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Four Generations · Since 1922

The people steering our next century.

A family-led leadership team paired with seasoned executives — bringing decades of mechanical contracting, engineering, and finance expertise to every project we touch.

4

Family Generations

George Dunn, Jr.

Chief Executive Officer

Colin Dunn

President

Executive Leadership

John Bloom

Vice President of Service Operations

Tarek Geblaoui

Vice President – Preconstruction, Design & Process Piping

Mike Hunke

Chief Financial Officer

Steven Johnson

Senior Vice President of Construction

Continuing the Legacy

Built by family. Carried by
craft. Trusted for generations.