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

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    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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    STOBG Insights Magazine

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

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    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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    • 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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Safety Archives | 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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Safety Tag
Greg Dunkle, Robert Labbe, and Jeff Matthews ?>

Strong Foundations: Supporting Mental Health in Construction

May 15, 2026
in Podcast
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What does it take to lead with authenticity, build trust, and create lasting impact in construction? In this special Women’s History Month episode of Building Conversations, host Christie Mullen—Director of Business Development at Structure Tone New Jersey—sits down with Wendy...

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STOBGs Corporate Responsibility Report ?>

STO Building Group (STOBG) Releases 2026 Corporate Responsibility Report, Showcasing Industry Leading Progress in Sustainability, People, and Community Impact

February 24, 2026
in Sustainability & Wellness
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NEW YORK, NY (February 24, 2026) — STO Building Group (STOBG) has published its 2026 STOBG Cares Corporate Responsibility Report, highlighting the company’s continued commitment to building responsibly and driving positive impact across...

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GO to Ask the Expert: Safety Innovations with Keith Haselman ?>

Ask the Expert: Safety Innovations with Keith Haselman

June 6, 2025
in Uncategorized
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In the latest episode of the Ask the Expert series on the Building Conversations podcast, STOBG’s Senior Vice President of Safety,...

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A group of workers listening to a presentation in an auditorium. ?>

LF Driscoll Achieves National Safety Milestone at Philadelphia Hospital

May 22, 2025
in LF Driscoll, Safety 360
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LF Driscoll Achieves National Safety Milestone at Philadelphia Hospital The firm’s work at HUP has achieved a record 20 years as a “star” OSHA site Philadelphia, PA (May 22, 2025) – Philadelphia-based construction...

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Safety 360º Awards ?>

STO Building Group (STOBG) Announces Winners of 2024 Safety 360° Excellence Awards

December 17, 2024
in LF Driscoll, New York, Safety 360, Woodbridge
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NEW YORK, NY (December 17, 2024) – STO Building Group (STOBG) has announced the winners of our annual Safety 360° Excellence Awards, now in its second year. These awards identify and celebrate projects and...

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GO to Communicating To Weather The Storm ?>

Communicating To Weather The Storm

August 7, 2023
in Ajax, Safety 360
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It’s Hurricane Season, and we know that the best time to prepare for a storm is before it’s even in the forecast. Marc Reeves, Ajax Building Company’s Florida-based director of safety and risk management,...

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Michael “MC” Contreras, Structure Tone Southwest ?>

Machine Learning Takes Safety to The Next Level

June 8, 2023
in Austin, Dallas, Houston, Safety 360, San Antonio, Technology, Technology & Innovation
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Machine learning takes safety to the next level. Construction technology expert Michael “MC” Contreras shares how we’re training AI to make the jobsite even safer. https://www.youtube.com/watch?v=nyRMkiusbGc...

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Pavarini North East ?>

Pavarini North East Safety 360 Culture

June 1, 2023
in Stamford
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What does Safety 360° mean to Pavarini North East? Responsibility. Awareness. Mindset. Culture. Everybody, everywhere, every day – at work or at home. https://www.youtube.com/watch?v=9QgxoQY4i00...

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RC Andersen Safety Video ?>

RC Andersen’s Safety 360 Culture

November 8, 2022
in Safety 360
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Safety is more than an obligation—it’s a mindset. At RC Andersen, safety also means looking out for one another, specifically on job sites, resulting in minimal injuries and incidents on project sites—a true testament to the company’s Safety 360° culture....

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Mental Health & Safety: Be Present, Be Focused, Be Safe ?>

Mental Health and Safety: Be Present, Be Focused, Be Safe

May 25, 2022
in Dublin, Wellbeing
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Although mental health awareness is at an all-time high, it continues to be referred to as “the silent epidemic” within the construction industry. And while this is certainly concerning from an employee health and wellness perspective, it is also inextricably...

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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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