AD4K LLC — United States · Federal contract register · Supplier record: 13 contracts, all years ($1,616,605 · Sep 2025 – Aug 2026); $1.6M since January 2024 (13 contracts · 5 agencies); 93rd rank in the line (of 400 suppliers · 0.07%); 5 agencies never served ($3.6M on the line without AD4K LLC).
Assay record ASY-US-1U4SJG61NJ · Cite as: Assay Systems, “AD4K LLC in the USAspending register”, https://assay-systems.com/register/us/ad4k-llc/
13
contracts, all years
$1,616,605 · Sep 2025 – Aug 2026
$1.6M
since January 2024
13 contracts · 5 agencies
93rd
rank in the line
of 400 suppliers · 0.07%
5
agencies never served
$3.6M on the line without AD4K LLC
Own record by year
2025 onward
$544K
$1.1M
20252026
Who buys from AD4K LLC
since January 2024
5agencies
$1.6Mpaid
52.0%top buyer
Department of Defense52.0%
$840,546
Department of Commerce35.3%
$571,124
Department of Homeland Security7.4%
$119,690
Department of the Interior3.3%
$53,800
Department of Veterans Affairs1.9%
$31,446
The line
since January 2024
$965Mline value
1,228contracts
9agencies
400suppliers
55.1%held by top ten
Ships, small craft, pontoons, and floating docks (J019)
$496M
$343M
$125M
202420252026Jan–Sep
93rdof 400 suppliers
$634,851AD4K LLC in the line
0.07%share of the line
0.1%of $846,717,284 spent by Department of Defense
0.9%of $10,012,598 spent by Department of Commerce
Agencies that buy the line and never bought from AD4K 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.