David Luman is the Senior Area Manager for Columbia Pipe and Supply. He has worked in Distribution for well over 25 plus years.  David is responsible for the overall profitability of Columbia Pipe and Supply. 

Shawn Ramos is the Columbia Pipe & Supply Commercial Sales Manager. Shawn is a results-driven sales professional with over 20 years experience. Shawn started his career at Columbia Pipe in 2000 and has held a

Paul is an industry veteran with over 33 years of experience working throughout Chicagoland, always in a purchasing role. He joined the Columbia Pipe family in 2011, coming on board as Purchasing Mgr. In his current ro

Maggie Welches is the Columbia Pipe & Supply Regional Sales Manager for Chicago Metro and Northern Indiana Contractors. Maggie takes pride in collaborating with contractors to provide nothing but Service Plus Solut

Jeff Kamholz is the Director of Sales for Columbia Pipe. Jeff has been with Columbia Pipe since 2000. Prior to Columbia Pipe, he worked for Weil-McLain as a Sales Territory Manager and has been in the Boiler

Gene Stevens is the Columbia Pipe Regional Manager who coordinates service to contractors in southern Wisconsin and northeastern Illinois. He entered the industry in 1978 and has seen the business from a variety o

Mike Parker manages our contractor relationships in Northwest Illinois, which includes the Rockford location. He entered the industry in 1977 with Mott Bros. Company and joined Columbia Pipe in 1996 when Mott Bros

Scott Jensky is the Columbia Pipe Regional Manager for our locations in Appleton, WI and Wausau, WI as well as Menominee, MI. Scott has an Associate’s Degree in Instrumentation & Controls. He began his c

Bill Zuidema is the Columbia Pipe & Supply Regional Manager for Michigan’s Lower Peninsula. A 25-year industry veteran, he has managed three different regions within the state of Michigan with over

Mike is the Industrial Sales Manager for northern Illinois and southern Wisconsin. He graduated from Illinois State University in 1996 with a Bachelor of Science in Speech Communication and started with Mott