Building Community

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

Permian Lide Tank & Vessel Manufacturing
Permian Tank

Our People

Jerry Frank
33 years

Safety

April 21, 2014 / Safety Management Group

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

April 21, 2014 / OSHA

Every year, thousands of workers become sick from exposure to heat, and some even...

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October 14, 2014

Creekside Apartments, Spearfish, SD

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October 07, 2014

Our crew is working hard for TSP, Inc. in Rapid City. Soon they will have a new look to their...

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September 25, 2014

Working Hard...Safety First!

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August 07, 2014

We are honored to be part of this significant project for Regional Health and the Spearfish...

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