Rapid City Materials & Chemicals Company

The strong foundation Knust Masonry is built on provides us the means of staying a few steps ahead of the competition every time. We value too much our team and our customers and this way, we manage to be one of the most appreciated companies in the Materials & Chemicals

Petroleum Environmental Technologies, Inc is a company specialized in Materials & Chemicals Chemicals and Chemical Preparations, NEC.
We are working continually to improve the quality of our products/services. We always put the interest of our customers on the first place