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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
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  • 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

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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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    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
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    • LF Driscoll
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    • RC Andersen
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    • Structure Tone International
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Mission Critical 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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Mission Critical Projects

Hover Effect SLC 5 & 6
SLC 5 & 6
Bluffdale, UT
Construction Management
Mission Critical

his project covered two separate data center campuses, SLC 05 and SLC 06. SLC 5 included constructing a two-story 10MW data center and upgrading power to two existing data centers on campus.

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SLC 5 & 6
SLC 5 & 6
Bluffdale, UT
Construction Management
Mission Critical
Layton
Hover Effect Data Center | West Jordan, UT
Data Center | West Jordan, UT
West Jordan, UT
Construction Management
Mission Critical

Layton executed a high-stakes expansion of a live data center facility--doubling its footprint while maintaining zero downtime on an active campus. This mission critical project delivered 80MW of additional power capacity across six new data halls and two network operation centers.

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Data Center | West Jordan, UT
Data Center | West Jordan, UT
West Jordan, UT
Construction Management
Mission Critical
Layton
Hover Effect Data Center | Santa Clara, CA
Data Center | Santa Clara, CA
Construction Management
Mission Critical

Starting on a reclaimed brownfield site, Layton constructed a Tier III wholesale data center campus complete with its own electrical substation. The four-story core houses 400,000 SF of data hall space and specialized MPOE/MMR connectivity hubs.

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Data Center | Santa Clara, CA
Data Center | Santa Clara, CA
Construction Management
Mission Critical
Layton
Hover Effect Eir Drogheda
Eir Drogheda
Louth, Ireland
Construction Management
Mission Critical

The Drogheda Exchange Data Centre Upgrade represents a critical investment in Ireland’s national digital infrastructure. Commissioned by Eir, this 2.

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Eir Drogheda
Eir Drogheda
Louth, Ireland
Construction Management
Mission Critical
Structure Tone International
Hover Effect Aungierstown Substation
Aungierstown Substation
Dublin, Ireland
Commissioning
Mission Critical

The Aungierstown Substation is a 110kV, 80MVa, Gas Insulated Switchgear (GIS) facility located in Grange Castle Business Park, Dublin 22. Designed and built by STO Mission Critical in Dublin, this strategic infrastructure development includes a two-storey GIS building, two 80 MVA transformers, lighting and lightning masts, car parking underground ducting services and roads within a 2.

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Aungierstown Substation
Aungierstown Substation
Dublin, Ireland
Commissioning
Mission Critical
Structure Tone International
Hover Effect CyrusOne
CyrusOne
Dublin, Ireland
Commissioning
Mission Critical

Structure Tone Ireland delivered the first phase Data Centre Building for CyrusOne at their flagship Dublin Campus. The project involved the Shell & Core construction Including technical fit-out through to Racks, modelling, management, and commissioning of 18MW in the first building for CyrusOne.

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CyrusOne
CyrusOne
Dublin, Ireland
Commissioning
Mission Critical
Structure Tone International
Hover Effect Bosch
Bosch
General Contracting
Corporate Interiors, Mission Critical

BCCI was selected as general contractor for Bosch’s new Research and Technology Center North America headquarters which expands its Silicon Valley footprint and brings together research, venture capital, and other divisions that were previously housed at three separate locations.

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Bosch
Bosch
General Contracting
Corporate Interiors, Mission Critical
BCCI
Hover Effect QVC Technical Operations Center
QVC Technical Operations Center
Philadelphia, PA
Construction Management
Mission Critical

Structure Tone managed the construction of a new state-of-the-art television Technical Operations Center (TOC) for the world's leading video and e-commerce retailer, QVC. 

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QVC Technical Operations Center
QVC Technical Operations Center
Philadelphia, PA
Construction Management
Mission Critical
Structure Tone
Hover Effect Monroe County Emergency Operations Center (EOC)
Monroe County Emergency Operations Center (EOC)
Construction Management at Risk (CMAR)
Government, Mission Critical, Public Safety

This project consisted of the brand-new construction of a 25,799 square foot, two story building hurricane hardened, federally funded Emergency Operations Center, located on the west end of Marathon Airport property. The elevated two-story cast in place concrete structure (over.

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Monroe County Emergency Operations Center (EOC)
Monroe County Emergency Operations Center (EOC)
Construction Management at Risk (CMAR)
Government, Mission Critical, Public Safety
Ajax
Hover Effect Confidential University Client
Confidential University Client
Princeton, NJ
Construction Management
Education, Mission Critical

Structure Tone provided preconstruction and construction management services for a new 40,000sf, high-performance research computing data center, serving approximately 8,000 faculty and students. 

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Confidential University Client
Confidential University Client
Princeton, NJ
Construction Management
Education, Mission Critical
Structure Tone

Our Family of Builders

  • Abbott Construction
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  • LF Driscoll
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  • RC Andersen
  • Structure Tone
  • Structure Tone International
  • Structure Tone Southwest

Who We Are

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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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