A Family Legacy, An Industry Standard
For more than a century, O&G Industries has grown from a small family business into one of the Northeast's most trusted, fully integrated construction companies.
Our vertically integrated model — spanning building construction, heavy civil, power & energy, asphalt paving, masonry, and construction materials — allows us to control quality, schedule, and cost at every stage of a project. It's this discipline, paired with an unwavering commitment to safety, that has earned us the reputation as The Gold Standard.
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Vertically IntegratedSelf-perform capabilities across six divisions reduce risk and improve delivery.
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Safety First, AlwaysAn industry-leading safety culture protects our people on every jobsite.
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Community RootedFamily-owned and Connecticut-based, we build where we live.
Six Integrated Divisions, One Standard of Excellence
Explore the capabilities that make O&G a single-source partner for projects of every size and complexity.
Building Construction
From ground-up commercial buildings to complex institutional facilities, our building construction teams deliver quality craftsmanship on schedule and on budget for education, healthcare, and commercial clients.
Division Details
Heavy Civil Construction
Roads, bridges, dams, and large-scale site development — our heavy civil division brings decades of experience to the Northeast's most demanding infrastructure projects.
Division Details
Power & Energy
We plan, build, and maintain the power generation and utility infrastructure that keeps the region's lights on, safely and reliably.
Division Details
Asphalt Paving
Our own asphalt plants and paving crews deliver smooth, durable surfaces for highways, municipal roads, and private developments.
Division Details
Mason
Skilled masonry craftsmanship — from structural block to decorative brick and stone — completed with precision and pride.
Division Details
Construction Materials
Our quarries and materials facilities supply aggregate, ready-mix concrete, and asphalt — ensuring quality and supply reliability for every project.
Division Details
Building With Purpose, Precision, and Pride
Take a closer look at how our teams bring projects to life — from first excavation to ribbon-cutting — with the same commitment to quality that has defined O&G for over a century.
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