W.E. O'Neil Construction’s cover photo
W.E. O'Neil Construction

W.E. O'Neil Construction

Construction

Chicago, IL 41,082 followers

A century of building dreams! Nationally ranked, 100% employee-owned general contractor.

About us

"WE value people. WE build dreams." -- since 1925! 100% employee-owned general contractor. We build nationally, with locations in AZ, CA, CO, IL, TN, and TX. 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. Our award-winning teams are recognized as industry leaders. Our longevity can be attributed to our excellent staff of professionals, our integrity, our commitment to customer satisfaction, and our ability to embrace technology. Our combination of the financial strength of a large national contractor and the responsiveness of a small company brings the best of both worlds to our clients. Our experience covers virtually every commercial market sector using a broad range of project delivery methods including design-build, design assist, construction management at risk and lump sum bid.

Industry
Construction
Company size
501-1,000 employees
Headquarters
Chicago, IL
Type
Privately Held
Founded
1925
Specialties
Commercial Construction, Interior Finish, Renovation, Additions, Conversions, Facility remodels, General Contracting, BIM, Construction Management, Estimating, Development, and Preconstruction

Locations

Employees at W.E. O'Neil Construction

Updates

  • Meet Giovanni Sanchez, Estimator II in our Arizona office! As part of our centennial celebration, we asked our employee-owners, “What does 100 years mean to you?” Giovanni’s answer beautifully reflects one of our core values: WE build great relationships.     With nearly six years in the company, Giovanni shared, “To me, 100 years means that we have helped give jobs to countless employees and families. It also says that we know how to keep our people and vendors happy because they're the ones who keep us in business, along with the owners. It’s a huge milestone and I'm glad to be part of it.”    Since our founding in 1925, building strong relationships—with our people, our partners, and our clients—has always been at the heart of everything we do. We’re committed to making opportunities and creating lasting impact.    Join us as we celebrate 100 years of legacy, connection, and growth—this is just the beginning. More stories, milestones, and memories to come!    #WEValuePeople #100YearsStrong #CenturyOfBuildingDreams #WEO100  #WEBuildGreatRelationships

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  • We've broken ground on The Glendale in Phoenix, AZ! Our team was thrilled to celebrate the start of construction with a groundbreaking ceremony yesterday. We were joined by Phoenix Councilwoman Betty Guardado and representatives from the City of Phoenix Housing Department, the Arizona Department of Housing, and the Phoenix IDA, all of whom played a role in bringing this affordable housing project to life.  The Glendale is a new three-story multifamily housing complex for low-income seniors located at 27th Avenue & Glendale Avenue in North Central Phoenix. The community will consist of 45 residential units, 11 set aside specifically for veterans, along with various resident amenities.  A special thank you to The Richman Group for this opportunity! Find more about this project on our website: https://lnkd.in/eiWKjesJ  #WEBuildDreams

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  • Progress update from FlatIron Crossing in Broomfield, CO! 🏗️ We are proud to partner with Macerich on an exciting mixed-use development at FlatIron Crossing—just steps from one of the largest indoor malls in the Denver Metro area! This project features new retail construction, exterior plazas, renovated commercial spaces, office buildings, and parking structures. Currently, our team is hard at work laying the groundwork—literally—for what’s to come. We’re preparing foundations for four new ground-up retail spaces by treating the existing clay-heavy soil. The process includes mixing in new soil, applying a stabilization spray, and blending it all together to create a solid, reliable base for construction. This mitigates the effects of expansive clay and facilitates long-term structural stability. We're also installing new sanitary lines and structural support systems to reinforce both the new and existing facilities. Directly beneath FlatIron Mall, our crews are digging through tight 3’ x 3.5’ tunnels to inspect and prep existing support beams—ensuring the structure above remains secure for years to come. Next time you're shopping at FlatIron Crossing, just one level below your feet, our team is making major moves. Click through to see detailed looks at what’s going on below the surface! We're proud of the progress and look forward to delivering the final product in April 2027—a new chapter for Broomfield’s retail and office space! 📍 Stay tuned and follow us for more behind-the-scenes updates. #WEValuePeople #WEBuildDreams #Flatiron

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  • 📢 Exciting News! We're #12 in BD+C’s 2024 Giants 400: Top Casino Construction Firms! This recognition reflects the dedication and #teamwork of our amazing #EmployeeOwners, teams, and partners. Thank you for your commitment and hard work! 🎉 👏  W.E. O’Neil brings 25+ years of construction experience in the high-stakes, fast-paced demands of the gaming and casino market. We’ve delivered successful projects across the country—including tribal lands, barge-to-land conversions, and shopping mall conversions—for top clients like Caesars, Harrah’s, Hollywood, Penn Gaming, Ameristar, Stations, and The Queen.  Explore our #Gaming portfolio here: https://lnkd.in/gUF2fexj  Ready to build with us? Let’s connect: https://lnkd.in/gWDzQf5B  #WEValuePeople #WEBuildDreams #Giants400

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  • We have broken ground! Commemorating the first of many milestones, we celebrated the groundbreaking of The Whitford of Dublin in Dublin, CA! Our team is excited to start building this new 156,883 SF, two-story, Type III-A #SeniorLiving building with 38 memory care units and 110 assisted living units. Some of the wonderful amenities include a private dining space, a kitchen with a café, a bar, a golf simulator, a salon, a theater, and fitness facilities. A special thanks to #RepeatClient Harbert Management Corporation and the architect, SmithGroup, for this opportunity. More information about this project on our website: https://lnkd.in/gQefGe5R #WEBuildDreams #Dublin

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  • 🚧 Calling All Local Subcontractors! Don’t miss the chance to join the Idaho Springs Police Station Project. We are excited to partner with the City of Idaho Springs on the renovation of the Idaho Springs Police Department, and we’re looking to connect with local trade partners in Clear Creek County and Idaho Springs area! We’re currently seeking qualified subcontractors in the following trades: 🏗️ Concrete 🏗️ Masonry 🏗️ Structural & Misc. Steel 🏗️ Millwork 🏗️ Glazing 🏗️ Roofing 🏗️ Flooring 🏗️ Drywall 🏗️ Paint 🏗️ Low Voltage 🏗️ Earthwork 🏗️ Utilities 🏗️ Fencing This is a great opportunity to support a meaningful community project in a town we love — right in the heart of Idaho Springs. This project includes selective demolition and renovation of an existing 2,762 SF bank building, with a full transformation into a new, modern police facility. Scope includes everything from new facades and MEP upgrades to structural improvements and site work. 📍 Local subcontractors are strongly encouraged to reach out! Help us build something great for the Idaho Springs community. Let’s partner to build dreams! 👉 If you're interested in joining the team, please contact us at: DenverBids@weoneil.com #WEBuildDreams #IdahoSprings #ClearCreekCounty #SubcontractorOpportunity

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  • Congratulations to Wind Creek Hospitality on the grand opening of the Wind Creek Chicago Southland Hotel & Resort in East Hazel Crest, IL! In partnership with BOWA Construction, we’re proud to celebrate this stunning new addition to the region. W.E. O’Neil had the pleasure of hosting our Chicago office’s annual meeting at Wind Creek this March, and we were truly impressed by the craftsmanship, attention to detail, and vision brought to life. Now fully open to the public, the 255+ room and 43+ luxury suite state-of-the-art hotel and resort features a full-service spa, indoor pool, event spaces, and a rooftop restaurant and lounge overlooking the Chicago skyline — all complementing the 70,000 SF casino and multi-level parking garage that delivered in November. Kudos to everyone involved in making this extraordinary destination a reality! #WEBuildDreams #HospitalityConstruction #Gaming

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  • Congratulations to California #EmployeeOwners Yolanda Andas, Devon Basham, Nathan St.Clair, Jay Puglisi, Colin Fowler, EIT, Ekta Ranjan, Lucas Dunn, Tom Mason, Pedro Juarez, Austen Curran, Armando Enriquez, Ricky Addis, and Seth Watkins on their recent promotions! Thank you for your dedication and contributions to the overall success of our company.   #WEValuePeople

  • Yesterday our #Texas team had a great time participating in Company Day at Texas A&M University connecting with the bright minds in the Construction Science Department. It was inspiring to meet the next generation of construction professionals and share insights about the industry. Thanks to everyone who stopped by—we’re excited for what the future holds! As a W.E. O’Neil intern, you will find opportunities to make an impact immediately. You’ll be part of a #century-old company that values the contributions, careers, and families of our #EmployeeOwners. We are committed to creating long-term value and success for everyone, building great relationships along the way. Learn more our website: https://lnkd.in/g9dgg4B6 Check out the video at top of the page to hear directly from our people and past interns! Ready to create an impact? Apply here: https://lnkd.in/gWD3VaGV #WEValuePeople #WEOFamily #EmployeeOwnership #WEOInterns #WEO100 #ConstructionCareers #ConstructionInternship

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