TERRAPHASE ENGINEERING INC — United States · Federal contract register · Supplier record: 12 contracts, all years ($620,958 · Mar 2018 – Aug 2025); $135K since January 2024 (3 contracts · 2 agencies); — rank in the line (of 203 suppliers · 0.0%); 8 agencies never served ($65.4M on the line without TERRAPHASE ENGINEERING INC).
Assay record ASY-US-003R2481RI · Cite as: Assay Systems, “TERRAPHASE ENGINEERING INC in the USAspending register”, https://assay-systems.com/register/us/terraphase-engineering-inc/
12
contracts, all years
$620,958 · Mar 2018 – Aug 2025
$135K
since January 2024
3 contracts · 2 agencies
—
rank in the line
of 203 suppliers · 0.0%
8
agencies never served
$65.4M on the line without TERRAPHASE ENGINEERING INC
Own record by year
2019 onward
$56.6K
$125K
$292K
$13.1K
$119K
$15.5K
20192020202120222023202420252026
Who buys from TERRAPHASE ENGINEERING INC
since January 2024
2agencies
$135Kpaid
82.9%top buyer
Department of Agriculture82.9%
$111,820
Department of Health and Human Services17.1%
$23,118
Before 2024 only: Department of Justice, Department of Transportation, Department of the Interior.
The line
since January 2024
$69.0Mline value
485contracts
13agencies
203suppliers
61.5%held by top ten
Water quality support (F103)
$28.4M
$29.4M
$11.3M
202420252026Jan–Sep
—of 203 suppliers
$0TERRAPHASE ENGINEERING INC in the line
0.0%share of the line
Agencies that buy the line and never bought from TERRAPHASE ENGINEERING INC
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.