Putting Down Roots In Sioux Falls

In our first year in business, Argonne Trust Company purchased the historical Episcopal church in Dell Rapids.  This setting was a wonderful launching pad for our newly built building in Sioux Falls.  With our expanded space, we are better equipped to administer our growing business.


Argonne Trust Company has put down its roots in South Dakota, so come by and visit.


South Dakota Trust Administration Office

Argonne Trust Company, Inc.

4418 S. Technology Drive

Sioux Falls, SD 57106



(605) 274-3336




Or use our contact form.


Business Hours

9-5 CST

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