Jennerjohn and Holthaus, Inc. is a blast hole drilling contracting company that was acquired in 2005 from Ron and Willard Holthaus. The company is located in Decorah, Iowa and been in existence since the 1960's. They have done work in Iowa, Minnesota, Wisconsin, Wyoming, Missouri, and Illinois. Operations are managed by Tyler Bruening.
Bruening Rock Products
Read our policies on how we're committed to staying safe with COVID-19.
Designed and Hosted By