United States · Federal contract register · Supplier record

HART SCIENTIFIC CONSULTING INTERNATIONAL L.L.C.

Line: National defense r&d services; atomic energy defense activities; applied research (AC22)Register loaded to July 2026Compiled 6 October 2026

HART SCIENTIFIC CONSULTING INTERNATIONAL L.L.C. — United States · Federal contract register · Supplier record: 25 contracts, all years ($18,316,962 · Feb 2009 – Jul 2024); $5.3M since January 2024 (4 contracts · 1 agency); — rank in the line (of 43 suppliers · 0.0%); 2 agencies never served ($549K on the line without HART SCIENTIFIC CONSULTING INTERNATIONAL L.L.C.).

Assay record ASY-US-0TBSQI31KP · Cite as: Assay Systems, “HART SCIENTIFIC CONSULTING INTERNATIONAL L.L.C. in the USAspending register”, https://assay-systems.com/register/us/hart-scientific-consulting-international-l-l-c/

25
contracts, all years
$18,316,962 · Feb 2009 – Jul 2024
$5.3M
since January 2024
4 contracts · 1 agency
—
rank in the line
of 43 suppliers · 0.0%
2
agencies never served
$549K on the line without HART SCIENTIFIC CONSULTING INTERNATIONAL L.L.C.

Own record by year

2019 onward
$1.8M
$135K
$559K
$1.2M
$5.3M
20192020202120222023202420252026

Who buys from HART SCIENTIFIC CONSULTING INTERNATIONAL L.L.C.

since January 2024
1agencies
$5.3Mpaid
100.0%top buyer
Department of Defense100.0%
$5,281,780

The line

since January 2024
$460Mline value
101contracts
3agencies
43suppliers
94.5%held by top ten

National defense r&d services; atomic energy defense activities; applied research (AC22)

$122M
$319M
$19.4M
202420252026Jan–Jul
—of 43 suppliers
$0HART SCIENTIFIC CONSULTING INTERNATIONAL L.L.C. in the line
0.0%share of the line

Agencies that buy the line and never bought from HART SCIENTIFIC CONSULTING INTERNATIONAL L.L.C.

2agencies
2contracts
$548,644since January 2024
Department of Transportation1 contract
$348,644
National Aeronautics and Space Administration1 contract
$200,000

How the line is bought

by value, since 2024
39%no competition
52%one applicant
0of these to HART SCIENTIFIC CONSULTING INTERNATIONAL L.L.C.
Competed, one supplier applied31 contracts
$239,804,656 · 52.1%
Awarded directly, no competition39 contracts
$179,864,146 · 39.1%
Competed, several suppliers applied31 contracts
$40,704,637 · 8.8%

Contracts reaching their end dates

Oct 2026 – October 2027
28contracts
$101,761,855end by October 2027
7end in May 2027 · $12.3M
2in agencies never served · $549K
$5.2M
$22.7M
$3.1M
$208K
$349K
$2.0M
$12.3M
$4.4M
$51.6M
Oct 264 contractsDec 266 contractsJan 272 contractsFeb 271 contractMar 271 contractApr 272 contractsMay 277 contractsJun 272 contractsSep 273 contracts

Suppliers next to it in the line

since January 2024
GSI ENVIRONMENTAL INC.1 contract · 1 agency
$139,972
INTELLISENSE SYSTEMS INC1 contract · 1 agency
$139,964
LIQUID ION SOLUTIONS LLC1 contract · 1 agency
$139,812
HART SCIENTIFIC CONSULTING INTERNATIONAL L.L.C.
$0

All 43 suppliers in the line

Fastest-growing supplier in the line

same line
+844%growth

Supplier UEI C1HBCJ9RMBV3

2024 to date
$194,460,674
2022–2023
$20,608,456

The extract

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

Request extractSee a sample extract

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.