SENTINEL SERVICES, LLC — United States · Federal contract register · Supplier record: 53 contracts, all years ($11,898,570 · Mar 2021 – Oct 2026); $9.5M since January 2024 (37 contracts · 1 agency); 35th rank in the line (of 1,097 suppliers · 0.53%); 21 agencies never served ($173M on the line without SENTINEL SERVICES, LLC).
Assay record ASY-US-0TBKSQT1DW · Cite as: Assay Systems, “SENTINEL SERVICES, LLC in the USAspending register”, https://assay-systems.com/register/us/sentinel-services-llc/
53
contracts, all years
$11,898,570 · Mar 2021 – Oct 2026
$9.5M
since January 2024
37 contracts · 1 agency
35th
rank in the line
of 1,097 suppliers · 0.53%
21
agencies never served
$173M on the line without SENTINEL SERVICES, LLC
Own record by year
2021 onward
$43.6K
$2.4M
$283K
$5.5M
$3.7M
202120222023202420252026
Who buys from SENTINEL SERVICES, LLC
since January 2024
1agencies
$9.5Mpaid
100.0%top buyer
Department of Veterans Affairs100.0%
$9,458,188
Before 2024 only: Department of Agriculture, Department of the Interior.
The line
since January 2024
$319Mline value
2,301contracts
24agencies
1,097suppliers
29.3%held by top ten
Plumbing, heating, and waste disposal equipment (J045)
$105M
$133M
$80.3M
202420252026Jan–Sep
35thof 1,097 suppliers
$1,692,584SENTINEL SERVICES, LLC in the line
0.53%share of the line
1.5%of $115,384,069 spent by Department of Veterans Affairs
Agencies that buy the line and never bought from SENTINEL SERVICES, LLC
21agencies
935contracts
$172,719,318since January 2024
Department of Defense373 contracts
$126,376,923
Department of Commerce53 contracts
$13,221,865
Department of the Treasury8 contracts
$7,582,499
Department of Homeland Security121 contracts
$6,771,826
Department of Justice193 contracts
$5,692,035
Department of Health and Human Services41 contracts
$4,192,376
Department of State52 contracts
$2,675,358
Smithsonian Institution19 contracts
$1,488,359
Environmental Protection Agency6 contracts
$1,410,982
Department of Transportation25 contracts
$1,138,902
Social Security Administration22 contracts
$1,107,573
General Services Administration7 contracts
$334,804
Office of Personnel Management1 contract
$175,984
District of Columbia Courts1 contract
$164,964
Executive Office of the President1 contract
$148,740
Department of Energy6 contracts
$122,698
Merit Systems Protection Board2 contracts
$53,858
Defense Nuclear Facilities Safety Board1 contract
$20,135
National Aeronautics and Space Administration1 contract
$16,320
Agency for International Development1 contract
$11,816
Court Services and Offender Supervision Agency1 contract
$11,300
How the line is bought
by value, since 2024
39%no competition
11%one applicant
0of these to SENTINEL SERVICES, LLC
Competed, several suppliers applied1,093 contracts
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.