Established in 1999, W.E. O’Neil Construction Company of Colorado has flourished into an award- winning industry leader. Our foundation is rooted in our people and our commitment to quality, integrity and responsiveness to our clients’ needs.
Through four generations of O’Neil family leadership and 90 years of experience, the W.E. O’Neil name has been synonymous with superior professional construction services. With the majority of our work coming from repeat clients, we place great value on the relationships we develop. We recognize that communication is the cornerstone of these relationships; so, we listen and become partners in our clients’ building successes.