United States · Federal contract register · Supplier record

THORNTON TOMASETTI, INC.

Line: Environmental remediation (F108)Register loaded to September 2026Compiled 6 October 2026

THORNTON TOMASETTI, INC. — United States · Federal contract register · Supplier record: 58 contracts, all years ($38,408,556 · Sep 2008 – Sep 2026); $15.1M since January 2024 (8 contracts · 3 agencies); 50th rank in the line (of 953 suppliers · 0.37%); 14 agencies never served ($1.6B on the line without THORNTON TOMASETTI, INC.).

Assay record ASY-US-0HV5VQ611E · Cite as: Assay Systems, “THORNTON TOMASETTI, INC. in the USAspending register”, https://assay-systems.com/register/us/thornton-tomasetti-inc/

58
contracts, all years
$38,408,556 · Sep 2008 – Sep 2026
$15.1M
since January 2024
8 contracts · 3 agencies
50th
rank in the line
of 953 suppliers · 0.37%
14
agencies never served
$1.6B on the line without THORNTON TOMASETTI, INC.

Own record by year

2019 onward
$2.2M
$453K
$11.3M
$831K
$350K
$682K
$500K
$14.0M
20192020202120222023202420252026

Who buys from THORNTON TOMASETTI, INC.

since January 2024
3agencies
$15.1Mpaid
90.8%top buyer
National Science Foundation90.8%
$13,741,502
Department of Transportation5.9%
$895,203
Department of Defense3.3%
$499,991

Before 2024 only: Department of Homeland Security, Department of Justice, Department of the Interior, General Services Administration, National Aeronautics and Space Administration, National Gallery of Art, Securities and Exchange Commission, Smithsonian Institution.

The line

since January 2024
$3.7Bline value
4,163contracts
24agencies
953suppliers
46.6%held by top ten

Environmental remediation (F108)

$1.8B
$1.3B
$652M
202420252026Jan–Sep
50thof 953 suppliers
$13,741,502THORNTON TOMASETTI, INC. in the line
0.37%share of the line
100.0%of $13,741,502 spent by National Science Foundation

Agencies that buy the line and never bought from THORNTON TOMASETTI, INC.

14agencies
1,454contracts
$1,601,433,766since January 2024
Environmental Protection Agency654 contracts
$1,437,102,531
Department of Energy6 contracts
$64,953,007
Department of Veterans Affairs333 contracts
$32,078,432
Department of Agriculture275 contracts
$21,950,131
Department of State10 contracts
$20,089,549
Department of Health and Human Services89 contracts
$15,763,011
Department of the Treasury21 contracts
$4,908,445
Department of Commerce53 contracts
$4,210,127
Department of Housing and Urban Development3 contracts
$159,589
Department of Labor5 contracts
$147,119
National Archives and Records Administration1 contract
$31,900
Social Security Administration1 contract
$14,575
District of Columbia Courts2 contracts
$13,748
Federal Election Commission1 contract
$11,601

How the line is bought

by value, since 2024
19%no competition
12%one applicant
0of these to THORNTON TOMASETTI, INC.
Competed, several suppliers applied2,229 contracts
$2,525,019,961 · 68.9%
Awarded directly, no competition1,261 contracts
$688,598,751 · 18.8%
Competed, one supplier applied673 contracts
$453,370,276 · 12.4%

Contracts reaching their end dates

Oct 2026 – October 2027
816contracts
$941,247,008end by October 2027
122end in December 2026 · $75.6M
337in agencies never served · $453M
$9.8M
$59.5M
$75.6M
$134M
$39.5M
$195M
$108M
$55.3M
$48.1M
$48.8M
$30.3M
$137M
$178K
Oct 2656 contractsNov 2663 contractsDec 26122 contractsJan 27108 contractsFeb 2757 contractsMar 2799 contractsApr 2759 contractsMay 2750 contractsJun 2754 contractsJul 2742 contractsAug 2729 contractsSep 2776 contractsOct 271 contract

Suppliers next to it in the line

since January 2024
THORNTON TOMASETTI, INC.
$13,741,502
CAPE-WESTON JV3 LLC5 contracts · 1 agency
$13,397,032
TECHLAW CONSULTANTS INC15 contracts · 1 agency
$13,038,807
FIDELIS-BBD, LLC1 contract · 1 agency
$12,956,387

All 953 suppliers in the line

The extract

Every buying office, every contract holder, value, number and end date behind the figures above.

Source: USAspending.gov, U.S. Department of the Treasury, Bureau of the Fiscal Service, usaspending.gov, accessed 30 September 2026.The data is available to copy, adapt, redistribute, or otherwise use for non-commercial or for commercial purposes (USAspending.gov, Licensing); no Dun & Bradstreet data is shown.