Celebrating 100 Years of integrity, innovation, and lasting relationships: valuing people, building dreams!
Celebrating a CENTURY of valuing people and building dreams!
This once-in-a-lifetime milestone is made possible by the commitment of our employee-owners and through relationships built over time with our clients and partners.
From our humble beginnings, W.E. O’Neil’s century-long story is one of integrity, innovation, and lasting relationships.
Explore our anniversary site and celebrate the achievements, people, and values that shaped who we are today.
100 years is a once-in-a-lifetime milestone! 2025 is for celebrating where we’ve been, who we are, and how we’ll keep getting better.
John Finn
Chief Executive Officer
Relationships are everything—within our teams, with our partners, and with our clients. For generations, W.E. O’Neil has built trust through collaboration, turning shared visions into reality and creating lasting achievements together.
From innovative projects to iconic landmarks, our work speaks for itself. W.E. O’Neil has delivered best-in-class construction for decades, showcasing expert craftsmanship and unwavering dedication to quality.
Becoming 100% employee-owned in 2020 was a landmark moment, ensuring every employee has a stake in W.E. O’Neil’s future and continuing the company’s tradition of taking care of its people. It’s a model of shared success, driven by people who care.
With a strong portfolio spanning diverse markets across the nation, W.E. O’Neil delivers projects of all sizes and complexities. From coast to coast, we combine proven expertise with a personal approach, building trust and delivering results.
The O'Neil family founded more than a company—they built a lasting legacy of leadership and growth. Their dedication to business and people remains key to W.E. O'Neil's story and identity today.
From our humble beginnings, W.E. O’Neil’s century-long story is one of integrity, innovation, and lasting relationships. In our timeline, explore the achievements, people, and moments that shaped who we are today.
From day one, W.E. O’Neil has put people at the center of everything we do. Whether it’s taking care of employees on job sites, building great relationships with customers and partners, creating opportunities for growth, or sharing in the company’s success—people have always come first.
