Built to Serve

our mission is to provide unsurpassed construction services to the U.S. federal government. oneill’s dedication to excellence is fueled by our conviction that we are Built to Serve. It is this TENET that drives us to consistently deliver UNrivaled service, every time.

From renovating historic treasures, to installing state-of-the-art technology in military bases, ONeill is uniquely qualified to handle the complex needs of America’s infrastructure.

A full-service design-build contractor, ONeill is optimized for and focused exclusively on, providing construction services to the U.S. Federal Government.

While our expertise is rooted in the technical aspects of construction, our approach is centered on delivering the greatest customer experience possible.

We excel at uncovering and fully understanding our client’s needs, and focus our efforts on overcoming the unique challenges faced throughout the project.

We intend to make every interaction with our clients truly exceptional, ensuring the experience far surpasses any they have previously experienced .

We are dedicated to enriching the lives of others - one one project, one purpose, one person at a time.

featured projects

 core values

  • We are honest, transparent, and ethical in every aspect of our work.

  • We are more than builders; we are generous stewards of our time, talents, and resources - we share these gifts and our prosperity with others throughout the communities we live and work.

  • We cultivate a workplace where every team member is valued, heard, and given opportunities to grow and lead.

  • We continuously evolve our processes, technologies, and skills to deliver cutting-edge construction solutions.

agencies we proudly serve

Contact Us