GCS LLC — United States · Federal contract register · Supplier record: 147 contracts, all years ($25,249,954 · May 2008 – Jul 2026); $6.5M since January 2024 (8 contracts · 3 agencies); 102nd rank in the line (of 645 suppliers · 0.19%); 6 agencies never served ($1.1B on the line without GCS LLC).
Assay record ASY-US-1124Z2H1MY · Cite as: Assay Systems, “GCS LLC in the USAspending register”, https://assay-systems.com/register/us/gcs-llc/
147
contracts, all years
$25,249,954 · May 2008 – Jul 2026
$6.5M
since January 2024
8 contracts · 3 agencies
102nd
rank in the line
of 645 suppliers · 0.19%
6
agencies never served
$1.1B on the line without GCS LLC
Own record by year
2019 onward
$2.1M
$953K
$52.5K
$2.7M
$18.6K
$3.0M
$3.0M
$556K
20192020202120222023202420252026
Who buys from GCS LLC
since January 2024
3agencies
$6.5Mpaid
92.0%top buyer
Department of Agriculture92.0%
$5,955,393
Department of the Interior4.8%
$314,050
Department of Transportation3.2%
$206,970
Before 2024 only: Department of Labor, Department of Veterans Affairs.
The line
since January 2024
$1.7Bline value
1,542contracts
10agencies
645suppliers
41.7%held by top ten
Repair or alteration of highways and roads and streets and bridges and railways (Z2LB)
$761M
$668M
$275M
202420252026Jan–Sep
102ndof 645 suppliers
$3,203,445GCS LLC in the line
0.19%share of the line
0.7%of $463,298,420 spent by Department of Agriculture
Agencies that buy the line and never bought from GCS LLC
6agencies
983contracts
$1,145,387,922since January 2024
Department of Defense938 contracts
$1,086,556,719
General Services Administration12 contracts
$40,491,299
Department of Homeland Security21 contracts
$8,697,371
National Aeronautics and Space Administration1 contract
$5,412,913
Department of Commerce10 contracts
$4,166,970
Department of Justice1 contract
$62,650
How the line is bought
by value, since 2024
7%no competition
3%one applicant
0of these to GCS LLC
Competed, several suppliers applied1,302 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.