W.E. O'Neil Construction Co. of AZ

Established in 1925, W.E. O’Neil Construction Company has flourished into an award winning and nationally ranked 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 O’Neil name has been synonymous with quality professional construction services.

With over 80% of our work coming from repeat clients, we place great value on the relationships our people develop with our clients. We recognize that communication is the cornerstone of these relationships; so, we listen and become partners in our clients’ building successes.

The W.E. O’Neil Construction Company family of companies is structured to benefit our clients with the stability of a strong bonding capacity and financial security and localized regional expertise. Our parent company, O’Neil Industries, is headquartered in Chicago with operating units in Chicago, Tucson, Phoenix, Los Angeles, Ontario, San Diego, Denver and Nashville.