Harder Mechanical Contractors

Projects with steel erection need consistent workmanship and rigid quality control. We are committed to delivering both with the safe, high-quality steel erection projects that your sites require.

Equipment installs can be tricky, but not for the experts at Harder. That's because we deliver an end-to-end solution. We offer single-source service for every phase of the project-including demolition, concrete installation, and steel erection. Trust us to safely execute your complex equipment install. Whether you are installing, decommissioning, or relocating, we know how to get the job done-the whole job.

When you need a complex, complete piping solution you can trust, turn to Harder. We specialize in single-source solutions for piping systems that also require concrete pour, steel erection, and equipment installation.

Large-scale plumbing systems can get complicated quickly. The last thing you want is a plumbing install that holds up other trade craft. We deploy proven processes that leverage prefabrication and modularization, so you can be confident that a quality plumbing system will be installed safely.

Involving us early guarantees expert preconstruction services, collaborative problem solving, innovative ideas, and value engineering input with the design team, saving the owner both time and money. Harder Mechanical's Design Services ensures your project gets started off right. Through open and transparent communications, listening to the owners needs, and focusing on outcomes, we find the right solution for your needs while enhancing constructability, reducing project costs, and shortening overall project schedules.

When you need it all, or just something very challenging, Harder knows how to solve the problem. From seismic retrofits to boiler extractions, we safely deliver quality results.

For over eighty years, Harder Mechanical has continuously refined its processes, creating safe environments from which our skilled staff can focus on the quality craftsmanship we demand. As the needs of industry evolve, we apply our expertise to each new challenge. During World War II, the shipyards of Portland, Oregon were a vital part of the war effort. Thousands of workers migrated to the area to work at the teeming shipyards. They all needed places to live. A small local plumbing contractor founded in 1934 reinvented itself so it could quickly join the effort to build the housing for these workers.