SIGNATURE SCIENCE LLC — United States · Federal contract register · Supplier record: 1,071 contracts, all years ($218,310,016 · Jun 2006 – Aug 2026); $24.9M since January 2024 (453 contracts · 4 agencies); — rank in the line (of 145 suppliers · 0.0%); 6 agencies never served ($63.9M on the line without SIGNATURE SCIENCE LLC).
Assay record ASY-US-0QYV95F068 · Cite as: Assay Systems, “SIGNATURE SCIENCE LLC in the USAspending register”, https://assay-systems.com/register/us/signature-science-llc/
1,071
contracts, all years
$218,310,016 · Jun 2006 – Aug 2026
$24.9M
since January 2024
453 contracts · 4 agencies
—
rank in the line
of 145 suppliers · 0.0%
6
agencies never served
$63.9M on the line without SIGNATURE SCIENCE LLC
Own record by year
2019 onward
$25.8M
$2.0M
$1.6M
$24.1M
$11.8M
$19.0M
$3.6M
$2.2M
20192020202120222023202420252026
Who buys from SIGNATURE SCIENCE LLC
since January 2024
4agencies
$24.9Mpaid
61.7%top buyer
Department of Homeland Security61.7%
$15,335,948
Department of Justice25.0%
$6,220,687
Department of Defense10.6%
$2,631,802
Department of Health and Human Services2.7%
$665,355
Before 2024 only: Department of Commerce, Department of State, Environmental Protection Agency, General Services Administration.
The line
since January 2024
$114Mline value
290contracts
12agencies
145suppliers
84.9%held by top ten
Chemical and biological (B504)
$42.0M
$43.6M
$28.7M
202420252026Jan–Sep
—of 145 suppliers
$0SIGNATURE SCIENCE LLC in the line
0.0%share of the line
Agencies that buy the line and never bought from SIGNATURE SCIENCE LLC
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.