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  • Who We Are

    Our Story

    We are a family of builders building amazing spaces across the US, Canada, UK, Ireland, and the Netherlands.

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    Founded in 1971, we have grown into an organization made up of over 5,700 employees across 54 offices.

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    Projects

    ST. PATRICK`S CATHEDRAL

    St. Patrick’s Cathedral, a New York City landmark building and one of the most revered Catholic Churches in the United States, underwent a major restoration and conservation project.

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    No matter the type of project, complexity or client, one thing remains constant—people do the work. Learn more about our career opportunities.

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    STOBG In The News

    Stay informed and stay connected. View the latest company announcements, employee achievements, and leadership highlights.

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    STOBG Insights Magazine

    Get inspired by the latest issues on project renovations, designs, company commemorations, and collaborations.

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    Connect and listen to construction professionals and leaders one conversation at a time.

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    Thought Leadership

    What’s next in construction? From trends to data, find out more from our experts.

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  • Companies
    • Abbott Construction
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    • Ajax
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    • BCCI
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    • Govan Brown
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    • Layton
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    • LF Driscoll
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    • STOMC
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    • Pavarini Northeast
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    • Pavarini McGovern
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    • RC Andersen
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    • Structure Tone
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    • Structure Tone International
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    • Structure Tone Southwest
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Corrections & New Jail Construction | STO Building Group (STOBG)
Structure Tone is a global leader in construction management and general contracting services with offices located in the US, UK, and Ireland. Founded in 1971, the company is among the world’s top twenty construction companies worldwide, responsible for more than $3.5B in annual construction volume.
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Sector

Corrections

From prisons and jails to stand-alone holding facilities, we understand the complexities of building secure campuses and know the best practices for making these facilities safer, more humane, and more cost effective to operate.

Explore
  • Our Strengths
  • Our Projects
  • Our Leadership
  • Our Insights

Building Safer Spaces For Brighter Futures

#14

Top Correctional Facilities

ENR National (2025)

6.6M+

Square Feet

Corrections Projects In The Last Five Years

#8

Top Correctional Contractor

ENR East (2025)

Strategizing Safety, Maximizing Efficiency

Security of your facility remains at the forefront of our teams’ minds from start to finish

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Yuma County Detention Center Annex

Completed in a rural part of Arizona, the Yuma County Detention Annex included an expansion to an operating correctional facility for juveniles convicted of adult offenses. This expansion consisted of 81 cells, a prisoner tunnel, a single master control room, a tunnel complex, an underground parking facility, a warehouse facility, and administrative offices.

project-1

Ute Indian Tribal Justice Center

The Ute Indian Tribal Justice Center is a jail and courts facility that includes spaces for juvenile detention, adult detention, law enforcement and courts. The facility functions under direct supervision, allowing the detention staff to build personal relationships with the inmates.

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Utah State Prison

The Utah State Prison relocation project proved to be a challenging project for Layton and other key stakeholders. Between labor shortages, tariffs, and unforeseen circumstances, the project faced several hurdles.

project-1

Richard J. Donovan Correctional Facility

In a joint venture with Sundt Construction, Layton completed a design-build expansion of the Richard J. Donovan Correctional Facility with California’s Department of Corrections and Rehabilitation (CDCR).

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The Future Of Corrections

An inside look at prisons and new jail construction and what makes these facilities unique

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Care First, Jails Last: Restorative Care Villages

In Los Angeles County, thousands suffering from mental illness and homelessness cycle in and out of a jail system that’s ill-equipped to help them recover. When recent studies revealed that over half could be safely treated in a community setting if given the right support, LA County changed its approach towards behavioral health: Care First, Jails Last.

Learn more Sep 26, 2022 | Insights

Former Jail Finds New Life

In late 2019, the Madison Street Jail, having sat empty for 10 years, finally saw the light of day. The 8-floor structure, originally designed for isolation, with only discrete, 8in horizontal windows to the outside world, was transformed into 6 floors of open, light-filled, Class A office space. The renovated space is now home to some 900+ workspaces for Maricopa County Officials, including the County Attorney’s Offices.

Learn more Sep 8, 2022 | Insights

OUT WITH THE OLD: Layton Nears End of New Utah Correctional Facility

As the lead in a joint venture, Layton Construction is fast approaching the finish line on the new Utah State Correctional Facility relocation—the state’s largest, non-highway public project to date. Spanning 300 acres and comprised of 30 buildings, the new correctional facility will operate much like a mini city—complete with its own roads, utilities, and several different facilities.

Learn more Nov 5, 2021 | Insights

The Evolution of Corrections & Detention Facilities

From mental health considerations to modular design and delivery, correctional facility design and construction has transformed over time. Join Senior Vice President of STO Building Group (STOBG), Amy Wincko, as she interviews three corrections construction experts: VP of Ajax Building Company Jay Smith, VP of Layton Construction David Burton, and Construction Manager at Layton Construction Dave Whimpey.

Learn more Aug 9, 2021 | Podcast
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Explore What's Achievable And Start A Conversation

Contact us

Our Family of Builders

  • Abbott Construction
  • Ajax
  • BCCI
  • Govan Brown
  • Layton Construction
  • LF Driscoll
  • STO Mission Critical
  • Pavarini North East
  • Pavarini McGovern
  • RC Andersen
  • Structure Tone
  • Structure Tone International
  • Structure Tone Southwest

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Contact Us

Locations

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bd@stobuildinggroup.com
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careers@stobuildinggroup.com
Press
press@stobuildinggroup.com

STO Building Group (STOBG) is a Family of Builders.

STO Building Group (STOBG) is a leader in commercial construction management. We draw on each other’s strengths to deliver expert services in preconstruction, sustainable construction, virtual design and construction, and more.

 

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