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�������� History by the Decades

1920s

Charles H. �������� founded Chas. H. �������� Inc. in 1926 in Dayton, Ohio. Our first major works included the Frigidaire Plant, Third National Bank Building (pictured), and Oakwood High School — all key projects that helped lay the foundation for our century of building excellence.

�������� History by the Decades

1930s

In the decade after our founding, �������� made a significant mark in the Dayton region by constructing several buildings, including the National Cash Register Building, Good Samaritan Hospital (pictured), and the Christian Science Church. During this time, we laid the groundwork as a trusted partner in the buildings that shape our communities.

�������� History by the Decades

1940s

As �������� reached the 1940s, we entered a decade of growth, expanding into the industrial market by constructing the Tait Power Station and a facility for General Motors.

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During this decade, we also took the significant step of entering the water resources market, working on a sewage treatment plant (pictured) in 1948 in Newark, Ohio. This pivotal project marked the start of decades of delivering water resource expertise to our communities.

�������� History by the Decades

1950s

In the Fabulous Fifties, �������� answered the call in our communities for the growing need for pollution control facilities, increasing our water and wastewater treatment plant work, such as the Hamilton Water Treatment Plant.

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But water resources was just one area where we made a splash. Another marquee �������� project was the Wright Field Administration Building (pictured) at Wright-Patterson Air Force Base.

�������� History by the Decades

1960s

It was an era of change at �������� during the 1960s. Four employees bought the company following the death of Charles �������� (pictured) and changed the name to �������� Inc.

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The foundations for success laid by Charles �������� carried the company forward through the change, and �������� continued our work on impactful community projects, including the Kettering Memorial Hospital and Scioto Memorial Hospital.

�������� History by the Decades

1970s

In the decade of disco, �������� scored significant hits of its own, as we undertook a major expansion in the water and wastewater markets, working on projects such as the Western Regional Wastewater Plant in Ohio.

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Our growth continued with notable public building work for the state of Ohio, city of Dayton, and local universities. Marquee projects include the Dayton Convention and Exposition Center (pictured), the University of Dayton’s main library and Middletown Mall, which won a Build America Award.��

�������� History by the Decades

1980s

As the 1980s dawned, demand for our expertise and work grew in Northern Ohio, including the Huron Wastewater Treatment Plant.��By 1986, the increased work prompted �������� to open our Cleveland-area office.

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Work elsewhere across Ohio — and across market segments —remained strong as we completed the GM Light Truck Assembly Plant (pictured) in Moraine, Ohio, and Emery’s Worldwide Hub Terminal Complex at the Dayton International Airport, for which we won a Build America Award.

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�������� History by the Decades

1990s

As we reached the 1990s, ��������’s expertise and reputation took it beyond Ohio to neighboring Indiana. We opened our Indianapolis office in 1994 to support growth in the retail, public building, and industrial markets.

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Though our geographic footprint expanded, we continued to work on high-visibility projects in Ohio, including Wright State University’s Nutter Center (pictured), the Miami County Courthouse, and the Ohio Statehouse renovation.

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On the water resources side, we completed the Beavercreek Wastewater Treatment Plant and the City of Cleveland's Crown Finished Water Reservoir, for which we won a Build Ameria Award. We also began a decades-long collaboration with the Northeast Ohio Regional Sewer District, delivering facility improvement projects that continue today.

�������� History by the Decades

2000s

The new millennium brought several new opportunities for �������� — we began water and wastewater work in North Carolina and surrounding states, and opened our Kokomo, Indiana, office to support industrial work.

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Ohio is home, and we continued substantial projects in the Buckeye State such as the Atrium Medical Center in Middletown and work with clients such as AT&T (pictured), Verizon, Bridgestone, Macy’s, PolyOne, and Case Western Reserve University.

�������� History by the Decades

2010s

��������’s growth continued with the opening of new offices in three different states! Increasing work in the water resources space prompted us to open our Raleigh, North Carolina, office in 2012. �������� completed water and wastewater treatment plants in Gastonia, New Bern (pictured), and High Point, NC.

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Work across Ohio continues, including a multi-year, multi-project construction program with Dayton Public Schools (pictured) and the St. Elizabeth Boardman Health Center in Youngstown, which won a Build Ohio Award Ohio. We also worked on the Northeast Ohio Regional Sewer District’s Southerly Plant.

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Our Columbus, Ohio, office opened in 2018 with work on the city’s Dublin Road Water Treatment Plant.���������� also undertook the S88 clarification and the S89 disinfection projects at Southerly Wastewater Treatment Plant.��

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In 2019, we launched our Richmond, Indiana, location to support our decade-long relationship with Reid Health, building numerous hospitals and medical office buildings throughout the region.

�������� History by the Decades

2020s

As we approached 100 years in business, �������� didn’t just keep pace — momentum increased across all markets and in all regions.

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Notable projects included the Bila Solar North American Headquarters in Indianapolis; the Sierra Nevada Corp.’s Aviation Innovation and Technology Center at the Dayton International Airport; the Wastewater Treatment Improvement Project in Siler City, N.C. (pictured); the Think Dayton Building at onMain, Dayton's Innovation Hub; and the Gold Lot at Cleveland Hopkins International Airport — a first step in the airport’s transformational redevelopment.

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2025 brought a momentous milestone — we were awarded the Ottawa Water Treatment Plant PFAS (per- and polyfluoroalkyl substances) Advanced Treatment Project in Dayton, which has the potential to be the largest facility of its kind in the United States.

�������� History by the Decades

2026

�������� celebrates 100 years!��

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As we look forward to another 100 years of accomplishments, we continue to hold true to the foundations for success Charles �������� established in 1926. Those foundational traits of honesty and integrity live on in the work we do, and we uphold our Mission — To Dramatically Improve the Communities We Serve — every day.