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Columbia Energy & Environmental Services, INC.

Customers

4 prime contractors

Suppliers

None disclosed

Largest customer

—

No % disclosed

Named-customer revenue

—

No estimate available

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 subcontracts received 4

Prime contractors that subcontracted federal work to this company. 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	Trend	Largest subaward
Triad National Security, LLC	$44.7M	FY 2026	6	$15.0M → $44.7M	89233218CNA000001
COLUMBIA ENERGY MASTER OFFSITE MACHINING AND FABRICATION Prime award 89233218CNA000001 on USAspending.gov ↗ Subaward CW107007: $19.9M · Department of Energy (DOE)
Triad National Security LLC	$7.5M	FY 2026	2	$1.4M → $7.5M	89233218CNA000001
SCORPIUS - VACUUM PLENUMS B - STANDALONE Prime award 89233218CNA000001 on USAspending.gov ↗ Subaward CW126275: $3.7M · Department of Energy (DOE)
AMTM Amentum Holdings, Inc.	$4.8M	FY 2023	4		DEEM0001971
SCA ANCILLARIES Prime award DEEM0001971 on USAspending.gov ↗ Subaward PO519397: $4.6M · Department of Energy (DOE)
Hanford Laboratory Management And Integration LLC	$1.1M	FY 2024	1		89303320CEM000075
OMNILIMS ANNUAL LICENSE AND TECHNICAL SUPPORT Prime award 89303320CEM000075 on USAspending.gov ↗ Subaward 89418: $1.1M · Department of Energy (DOE)

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