O&G is one of the premier building construction firms in the Northeast.  We excel in completing complex new construction and renovation projects in educational and healthcare settings.

O&G provides comprehensive interior and exterior construction services for small, mid-size and unique projects backed by our vast team of skilled tradesman, equipment and construction experience.

O&G supplies hundreds of brands of mason products through our retail showrooms and mason stores located throughout Connecticut.  We supply materials for projects throughout New England and the Tri-State region.

O&G is one of the largest Heavy Civil Construction firms in the Northeast.  We have successfully completed some of the largest and most complex heavy civil construction projects throughout the region and the country.

O&G provides asphalt paving services for commercial, industrial, municipal and DOT projects throughout the western half of Connecticut.

O&G produces and supplies construction materials through our regional network of asphalt plants, concrete plants and quarries located throughout Connecticut and Eastern New York.