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345 Industrial Drive  

Spearfish, SD 57783

Phone: 605-642-4716,  Fax: 605-642-7887

JamesBenning@AinsworthBenning.com

Ainsworth-Benning Construction, Inc. has served Western South Dakota, Eastern Wyoming and Northern Nebraska for 55 years.  The company operated initially as Ainsworth Builders until 1974 when Jim Benning purchased the business.  At that time, the company became know by its current name.

 

The company, with its home office in Spearfish, SD, employs a crew of 65-150 workers depending on the season, offering 401k, vacation and paid health/dental insurance to all full-time employees.

 

Ainsworth-Benning is involved in construction of commercial and industrial buildings, as well as the heavy highway and land development industries throughout the Black Hills region of SD, WY and NE.

 

Completing projects from $5,000 to over $10,000,000, the company has an exemplary record of completing projects on time, within budget and to the satisfaction of owners.