W. E. O’Neil is committed to promoting sustainable building and development practices. Our team consists of over 80 full-time LEED Accredited Professionals who have participated in over four million square feet of LEED projects. In addition, we have assisted owners with green building programs on numerous buildings that have not pursued LEED credit. Sharing best practices with owners, designers, and our project teams allows us to continually support building environmentally-conscious facilities and sustainable construction.

Customers building programs supported by LEED best practice enhances our ability to deliver these goals:

  • Reduced operating costs
  • Conservation of natural resources
  • Optimized equipment life-cycle
  • Enhanced occupant comfort and health
  • Increased productivity
  • Improved air and water quality
  • Reduced waste

As a steward of sustainable building practices, W. E. O’Neil provides building owners and operators the experience necessary to improve your building’s performance. Below is just a sampling of our Gold, Silver and Certified LEED projects:




LEED Silver


LEED Certified

    • UCMC New Hospital Pavilion
    • Marriott Courtyard – SRPMIC