Building Community

Ainsworth-Benning is a premier commercial general contractor serving South Dakota, Wyoming, North Dakota, Montana and Nebraska for over 65 years. Our company’s greatest assets are our clients and our people. Without both, we would not exist.

Health Care


Company History


Everyone goes home safely, every single night.
As a true builder, planning for safety really is the most important thing we do every day. More than anything, we want to ensure that our workers and subsequent occupants of the building...READ MORE

Our Clients

West River Health Services
West River Health Services

Our People

Jay Routh