IA 50208
(800) 255-4268
(641) 791-3250 (fax)
  • About

    We are proud to be a midwest energy company that provides electric and natural gas services to our customers and communities throughout Iowa, Wisconsin and Minnesota.

    Alliant Energy traces its roots back nearly 100 years and we continue to deliver the energy and exceptional service that our customers and communities count on safely, efficiently and responsibly.