Our On-line Access

ATC provides our clients with account access 24/7 via the internet. 






The site is fully secure and hosted on-site, protected by a firewall and 64 bit encryption.

 

ATC prides itself on our state-of-the art technology, including our award winning business process management software, Megethos3.

South Dakota Trust Administration Office

Argonne Trust Company, Inc.

4418 S. Technology Drive

Sioux Falls, SD 57106

 

Phone

(605) 274-3336

 

E-mail

Info@ArgonneTrust.com

Or use our contact form.

 

Business Hours

9-5 CST

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