Private company

Thornton Tomasetti

Logo: TT marketing, CC BY-SA 4.0, via Wikimedia Commons4

American scientific and engineering consulting firm

Thornton Tomasetti is an American engineering consulting firm headquartered in New York City, United States. It operates globally and employs over 2,000 people.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1956Founded1
  • HeadquartersNew York City1
  • Legal formBusiness Corporation3
  • LEI549300ZN4Y2YGQIW79223
  • StatusActive3
  • LEI statusLapsed (not renewed)3
  • Registered addressC/O CORPORATION SERVICE COMPANY, 12207 Albany, United States3
  • Registered withCorporation and Business Entity Database (Division of Corporations, State Records and UCC, Department of State), 448333

Thornton Tomasetti is an American engineering consulting firm headquartered in New York City, United States. It operates globally and employs over 2,000 people.2

Timeline

  1. 1956Founded Founded1

Funding

Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.

Money received by year$101.5M 2008–2026
Without federal contracts$250.0K 2010–2010
Without federal contractsWithout federal contracts, 2010–2010: $250.0K in all. Federal grants $250.0K.$0$100K$200K$300K2010 · Federal grants: $250.0K2010
Figures by year
YearFederal grantsFederal contractsTotal
2026–$16.0M$16.0M
2025–$3.6M$3.6M
2024–$6.5M$6.5M
2023–$3.0M$3.0M
2022–$1.7M$1.7M
2021–$805.1K$805.1K
2020–$4.9M$4.9M
2019–$6.3M$6.3M
2018–$1.4M$1.4M
2017–$3.8M$3.8M
2016–$5.9M$5.9M
2015–$3.5M$3.5M
2014–$4.7M$4.7M
2013–$5.8M$5.8M
2012–$8.5M$8.5M
2011–$6.0M$6.0M
2010$250.0K$6.7M$6.9M
2009–$6.2M$6.2M
2008–$6.1M$6.1M

Federal awards

Obligated amounts from USAspending.gov5, by calendar year, 2008–2026, for 7 registered units, including subsidiaries under the same parent. Obligations are what agencies committed, not always what was paid out. Contracts pay for goods and services; grants, loans and direct payments are assistance. Loans are charted at the face value of the loans listed here. An award’s amount below is its lifetime total, and some began before the years charted.

Largest grants

  1. Feb 9, 2010$150.0K from Department of Energy: Office Of Science Financial Assistance Program6 To WEIDLINGER ASSOCIATES, INC. Award DESC0003347
  2. Jul 1, 2010$100.0K from National Institutes of Health: National Center For Research Resources7 To WEIDLINGER ASSOCIATES, INC. Award R43RR028188

Largest contracts

  1. Feb 2, 2006$37.6M from Department of the Army: Usa engineer district new york weidlinger associates inc hudson st fl new york ny new york new york new york architect-engineering services 8 To WEIDLINGER ASSOCIATES, INC. Award W912DS06C0001
  2. Aug 9, 2021$11.3M from Department of the Navy: Navy ship shock survivability and qualification9 To THORNTON TOMASETTI, INC. Award N0016721F3014
  3. Sep 23, 2026$10.0M from National Science Foundation: Sac peak controlled demolition of dst building to remediate the remaining mercury trapped in the building.10 To THORNTON TOMASETTI, INC. Award 49100426F0159
  4. Mar 22, 2006$4.0M from Defense Threat Reduction Agency11 To WEIDLINGER ASSOCIATES, INC. Award HDTRA106C0002
  5. Jul 10, 2026$3.1M from National Science Foundation: Sac peak mercury draining efforts12 To THORNTON TOMASETTI, INC. Award 49100426F0083