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. E. O’ Neil Construction
Trusted partner
Looking forward to the coming years, as the company enters its second century of operation, it seeks to build on successes like the unique LAX( Los Angeles International Airport) Midfield Satellite Concourse( MSC) South project, an extension to the existing concourse of the west gates of Tom Bradley International Terminal. Utilizing a construction technique called offsite construction and relocation( OCR)- a first-of-its-kind at LAX- the concourse was built in nine segments roughly a mile and a half away from the project’ s site. Once assembled, these segments were transported across the
Lincoln Park Zoo Primate House.
William Edward O’ Neil and a crew of skilled Swedish immigrant carpenters from Chicago’ s north side built this 23,700 SF structure in 1926. runway and set in place. The OCR technique was both innovative and adaptive, saving public funds and time with a high degree of building control and supervision; it also enabled less disruption to the airport and the broader location.
The LAX project illustrates how far W. E. O’ Neil Construction has come since its first days in Chicago. In its near century of operation, W. E. O’ Neil has demonstrated an unwavering commitment to its core values of quality, integrity, and responsiveness. These principles continue to guide the company’ s growth and success, ensuring that W. E. O’ Neil remains a trusted partner in the construction industry for years to come.
In February 2025, in recognition of a century of excellence in construction, philanthropy, and economic contribution, the City of Chicago officially proclaimed 2025 as W. E. O’ Neil’ s 100-year anniversary. The firm has played a pivotal role in shaping the Chicago skyline and community. From local landmarks such as The Museum of Contemporary Art, Lane Tech High School, Crown Fountain at Millennium Park, restoration of the Chicago Theatre and the firm’ s first project- the Primate House at Lincoln Park Zoo; to modern developments like Lincoln Common, Block 37, the University of Chicago’ s William Eckhardt Research Center, and LondonHouse Hotel, its work has left an enduring mark on the city.
As part of its centennial celebrations, the company will host events and initiatives throughout the year. With a legacy built on resilience and growth, W. E. O’ Neil Construction stands ready to embrace future opportunities and challenges, and Construction Today looks forward to reporting further on this stalwart in US construction. ■
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