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  • Who We Are

    Our Story

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

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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
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    • Layton
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    • LF Driscoll
      LF Driscoll LF Driscoll company logo
    • STOMC
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    • 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
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    • Structure Tone International
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    • Structure Tone Southwest
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  • Contact
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  • WHO WE ARE
    • Our Story
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    • Innovation
    • Quality
    • Compliance
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  • 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
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  • Companies
    • Abbott Construction
    • Ajax Building Company
    • BCCI Construction
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    • LF Driscoll
    • STO Mission Critical
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    • Structure Tone
    • Structure Tone International
    • Structure Tone Southwest
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Sustainability 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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Sustainability Projects

Hover Effects Salesforce
Salesforce
Dublin, Ireland
Construction Management
Corporate Interiors, Technology

Structure Tone successfully delivered the multi-phase fit-out and restoration of the Salesforce Tower at North Wall Quay, Dublin, one of the most significant commercial developments in the city.

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Salesforce
Salesforce
Dublin, Ireland
Construction Management
Corporate Interiors, Technology
Structure Tone International
Hover Effects LinkedIn
LinkedIn
Dublin, Ireland
Construction Management
Corporate Interiors, Technology

Home to LinkedIn’s EMEA headquarters, the project was completed on a phased possession basis where Structure Tone worked alongside the developer’s base build contractor for a large portion of the project duration.

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LinkedIn
LinkedIn
Dublin, Ireland
Construction Management
Corporate Interiors, Technology
Structure Tone International
Hover Effects CONFIDENTIAL CLIENT
CONFIDENTIAL CLIENT
Mount Laurel, NJ
General Contracting
Financial

Structure Tone delivered a fourth-floor office fit-out for this confidential financial client in Mount Laurel, NJ. As their trusted construction partner under an existing MSA, our team mobilized quickly to maintain consistent project progress, showcasing responsiveness and reliability that strengthened.

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CONFIDENTIAL CLIENT
CONFIDENTIAL CLIENT
Mount Laurel, NJ
General Contracting
Financial
Structure Tone
Hover Effects TIAA Corporate Center
TIAA Corporate Center
Dallas, TX
Virtual Design & Construction (VDC)
Corporate Interiors, Financial

When TIAA set out to establish a new corporate hub in Frisco, they needed more than just office space—they needed a dynamic, employee-focused environment. Structure Tone Southwest delivered a nine-floor, first-generation build-out that integrates functionality, flexibility, and wellness-focused amenities to support long-term growth.

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TIAA Corporate Center
TIAA Corporate Center
Dallas, TX
Virtual Design & Construction (VDC)
Corporate Interiors, Financial
Structure Tone Southwest
Hover Effects PepsiCo
PepsiCo
Plano, TX
Building & Site Evaluation
Corporate Interiors

Our continued partnership with PepsiCo at the Frito-Lay Headquarters in Plano, Texas has been rewarding. Nearly two decades after our Dallas team completed the original 520,000sf space, we had the privilege of returning to enhance key areas—prioritizing both functionality and design.

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PepsiCo
PepsiCo
Plano, TX
Building & Site Evaluation
Corporate Interiors
Structure Tone Southwest
Hover Effects University of Pennsylvania, Vagelos Laboratory for Energy Science and Technology
University of Pennsylvania, Vagelos Laboratory for Energy Science and Technology
Philadelphia, PA
Construction Management
Education

The state-of-the-art Vagelos Laboratory for Energy Science and Technology will serve as a hub for the School of Arts and Sciences (SAS) and School of Engineering and Applied Science (SEAS). The new laboratory building consists of seven floors features  highly flexible labs and workstations, faculty offices, administrative suites, and collaborative meeting/workspaces.

learn more >
University of Pennsylvania, Vagelos Laboratory for Energy Science and Technology
University of Pennsylvania, Vagelos Laboratory for Energy Science and Technology
Philadelphia, PA
Construction Management
Education
LF Driscoll
Hover Effects Prologis Ports Jersey City
Prologis Ports Jersey City
Jersey City, NJ
Building & Site Evaluation
Industrial

A former Superfund landfill redevelopment, this project had a two-year break between phases before base construction.

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Prologis Ports Jersey City
Prologis Ports Jersey City
Jersey City, NJ
Building & Site Evaluation
Industrial
RC Andersen
Hover Effects Columbia University, Vagelos College of Physicians & Surgeons Vagelos Innovation Laboratories
Columbia University, Vagelos College of Physicians & Surgeons Vagelos Innovation Laboratories
New York, NY
Construction Management
Academia, Life Sciences

Columbia University partnered with LF Driscoll Healthcare to manage the preconstruction and construction of a new eight-story electric laboratory building. Clad in a unitized curtain wall and a UHPC metal panel system, this facility will include wet laboratories, adjacent support, and administrative spaces to accommodate more than 30 principal investigators and their support staff.

learn more >
Columbia University, Vagelos College of Physicians & Surgeons Vagelos Innovation Laboratories
Columbia University, Vagelos College of Physicians & Surgeons Vagelos Innovation Laboratories
New York, NY
Construction Management
Academia, Life Sciences
LF Driscoll
Hover Effects Erewhon Market
Erewhon Market
Santa Monica, CA
Building Repositioning
Building Repositioning, Retail

An award-winning space for upscale, sustainable foods, plus a trendy spot to dine in Santa Monica.

learn more >
Erewhon Market
Erewhon Market
Santa Monica, CA
Building Repositioning
Building Repositioning, Retail
Abbott Construction
Hover Effects Arsenal Trade Center
Arsenal Trade Center
Sayreville, NJ
Building & Site Evaluation
Industrial

This project included a full sitework package that was developed on a 73-acre site.  Building trades were sequenced to work continuously to limit remobilization cost and sequenced to minimize the overall construction schedule.

learn more >
Arsenal Trade Center
Arsenal Trade Center
Sayreville, NJ
Building & Site Evaluation
Industrial
RC Andersen

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

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Industry Insights

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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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