MAINSTREAM CONTRACTING LLC — United States · Federal contract register · Supplier record: 5 contracts, all years ($649,669 · May 2023 – Aug 2024); $128K since January 2024 (1 contract · 1 agency); — rank in the line (of 117 suppliers · 0.0%); 9 agencies never served ($3.7M on the line without MAINSTREAM CONTRACTING LLC).
Assay record ASY-US-0IX0N700EG · Cite as: Assay Systems, “MAINSTREAM CONTRACTING LLC in the USAspending register”, https://assay-systems.com/register/us/mainstream-contracting-llc/
5
contracts, all years
$649,669 · May 2023 – Aug 2024
$128K
since January 2024
1 contract · 1 agency
—
rank in the line
of 117 suppliers · 0.0%
9
agencies never served
$3.7M on the line without MAINSTREAM CONTRACTING LLC
Own record by year
2023 onward
$521K
$128K
2023202420252026
Who buys from MAINSTREAM CONTRACTING LLC
since January 2024
1agencies
$128Kpaid
100.0%top buyer
Department of Homeland Security100.0%
$128,250
Before 2024 only: Department of Agriculture, Department of Defense.
The line
since January 2024
$82.7Mline value
188contracts
12agencies
117suppliers
85.9%held by top ten
Iron and steel primary and semifinished products (9640)
$15.0M
$30.7M
$37.0M
202420252026Jan–Sep
—of 117 suppliers
$0MAINSTREAM CONTRACTING LLC in the line
0.0%share of the line
Agencies that buy the line and never bought from MAINSTREAM CONTRACTING 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.