Chances are you're familiar with the work of T.J. Dyer. As one of the region's leading mechanical contracting companies trusted for HVAC, plumbing, design build, engineering, fabrication, and maintenance services, our craftsmanship can be found in Cincinnati, Lexington, Dayton, and many other cities and towns in our region. It’s time now to get to know the skilled team behind major structures like The Great American Ball Park, The Freedom Center, Paul Brown Stadium, The Cintas Center, the Cincinnati Children's Research Center, the Cincinnati Convention Center, and many more.

We're celebrating 100 years of quality craftsmanship and the dedicated workers who make our customers' visions a reality.

Contact Dyer for your next Design-Assist, IPD, Plan and Spec,
or other project.

Latest News
RPC Mechanical Services
RPC Mechanical Services Business Unit is purchased by the T. J. Dyer Company

Featured Project
Great American Insurance Building at Queen City Square
Cincinnati, Ohio