Not an SEC registrant

STS Systems Defense LLC

Customers

1 federal agency

Suppliers

5 federal subcontractors

Largest customer

—

No % disclosed

Named-customer revenue

—

No estimate available

Federal obligations

$7.2M

FY2026 · USAspending.gov

Band height is the estimated dollar value: the disclosed share × the discloser's revenue for that period (latest full year where available) or federal dollars obligated. Each side is scaled on its own; dashed outlines are named without a figure. Click a band to open its source.

Federal contracts 1

Agencies that awarded contracts to this company, from USAspending.gov. Dollars are obligated amounts as reported, not estimates; $7.2M in the latest fiscal year shown per agency.

Agency	Obligated	Fiscal year	Awards	Trend	Largest award
Department of Defense Department of the Air Force	$7.2M	FY 2026	19	$2.5M → $15.7M → $79.4M → $7.2M	FA823226FB088
THROUGH THIS CONTRACT, THE GOVERNMENT PROVIDES CYBER DELIVERABLES FOR SOFTWARE OFPS PROGRAM DELIVERABLES, ELECTRICAL INTERFACE COMPONENTS, MECHANICAL COMPONENTS, UNIQUE SUPPORT EQUIPMENT UPGRADES, AND HARDWARE (ON-BOARD AVIONICS). Award FA823226FB088 on USAspending.gov ↗ Largest of 19 awards in FY2026: $5.2M obligated

Federal subcontractors 5

Companies this contractor subcontracted work to on federal prime contracts. From USAspending.gov subaward reports; amounts are as reported by the prime contractor, latest report per subaward, $500K+ a year.

Company	Subawards	Fiscal year	Count	Largest subaward
Machine Tool Marketing INC	$5.4M	FY 2025	2	FA822725F0015
EQUIPMENT, INSTALLATION, RIGGING Prime award FA822725F0015 on USAspending.gov ↗ Subaward SSD39.39: $3.1M · Department of Defense (DOD)
Hartech Group LLC	$2.3M	FY 2025	1	FA822825F0005
EQUIPMENT, INSTALLATION, RIGGING Prime award FA822825F0005 on USAspending.gov ↗ Subaward SSD39.36: $2.3M · Department of Defense (DOD)
Viranim Technical Solutions Corporation	$2.0M	FY 2025	1	FA823225F0031
PENETRATION TESTER AND SUSTAINMENT ENGINEERS Prime award FA823225F0031 on USAspending.gov ↗ Subaward SSD020.031: $2.0M · Department of Defense (DOD)
Hartwig, INC.	$1.9M	FY 2025	1	FA822725F0016
PROVIDE THE BORING MACHINE, CONCRETE WORK, INSTALLATION, AND RIGGING. Prime award FA822725F0016 on USAspending.gov ↗ Subaward SSD39.41: $1.9M · Department of Defense (DOD)
SDS Construction LLC	$863.1K	FY 2025	2	FA822825F0002
LABOR AND MATERIALS BLDG 238 PAA LINE Prime award FA822825F0002 on USAspending.gov ↗ Subaward SD39.34: $777.8K · Department of Defense (DOD)

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