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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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    History

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

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    • Safety
    • Innovation
    • Quality
    • Compliance
    • Awards
    • Corporate Responsibility
  • What We Do

    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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    Sectors

    Our Focus Areas

    • Aviation
    • Broadcast-Media
    • Building Repositioning
    • Corporate Base Building
    • Corporate Interiors
    • Corrections
    • Cultural/Religious
    • Education
    • Financial
    • Government
    • Healthcare
    • Hospitality
    • Industrial
    • Justice
    • Law
    • Life Sciences
    • Mission Critical
    • Multi-Unit Residential
    • Public Safety
    • Retail
    • Sports & Entertainment
    • Technology
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    Expertise

    • Building / Site Evaluation
    • Construction Management
    • Construction Procurement Solutions
    • Elevator Construction Consultants
    • Enterprise Solutions
    • Facilities Construction Services
    • Mass Timber Construction
    • Preconstruction
    • Sustainability & Wellness
    • Technology & Innovation
    • Virtual Design & Construction
    Learn more about our Expertise >
  • People

    Careers

    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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    Leadership

    Meet the experts who lead our people and organization.

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    Community

    We care about each other and are committed to making a positive impact where we live and where we work.

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  • News

    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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    STOBG Podcast

    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
      Abbott Construction Abbott Construction company logo
    • Ajax
      Ajax Ajax company logo
    • BCCI
      BCCI BCCI company logo
    • Govan Brown
      Govan Brown Govan Brown company logo
    • Layton
      Layton Layton company logo
    • LF Driscoll
      LF Driscoll LF Driscoll company logo
    • STOMC
      STOMC STOMC company logo
    • Pavarini Northeast
      Pavarini Northeast Pavarini Northeast company logo
    • Pavarini McGovern
      Pavarini McGovern Pavarini McGovern company logo
    • RC Andersen
      RC Andersen RC Andersen company logo
    • Structure Tone
      Structure Tone Structure Tone company logo
    • Structure Tone International
      Structure Tone International Structure Tone International company logo
    • Structure Tone Southwest
      Structure Tone Southwest Structure Tone Southwest company logo
  • Contact
  • Find Us
  • WHO WE ARE
    • Our Story
    • History
    • Safety
    • Innovation
    • Quality
    • Compliance
    • Awards
    • Corporate Social Responsibility
  • WHAT WE DO
    • Projects
    • Sectors
      • Broadcast & Media
      • Building Repositioning
      • Corporate Base Building
      • Corporate Interiors
      • Corrections
      • Cultural/Religious
      • Education
      • Financial
      • Government
      • Healthcare
      • Hospitality
      • Industrial
      • Justice
      • Law
      • Life Sciences
      • Mission Critical
      • Multi-Unit Residential
      • Public Safety
      • Retail
      • Sports & Entertainment
      • Technology
    • Expertise
      • Building Repositioning
      • Building / Site Evaluation
      • Commissioning
      • Construction Management
      • Construction Procurement Solutions
      • Elevator Construction Consultants
      • Facilities Construction Services
      • Mass Timber
      • Preconstruction
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  • PEOPLE
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  • Companies
    • Abbott Construction
    • Ajax Building Company
    • BCCI Construction
    • Govan Brown
    • Layton Construction
    • LF Driscoll
    • STO Mission Critical
    • Pavarini North East
    • Pavarini McGovern
    • RC Andersen
    • Structure Tone
    • Structure Tone International
    • Structure Tone Southwest
  • Contact
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Government Projects | STO Building Group
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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Government Projects

Hover Effect Flagler County Nexus Center
Flagler County Nexus Center
Construction Management at Risk (CMAR)
Government

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Flagler County Nexus Center
Flagler County Nexus Center
Construction Management at Risk (CMAR)
Government
Ajax
Hover Effect Hardee County Emergency Operations Center (EOC)
Hardee County Emergency Operations Center (EOC)
Construction Management at Risk (CMAR)
Government, Public Safety

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Hardee County Emergency Operations Center (EOC)
Hardee County Emergency Operations Center (EOC)
Construction Management at Risk (CMAR)
Government, Public Safety
Ajax
Hover Effect Brevard County Emergency Operations Center (EOC)
Brevard County Emergency Operations Center (EOC)
Construction Management at Risk (CMAR)
Government, Public Safety

The Brevard Emergency Operations Center (EOC) is one of the most activated EOC in the country and the most activated in the State of Florida. This new EOC facility was designed to withstand 200 MPH hurricane force winds, large missile.

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Brevard County Emergency Operations Center (EOC)
Brevard County Emergency Operations Center (EOC)
Construction Management at Risk (CMAR)
Government, Public Safety
Ajax
Hover Effect GCworkplace
GCworkplace
Ottawa, ON
Construction Management
Government

In an effort to follow the private sector’s new trends for reinventing the modern workplace, the Government of Canada has also been re-envisioning how their own employees work. Across its many departments, this shift towards workplace modernization, dubbed GCworkplace, is being embarked upon in the hopes that such improvements to the workplace environment will foster greater innovation, collaboration, and productivity among employees.

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GCworkplace
GCworkplace
Ottawa, ON
Construction Management
Government
Govan Brown
Hover Effect WSDOT Northwest Regional Headquarters
WSDOT Northwest Regional Headquarters
Shoreline, WA
Construction Management
Government

At face value, Abbott Construction’s design-build project for the Washington State Department of Transportation (WSDOT) involved renovating its Northwest Regional Headquarters in Shoreline, WA to house over 600 WSDOT and Department of Ecology (WSDOE) employees. Although reorganizing and updating an occupied, six-story, 162,000sf building from the 1970s seemed like a hefty challenge, the project team still saw the project as an invigorating exercise in both creativity and excellence to save a grove of historic trees and improve the building’s efficiency while also uniting differing stakeholder needs.

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WSDOT Northwest Regional Headquarters
WSDOT Northwest Regional Headquarters
Shoreline, WA
Construction Management
Government
Abbott Construction
Hover Effect West Valley City Police Department
West Valley City Police Department
West Valley City, UT
Construction Management
Government, Public Safety

Layton provided both preconstruction and construction services for West Valley’s new, ground-up police headquarters. As the second largest city in Utah, West Valley’s expanding police force required a larger facility that met their spatial and technology needs, as well as the needs of the growing community.

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West Valley City Police Department
West Valley City Police Department
West Valley City, UT
Construction Management
Government, Public Safety
Layton
Hover Effect William Square Plaza
William Square Plaza
Irving, TX
Construction Management
Government

Originally built in the 1980s, the well known and loved Williams Square Plaza in Irving, Texas was in dire need of a revamp, and Structure Tone Southwest was there to deliver.

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William Square Plaza
William Square Plaza
Irving, TX
Construction Management
Government
Structure Tone Southwest
Hover Effect Wiregrass Ranch Sports Campus of Pasco County
Wiregrass Ranch Sports Campus of Pasco County
Wesley Chapel, FL
Construction Management at Risk (CMAR)
Government, Sports & Entertainment

Wiregrass Ranch Sports Campus of Pasco County - This new facility consisted of a new 100,000 SF PEMB indoor sports arena with 230 foot clear span and 70,000 SF of wood flooring for the primary use of volleyball, basketball, dance, cheerleading, and other indoor sports.

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Wiregrass Ranch Sports Campus of Pasco County
Wiregrass Ranch Sports Campus of Pasco County
Wesley Chapel, FL
Construction Management at Risk (CMAR)
Government, Sports & Entertainment
Ajax
Hover Effect City of St. Petersburg Police Department Headquarters
City of St. Petersburg Police Department Headquarters
St. Petersburg, FL
Construction Management
Government, Public Safety

This New Public Safety Campus includes a main Administrative and Property Evidence building that is a three-story, 167,000sf structure built to 195 mph wind design criteria.

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City of St. Petersburg Police Department Headquarters
City of St. Petersburg Police Department Headquarters
St. Petersburg, FL
Construction Management
Government, Public Safety
Ajax
Hover Effect Orlando Utilities Commission St. Cloud Operations & Maintenance Facility
Orlando Utilities Commission St. Cloud Operations & Maintenance Facility
Construction Management at Risk (CMAR)
Government

The Orlando Utilities Commission (OUC) needed a new joint use facility to better serve Orlando and parts of both Orange and Osceola counties, from one central hub. This multi-phase operations center totals approximately 77,605 SF.

learn more >
Orlando Utilities Commission St. Cloud Operations & Maintenance Facility
Orlando Utilities Commission St. Cloud Operations & Maintenance Facility
Construction Management at Risk (CMAR)
Government
Ajax

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

Who We Are

  • Our Story
  • History
  • Leadership
  • Corporate Responsibility

Helpful Links

  • Careers
  • Projects
  • Sectors
  • Expertise
  • Subcontractors
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  • Modern Slavery Statement

Industry Insights

  • Insights Magazine
  • Podcast
  • Thought Leadership

Contact Us

Locations

Business Development
bd@stobuildinggroup.com
Careers
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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