We're a community bank driven by strong values and a dedication to the places where we live and work.

First Interstate Bank offers a comprehensive suite of personal and business products to take care of your diverse financial needs. Whether you’re a first-time home buyer looking for a mortgage, an established business looking to streamline your payment methods, or someone who is ready to plan your financial future, our local banking experts will help you reach your goals.

BankWest is a locally-owned, community bank with a 129-year history of exceptional customer service. BankWest has branches in Pierre, Rapid City, Mitchell, Gregory, Kadoka, Kennebec, Onida, Selby, Winner, Armour, Tripp, Delmont and Geddes. Contact our friendly staff for all of your banking, insurance, trust and brokerage needs.

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Sentinel Federal Credit Union has been guarding and protecting the financial well-being of our members since 1955. As a community Credit Union, many of us were born and raised in the communities that we serve. Because of that, we make our decisions right here at the Credit Union. Some places have local branches. We have local roots. We give you the one-on-one, first name, friendly service that you deserve.

 Our goal is to make your life easier by offering a variety of convenient products and services that meet your financial needs. Stop by one of our seven convenient locations in Ellsworth, Box Elder, Rapid City, Hill City, Custer and Winner, S.D. You are eligible for membership at Sentinel Federal Credit Union if you live, work, worship, or go to school in, or are a business or other legal entity located in the following South Dakota counties: Pennington, Lawrence, Meade, Custer, Lyman, Todd, Tripp, Gregory and Mellette.