Since 1957, Mechanical Construction Company has been a trusted leader in construction services across Ohio and the surrounding region, delivering projects with the highest standards of quality, safety, and integrity. Founded in Chillicothe, Ohio, and proudly headquartered in Portsmouth, Ohio since 1988, we remain a family-owned business dedicated to building long-lasting partnerships with clients throughout Southern Ohio and beyond.

From our early years providing plumbing and HVAC services for grocery stores and retail centers across Chillicothe, Portsmouth, and the Tri-State area, we’ve grown into a diversified construction company serving industrial, institutional, state, and federal facilities. Our experienced workforce is highly trained in process piping, air handling systems, plumbing, and HVAC solutions, ensuring every project is completed safely, on time, and within budget.

In 2009, we expanded into the Water Treatment Industry, broadening our capabilities to serve communities and businesses across Ohio, Kentucky, and West Virginia. Whether you need mechanical contracting, HVAC installation, process piping, or water treatment solutions, our team uses the latest construction methods and technologies to meet the unique needs of every client.

At Mechanical Construction Company, our reputation has been built on commitment, craftsmanship, and customer satisfaction. With decades of proven expertise, we proudly continue to serve Portsmouth, Chillicothe, and Southern Ohio as a trusted name in mechanical contracting and construction services.

Let’s Build Your Next Project Together

Looking for an experienced mechanical contractor in Southern Ohio or the Tri-State area? Partner with a company that puts safety, quality, and integrity first. Contact Mechanical Construction Company today to learn how our expert team can deliver plumbing, HVAC, process piping, and water treatment solutions tailored to your needs.