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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
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    • 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
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    Expertise

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    • Technology & Innovation
    • Virtual Design & Construction
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  • 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
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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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Martin O'Neill | 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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Leadership Bio

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Martin O'Neill
Senior Vice President
STO Mission Critical

Martin J. O’Neill has joined the STO Building Group (STOBG) as senior vice president of operations of our growing STO Mission Critical team. In this position, Martin will help lead the group in its continued growth and expansion in the strong data center market.

Martin has spent the last 20 years building data centers and helped develop a successful construction management and design-build business at AECOM Tishman that built over 40Msf of hyperscale and enterprise data centers across the US. His expertise spans from leading project development teams and developing procurement strategies to understanding and developing the best approach to meet client needs while managing the corporate risks involved.

At STOBG, Martin will focus on the day-to-day operations and project execution of the Mission Critical team. He will also work directly with Terence Deneny, senior vice president of Mission Critical, on client strategy and supporting the growth of the business.

“Martin is a well-known leader in the Mission Critical market and brings years of experience with all types of data center facilities,” says John White, Jr., regional chief operating officer. “His knowledge, leadership, and relationships across the industry will undoubtedly help Terence and our Mission Critical team continue to grow and serve the construction needs of data center owners across the globe.”

Martin has earned several awards and accolades throughout his career, including being named one of the top 20 under 40 construction professionals in 2013 by ENR. He also serves on the advisory board for 7×24 Chapter of New England.

Back To Leadership

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

  • Insights Magazine
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Contact Us

Locations

Business Development
bd@stobuildinggroup.com
Careers
careers@stobuildinggroup.com
Press
press@stobuildinggroup.com

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STO Building Group (STOBG) is an equal opportunity employer. 

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