O&G has completed some of the largest and most complex heavy civil construction projects throughout the region and the country.

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.

Our services include providing design, construction and maintenance for large-scale heavy civil projects throughout the Northeast and beyond.   We have broad capabilities and extensive experience in constructing roads, bridges, power generation facilities, as well as performing large site development projects including locks, dams, tunnels and airport runways.

We supply our own aggregates, concrete, asphalt and specialty products through our network of six quarries, eight concrete plants and nine asphalt plants located throughout Connecticut and Eastern New York.  We have a proven track record in meeting mix specifications, while each of our plants has onsite testing capabilities to measure product performance.

Recognized by industry publications and leading equipment manufacturers like Caterpillar, O&G has one of the most comprehensive and well maintained company-owned equipment inventories in the industry.  Our fleet includes over 1,900 pieces of equipment such as large tractors, cranes and earth movers.  We operate six repair facilities that provide complete, in-house repair capabilities for equipment ranging from cranes and concrete mixers to small power equipment.

O&G has one of the most skilled and experienced teams in the industry.  On staff, we have professional engineers, registered architects, field supervisors, estimators and hundreds of skills tradesmen backed by a company with over 90 years of large-scale horizontal and vertical construction industry knowledge and experience.

O&G has the capability to mobilize our resources to provide emergency services during infrastructure failures such as road or bridge collapses.  In addition, we have the ability to complete regular off-hours work overnight and on weekends.

O&G is a Connecticut DAS and DOT Prequalified Contractor.  O&G is also a Massachusetts DCAM and MassDOT Prequalified Contractor.

Our Heavy Civil Construction Services

O&G’s Heavy Civil Construction services include:

  • Road and bridge construction
  • Power plant construction
  • Biomass facility construction
  • Site development and large-scale earthmoving

More Information

For more information on O&G’s Heavy Civil Construction services, call O&G at (860) 489-9261.

View our Heavy Civil portfolio »