Building Construction Services

Building Construction

O&G is one of the premier building construction firms in the northeast.

O&G offers a comprehensive portfolio of building services ranging from General Contracting and Construction Management services to value-added, owner-centric consulting services including Pre-Construction and Program Management.


Featured Project

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Our resume includes over 50 years of vertical construction experience across numerous consumer markets including education and healthcare.

We excel at complex, challenging, and unique building projects, both large and small, from new construction to renovation.  Our project experience includes building public and private schools and universities, hospitals, and medical facilities, as well as a corporate office, transportation, and industrial buildings.

Our experience also includes sustainable, green building projects such as power plants and biomass facilities as well as unique projects.

We have worked in environments ranging from occupied healthcare facilities and schools to busy airports and manufacturing facilities.  We have worked with clients ranging from Fortune 100 companies, nationally recognized hospitals, and universities, to local municipalities, businesses, and nonprofit organizations.

At O&G, we have the capability to complete work within the owner’s schedule, whether it requires 24×7 staffing or completing work during a factory shutdown.

We pride ourselves on having one of the most skilled teams in the industry ready to work on your building project.  Our team includes professional engineers, registered architects, field supervisors, estimators, and hundreds of skilled tradespeople backed by a company with over 90 years of construction industry knowledge and experience.

Our team has an average tenure that is two-and-a-half times the industry median for U.S. construction workers.  Our staff is also accredited in OSHA safety, LEED building, and ASHE (American Society for Healthcare Engineering) Field Management among others.  In addition, our staff is recognized by awarding organizations each year for their numerous industry and project achievements.

Services & Capabilities

More Information

For more information about O&G Building Services, contact Ken Biega by phone at (860) 344-0587 or email