Meet Our Team

Management Team

John Hartman


Tara Hartman

Vice President

Mark Erb

Service Manager

Amanda Hartman

Administrative Assistant


Gary Zent

Journeyman Plumber

David Knappenberger

Journeyman Plumber

Matthew Wagoner

Journeyman Plumber

John Simkins

Journeyman Plumber

Michael Crabbs

Journeyman Plumber

David Mason

Journeyman Plumber

John Phillips

Journeyman Plumber

Nicholas Fowler

Plumbing Apprentice

Antonio Gaytan

Plumbing Apprentice

Joshua Boyanowski

Plumbing Apprentice

Mark Zern


Parts Store

Chad Love

Parts Manager

Robert Johnson

Parts Manager

James Sowers


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The plumber arrived promptly and told us what the issue was and that it did not necessarily need to be replaced and discussed our options. We own a dog, and we had the technician close the door to the basement while he worked and knock on the door if he needed to come up to get equipment from his truck so we could take the dog outside - he was very pleasant about this. When he was finished he explained everything to us. Whenever we use North Side we have good service and they never try to sell us something we don’t need.

S. S. W.

Fort Wayne, IN