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Ainsworth-Benning is a premier commercial general contractor serving South Dakota, Wyoming, North Dakota, Montana and Nebraska for over 55 years. Our company’s greatest assets are our clients and our people. Without both, we would not exist.

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Our Clients

City of Spearfish, SD
Creekside Elementary

Our People

Leigh Moser
35 years

Safety

February 25, 2015 / Amann, J. (2013, February). Create a Winning Safety Program. Professional Safety, 23.

​ A business can respond to occupational risks in a more timely and efficient...

April 21, 2014 / Safety Management Group

As energy efficiency, the desire to reduce “greenhouse gases,” and a growing concern...

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March 08, 2015

Ainsworth-Benning Construction is very proud to be a part of this project!

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March 03, 2015

Ainsworth-Benning Construction, Inc. would like to congratulate our Safety Manager, Chris Nelson,...

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January 30, 2015

Have a great weekend! Here are a few pictures of the projects we are building in North Dakota:...

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December 19, 2014

Ainsworth-Benning Construction employee Christmas party - Good food and a great group of people!...

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