United States · Federal contract register · Supplier record

STS OPERATING INC

Line: Heat exchangers and steam condensers (4420)Register loaded to September 2026Compiled 6 October 2026

STS OPERATING INC — United States · Federal contract register · Supplier record: 13 contracts, all years ($1,943,418 · Nov 2018 – May 2026); $67.2K since January 2024 (4 contracts · 2 agencies); — rank in the line (of 228 suppliers · 0.0%); 12 agencies never served ($6.1M on the line without STS OPERATING INC).

Assay record ASY-US-00LGOD91F7 · Cite as: Assay Systems, “STS OPERATING INC in the USAspending register”, https://assay-systems.com/register/us/sts-operating-inc/

13
contracts, all years
$1,943,418 · Nov 2018 – May 2026
$67.2K
since January 2024
4 contracts · 2 agencies
—
rank in the line
of 228 suppliers · 0.0%
12
agencies never served
$6.1M on the line without STS OPERATING INC

Own record by year

2019 onward
$37.3K
$28.7K
$430K
$1.3M
$48.4K
$10.8K
$8.0K
20192020202120222023202420252026

Who buys from STS OPERATING INC

since January 2024
2agencies
$67.2Kpaid
88.1%top buyer
Department of Defense88.1%
$59,190
Department of Homeland Security11.9%
$8,000

The line

since January 2024
$82.1Mline value
821contracts
14agencies
228suppliers
52.7%held by top ten

Heat exchangers and steam condensers (4420)

$17.8M
$40.3M
$23.9M
202420252026Jan–Sep
—of 228 suppliers
$0STS OPERATING INC in the line
0.0%share of the line

Agencies that buy the line and never bought from STS OPERATING INC

12agencies
79contracts
$6,122,334since January 2024
Department of Veterans Affairs22 contracts
$1,502,186
Department of Justice14 contracts
$1,465,109
Department of the Interior9 contracts
$1,206,806
Department of State15 contracts
$489,234
Department of the Treasury3 contracts
$428,209
National Aeronautics and Space Administration2 contracts
$347,238
Department of Agriculture4 contracts
$202,272
District of Columbia Courts1 contract
$200,000
Department of Commerce3 contracts
$127,575
Department of Health and Human Services2 contracts
$81,172
Department of Transportation3 contracts
$60,520
Smithsonian Institution1 contract
$12,013

How the line is bought

by value, since 2024
17%no competition
32%one applicant
0of these to STS OPERATING INC
Competed, several suppliers applied528 contracts
$41,983,132 · 51.1%
Competed, one supplier applied194 contracts
$26,541,381 · 32.3%
Awarded directly, no competition99 contracts
$13,560,743 · 16.5%

Contracts reaching their end dates

Oct 2026 – October 2027
112contracts
$16,817,788end by October 2027
22end in November 2026 · $1.7M
9in agencies never served · $797K
$1.8M
$1.7M
$1.5M
$2.2M
$2.3M
$5.1M
$7.1K
$252K
$788K
$382K
$215K
$340K
$183K
Oct 2619 contractsNov 2622 contractsDec 2617 contractsJan 2716 contractsFeb 2713 contractsMar 278 contractsApr 272 contractsMay 272 contractsJun 273 contractsJul 275 contractsAug 272 contractsSep 272 contractsOct 271 contract

The extract

Every buying office, every contract holder, value, number and end date behind the figures above.

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.