serving those who serve others

ONeill is honored to provide services that ensure the safety and efficiency of our nation’s facilities and infrastructure. We deliver Federal projects throughout the country that meet and often improve upon cost, schedule and quality requirements.

The clients we serve

What Our Customers Are Saying

  • "ONeill is, by far, the best contractor we have had on this base. The communication, attention to detail, safety, and quality of work on this contract exceeded our expectations. "

    NAVFAC

  • “ I would like to extend my heartfelt thanks to O'Neill Contracting for the exceptional work. Your commitment to excellence and safety has made a significant impact on the success of our project, and we look forward to the opportunity to work with your team again in the future. Thank you for your continuous dedication and for setting a benchmark for professionalism and quality in the construction industry.”

    Contracting Officer - General Services Administration

  • “As the COR for this project, I am writing to express my deepest appreciation for the outstanding performance of your Project Manager on our recent project. Their committed attitudes to safety-first, professional work ethic, and timely installation have not gone unnoticed. The dedication shown by your teams in ensuring the safety and security of their workers on site is commendable and truly sets a high standard in the industry.”

    COR, Department of Veteran Affairs

  • "The contractor demonstrated during this rating period that they continue to have the professional capabilities and skills to achieve quality construction, including the multitude of parts and pieces that go along with it. In particular, the contractor has the technical skill to identify potential issues and recommend a good engineering solution. They demonstrated the ability to deliver the product per the plans and specifications."

    Area Engineer, US Army Corps of Engineers