W.E. O'Neil Construction is a nationally ranked general contractor founded in 1925, marking its centennial anniversary in 2025. The firm operates across six states - Arizona, California, Colorado, Illinois, Tennessee, and Texas - serving a broad range of sectors including education, healthcare, hospitality, retail, office, multifamily, aviation, government, gaming, tribal, senior living, and infrastructure.
The company is 100% employee-owned, meaning every team member holds a stake in the organisation's success. This ownership structure fosters a culture of accountability and shared purpose, underpinned by commitments to integrity, innovation, and lasting relationships.
W.E. O'Neil provides a full suite of construction services: general contracting, construction management, preconstruction, self-perform work, and design-build delivery. Its long-standing presence and diverse project portfolio reflect a capacity to handle complex builds across multiple industries and geographies.
