ADDON SERVICES LLC — United States · Federal contract register · Supplier record: 1 contracts, all years ($3,581,894 · Sep 2026 – Sep 2026); $3.6M since January 2024 (1 contract · 1 agency); 124th rank in the line (of 438 suppliers · 0.09%); 17 agencies never served ($3.4B on the line without ADDON SERVICES LLC).
Assay record ASY-US-1O1KJ9J1CO · Cite as: Assay Systems, “ADDON SERVICES LLC in the USAspending register”, https://assay-systems.com/register/us/addon-services-llc-4443/
1
contracts, all years
$3,581,894 · Sep 2026 – Sep 2026
$3.6M
since January 2024
1 contract · 1 agency
124th
rank in the line
of 438 suppliers · 0.09%
17
agencies never served
$3.4B on the line without ADDON SERVICES LLC
Own record by year
2026 onward
$3.6M
2026
Who buys from ADDON SERVICES LLC
since January 2024
1agencies
$3.6Mpaid
100.0%top buyer
General Services Administration100.0%
$3,581,894
The line
since January 2024
$4.2Bline value
1,121contracts
18agencies
438suppliers
65.4%held by top ten
Construction of office buildings (Y1AA)
$2.6B
$735M
$849M
202420252026Jan–Sep
124thof 438 suppliers
$3,581,894ADDON SERVICES LLC in the line
0.09%share of the line
0.5%of $762,732,492 spent by General Services Administration
Agencies that buy the line and never bought from ADDON SERVICES LLC
17agencies
1,034contracts
$3,397,373,815since January 2024
Department of State290 contracts
$2,183,534,973
Department of Defense262 contracts
$671,875,125
Department of the Interior329 contracts
$345,069,254
National Aeronautics and Space Administration1 contract
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.