News & Events

Art Auchenbach,Tom Rainier, and Augie Koloras become owners of Riordan Materials Corp.

We are pleased to announce that Art Auchenbach, Tom Rainier and Augie Koloras will be assuming ownership of Riordan Materials Corporation effective July 1, 2016.  Carl will be serving as President for the three years while mentoring them and continuing to promote and sell in the territory.  After that, he will serve as a Sales … Read more

Tom Schell Retiring after 34 Years with Riordan

Tom Schell will be retiring effective June 30th, 2016 and will be surely missed for his active participation in Riordan Materials Corporation. We all wish Tom the best of times in his well earned retirement!