About
W.E. O'Neil Construction is a 100% employee-owned, nationally ranked general contractor. We build nationally, with locations in AZ, CA, CO, IL, TN and TX. Learn more about our work, our values, and our people in the video below. W.E. O’Neil Construction has seen steady growth since its founding in 1925 in Chicago by the O’Neil family. Now 100% employee-owned (ESOP), we embrace people as our number one asset. Headquartered in Chicago, we serve our clients from 12 offices across six states. Our offices cultivate a local presence and offer the individualized attention of a smaller company. We have built throughout the nation and are focused on smart growth. Relationships Matter With over 80% of our work coming from repeat clients, we place great value on the relationships our people develop with our clients.