Merit Mechanical is a WBE Certified mechanical contractor with more than ten years of experience serving the St. Louis area. Specializing in mechanical and HVAC piping installation we pride ourselves on our quality execution and flawless safety record. Our top priority is to deliver cost-effective quality craftsmanship while meeting imperative schedule deadlines.

The management team is led by Courtney Plunkett with an MBA, Bachelor’s degree in Marketing and experience in collaborating with local startups as well as large corporations to achieve fiscal success. Joining Courtney are Dan Dempster and a team that brings more than 50 years of experience in the mechanical contracting industry. Dan is proud to be a fourth-generation member of the Pipefitters Union. He was raised to understand the importance of every aspect of the business from estimating to project management through completion. With their combined experience Courtney and Dan lead a team that provides exceptional value to our customers.

Courtney Plunkett


Dan Dempster

Senior Vice President

Tim Ellison

Director of Field Operations