New York, NY
1971
New York, NY
The Structure Tone organization is founded in New York City by Patrick J. Donaghy and Lewis R. Marino.
Garden City, NY
1971
Garden City, NY
IBM hires Structure Tone New York for a project in Garden City, NY – the company’s first Fortune 500 client project.
New York, NY
1971
New York, NY
Structure Tone New York awarded first project for Simplicity Patterns/Velcro at 200 Madison Avenue.
Boston, MA
1985
Boston, MA
The Boston office opens, expanding the business further into the Northeast.
New York, NY
1986
New York, NY
First NYC project with interiors and base building contractor – Structure Tone Interiors – JP Morgan 60 Wall Street (1.3Msf).
New Jersey
1987
Woodbridge, NJ
The company opens a New Jersey office to serve the growing business in the state.
Dallas, TX
1987
Dallas, TX
Constructors & Associates in Dallas, TX becomes part of the Structure Tone organization.
London
1988
London, UK
The Structure Tone organization opens a London, UK office, serving as Construction Management for Olympia & York at Canary Wharf.
New York, NY
1993
New York, NY
Structure Tone New York completes the 920,000sf interior build-out of the new US Courthouse at Foley Square.
New York, NY
1994
New York, NY
Demolition and rehabilitation begins for 2.2Msf at 11 Madison Avenue for MetLife, including new infrastructure and windows.
Connecticut
1996
Stamford, CT
Founded in 1896, Pavarini North East joins the Structure Tone organization, adding interior and new building services for clients throughout Connecticut and the Hudson Valley.
National
1996
National
Structure Tone Boston lands its first project with Fidelity Investments, leading to a 20-year partnership with over 2,000 projects in 39 states and 3 countries.
Pavarini McGovern
2001
Pavarini McGovern
Pavarini McGovern is founded and becomes a member of the Structure Tone organization, bringing core and shell capabilities to the New York City market.
New York, NY
2001
New York, NY
KPMG chooses Structure Tone New York as a partner to manage World Trade Center debris removal after 9/11.
San Antonio, TX
2001
San Antonio, TX
San Antonio office opens, becoming the firm’s third Texas office.
Hollywood, FL
2001
Hollywood, FL
Construction of the 2.2Msf Diplomat Resort and Country Club in Hollywood, FL is completed.
New York, NY
2003
New York, NY
TSP selects Structure Tone New York to build a premiere retail and tourist location in NYC: “Top of the Rock” at 30 Rockefeller Center.
Austin, TX
2004
Austin, TX
Structure Tone Southwest completes the iconic 33-story, 1.1Msf Frost Bank Tower in Austin, TX.
National
2008
National
The Structure Tone organization joins a Strategic National Partnership with OSHA.
LF Driscoll
2009
LF Driscoll
Philadelphia-based LF Driscoll, a leading healthcare builder, joins the Structure Tone organization, marking the company’s entry into the healthcare market.
Honolulu, HI
2010
Honolulu, HI
The new, LEED® Silver University of Hawaii Cancer Center in Honolulu, HI breaks ground.
New York, NY
2011
New York, NY
Structure Tone New York builds its first project using the integrated project delivery (IPD) method with architecture firm HOK for their headquarters in NYC.
Philadelphia, PA
2012
Philadelphia, PA
LF Driscoll completed the Barnes Foundation project Philadelphia campus, which houses, Albert C. Barnes’ world-renowned art collections in galleries that replicate the original Merion, PA galleries.
New York, NY
2013
New York, NY
Structure Tone New York is chosen once again to renovate One Madison Square Park for the third client (MetLife, CSFB and Marriott Edition)
London
2014
London, UK
Structure Tone London completes JP Morgan’s $120M, technology-driven asset management headquarters at 60 Victoria Embankment.
Newark, NJ
2015
Newark, NJ
Fit out by Structure Tone New Jersey, Prudential’s new 20-story global headquarters opens in downtown Newark, NJ.
New York, NY
2015
New York, NY
Structure Tone New York’s renovations of the Macy’s flagship store at Herald Square are completed.
New York, NY
2016
New York, NY
Structure Tone New York finishes the eight-year historic restoration of St. Patrick’s Cathedral in New York City.
Philadelphia, PA
2016
Philadelphia, PA
The new Comcast Technology Center in Philadelphia, PA breaks ground.
Structure Tone
2017
Structure Tone Organization
The Structure Tone organization becomes an employee-owned company.
Govan Brown, CA
2017
Govan Brown
Toronto-based Govan Brown joins STOBG, marking our successful entry into the Canadian market.
STOBG
2017
STO Building Group (STOBG)
The Structure Tone Organization rebranded and is now STO Building Group (STOBG).
Ajax
2018
Ajax
Tallahassee-based Ajax Building LLC, founded in 1958, joins STOBG family of builders.
BCCI
2019
BCCI
BCCI Construction Company, based on the US West Coast, joins the STOBG family of builders.
Layton
2019
Layton
Layton Construction, based in Utah joins the STOBG family of builders with 12 US offices.
Building Conversations
2019
Building Conversations
The STO Building Group (STOBG) launches the Building Conversations podcast.
WarnerMedia
2019
WarnerMedia
Structure Tone New York complete WarnerMedia’s 1.4Msf headquarters at 30 Hudson Yards.
Abbott Construction
2020
Abbott Construction
Abbott Construction, based in Seattle joins the STOBG family of builders with 3 US offices.
Structure Tone Celebrates 50 Years
2021
New York, NY
Structure Tone marked its 50th anniversary in 2021 with a tribute to how far the company has come, including a special Oral History series of the Building Conversations Podcast.
VIEW MOREGo to https://stobuildinggroup.com/structure-tone-50th-anniversary/
Penn Medicine Pavilion
2021
Philadelphia, PA
LF Driscoll completed the 1.5m sf Pavilion, the largest capital project in Penn Medicine’s history, and is home to the Hospital of the University of Pennsylvania’s oncology, cardiovascular care, and neuroscience departments.
VIEW MOREGo to https://stobuildinggroup.com/projects/penn-medicine-pavilion/
Tiffany Crane Award
2021
New York, NY
Structure Tone New York won the TopLift 2021: Sky High Competition award for the Tiffany & Co. Flagship project by International Cranes magazine. The Tiffany project was categorized as “Entry 6 – Perfect Fit.”
RC Andersen
2021
RC Andersen
RC Andersen, based in New Jersey joins the STOBG family of builders with 2 US offices.
LFD Promotion
2022
Philadelphia, PA
LF Driscoll has officially named Kenneth Innella as President of the firm. Mack Stulb, who has previously served as president for over 17 years, has now moved into the company’s CEO position.
VIEW MOREGo to https://stobuildinggroup.com/lf-driscoll-pr-stulb-and-innella-promotions/
BCCI Promotion
2022
San Francisco, CA
BCCI Construction has appointed Dominic Sarica as President of the firm and will continue to serve as CEO. Sarica has partnered with Chief Strategy Officer John Kranz to lead the organization.
RC Andersen Promotion
2022
Fairfield, NJ
Neil Ascione has been named President of RC Andersen, as Robert Andersen, the company’s owner and president since its founding in 2006, will step into the Chief Executive Officer role.
#4 ENR Top 400 Contractors
2022
New York, NY
After a successful two-place leap, STO Building Group (STOBG) now ranks #4 on ENR’s 2022 Top 400 Contractors list.
