United States · Federal contract register · Supplier record

STI CEMS SERVICES, LLC

Line: Hazard-detecting instruments and apparatus (6665)Register loaded to September 2026Compiled 17 October 2026

STI CEMS SERVICES, LLC — United States · Federal contract register · Supplier record: 40 contracts, all years ($2,203,160 · Mar 2024 – Aug 2026); $2.2M since January 2024 (40 contracts · 3 agencies); 51st rank in the line (of 326 suppliers · 0.16%); 14 agencies never served ($140M on the line without STI CEMS SERVICES, LLC).

Assay record ASY-US-1XAU6221L8 · Cite as: Assay Systems, “STI CEMS SERVICES, LLC: 40 government contracts in the United States since 2024”, https://assay-systems.com/register/us/sti-cems-services-llc/

40
contracts, all years
$2,203,160 · Mar 2024 – Aug 2026
$2.2M
since January 2024
40 contracts · 3 agencies
51st
rank in the line
of 326 suppliers · 0.16%
14
agencies never served
$140M on the line without STI CEMS SERVICES, LLC

Own record by year

2024 onward
$681K
$665K
$857K
202420252026

Who buys from STI CEMS SERVICES, LLC

since January 2024
3agencies
$2.2Mpaid
67.1%top buyer
Department of Defense67.1%
$1,478,449
General Services Administration32.1%
$706,214
Department of Veterans Affairs0.8%
$18,497

Won without a rival

2024-03-28 – 2026-08-24
9uncontested awards
22%of its awards
7without a competition
2single bid

STI CEMS SERVICES, LLC won 9 of its 40 public contract awards in United States without a rival from 2024-03-28 to 2026-08-24, worth $232K: 7 without a competition and 2 after a competition that drew a single bid. 3 buyers awarded it without a rival, the largest Defense Logistics Agency with 6.

Buyers: Defense Logistics Agency (6) · Public Buildings Service (2) · Department of Veterans Affairs (1)

Every uncontested award of STI CEMS SERVICES, LLC · United States: all uncontested awards

The line

since January 2024
$474Mline value
3,670contracts
17agencies
326suppliers
64.5%held by top ten

Hazard-detecting instruments and apparatus (6665)

$100M
$192M
$181M
202420252026Jan–Sep
51stof 326 suppliers
$736,984STI CEMS SERVICES, LLC in the line
0.16%share of the line
0.3%of $270,180,664 spent by Department of Defense

Agencies that buy the line and never bought from STI CEMS SERVICES, LLC

14agencies
247contracts
$140,406,507since January 2024
Department of Homeland Security48 contracts
$124,584,586
Department of the Interior10 contracts
$4,059,527
National Aeronautics and Space Administration2 contracts
$3,412,838
Department of Justice145 contracts
$3,406,495
Department of State8 contracts
$2,123,209
Environmental Protection Agency10 contracts
$916,601
Department of Labor4 contracts
$502,278
Department of Agriculture9 contracts
$484,793
Department of Health and Human Services5 contracts
$346,047
District of Columbia Courts1 contract
$157,455
Department of Energy2 contracts
$150,100
Nuclear Regulatory Commission1 contract
$111,866
Smithsonian Institution1 contract
$78,224
Department of the Treasury1 contract
$72,489

How the line is bought

by value, since 2024
38%no competition
13%one applicant
0of these to STI CEMS SERVICES, LLC
Competed, several suppliers applied3,077 contracts
$230,346,859 · 48.6%
Awarded directly, no competition210 contracts
$180,181,053 · 38.1%
Competed, one supplier applied383 contracts
$62,999,016 · 13.3%

Contracts reaching their end dates

Oct 2026 – October 2027
109contracts
$145,749,546end by October 2027
25end in November 2026 · $10.8M
26in agencies never served · $73.9M
$1.2M
$10.8M
$3.8M
$3.1M
$26.0M
$2.1M
$41.8M
$613K
$1.1M
$39.7M
$5.9M
$9.8M
Oct 2624 contractsNov 2625 contractsDec 2618 contractsJan 276 contractsFeb 277 contractsMar 277 contractsApr 278 contractsMay 271 contractJun 272 contractsJul 276 contractsAug 272 contractsSep 273 contracts

Fastest-growing supplier in the line

same line
+173%growth

Supplier UEI JSTDGZNFP4A3

2024 to Sep 2026
$61,315,860
2022–2023
$22,477,644

The extract

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

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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.