contract_award•Awarded Thursday, August 27, 2026Analyzed

SOUTHERN OHIO CLEANUP COMPANY LLC: $369M Department of Energy Contract

Bullish

Summary

Amentum Holdings ($AMTM) received a $369M DOE task order for decontamination and decommissioning at Portsmouth over 6 years, adding roughly $61.5M per year to its environmental backlog. While the award is a positive signal for Amentum's core cleanup business, its modest size relative to $7.9B revenue limits the near-term financial impact.

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Key Takeaways

  • 1.Amentum wins $369M DOE D&D task order, adding ~$61.5M per year to backlog.
  • 2.Revenue impact is modest at ~0.78% of total revenue; not a transformative catalyst.
  • 3.Subcontractors in radioactive waste handling (e.g., PESI) may benefit from increased activity.
  • 4.No direct legislative catalyst, but the contract fits within ongoing DOE cleanup efforts funded by annual appropriations.

Market Implications

Amentum's stock ($AMTM) may see a small positive reaction as the market prices in backlog growth, but the 0.78% revenue contribution limits upside. The broader signal is that DOE cleanup spending remains stable, benefiting environmental remediation contractors. Investors should monitor Amentum's total backlog growth and margin trends; this award alone does not change the company's path to profitability given its $314M net loss. Downstream, specialty waste firms like Perma-Fix ($PESI) could see incremental demand, though the contract size is too small to drive major gains. The lack of direct legislative tailwinds means this is a routine program execution award.

Full Analysis

  1. The contract: Southern Ohio Cleanup Company LLC, a subsidiary of Amentum Holdings, was awarded a $369M delivery order from the Department of Energy for decontamination and decommissioning (D&D) at the Portsmouth site. The work runs from September 2025 through September 2031, making it a six-year engagement. 2) The public company beneficiary: Amentum Holdings ($AMTM) is the parent company. With FY2025 revenue of $7.9B, this contract represents roughly 0.78% of annual sales—a meaningful but not transformative addition. Amentum's environmental and nuclear segment is a core growth area, and multi-year DOE awards provide visibility into backlog. 3) Connection to legislation: No specific bill directly authorizes this task order. Related legislation identified in HillSignal is mostly neutral and unrelated to nuclear cleanup. HR10151 (Safe Drinking Water amendments) is bullish on infrastructure but not directly connected to this contract. 4) Supply chain winners: Amentum will likely subcontract specialty waste management and remediation firms. Potential beneficiaries include Perma-Fix Environmental Services ($PESI) for radioactive waste treatment, and US Ecology (part of Republic Services, $RSG) for disposal. Smaller pure-plays like US Nuclear Corp. ($UCLE) could also see indirect demand. 5) Historical pattern: DOE D&D contracts are typically cost-reimbursable, providing stable revenue streams. Past similar awards (e.g., Hanford cleanup) have supported steady revenue growth for contractors like CH2M (now part of Jacobs) without triggering large stock rallies. Amentum's stock tends to move on broader government spending trends and earnings beats rather than single task orders of this size.

Intelligence Surface

Cross-referenced against federal contracts, SEC insider filings & congressional trade disclosures

Unconfirmed

No confirming evidence found yet from contracts, insider trades, or congressional activity

$$AMTM▲ Bullish
Est. $50.0M – $70.0M revenue impact
①

What the bill does

direct award of a delivery order under an existing DOE contract for decontamination and decommissioning services at the Portsmouth site.

②

Who must act

Department of Energy awards the task order to Southern Ohio Cleanup Company LLC (a wholly owned subsidiary of Amentum Holdings).

③

What happens

Approximately $61.5M in annual revenue added to Amentum's environmental management backlog, representing ~0.78% of FY2025 revenue of $7.9B.

④

Stock impact

Amentum's Environmental & Nuclear segment directly benefits. The contract provides stable, multi-year cash flow from a core government cleanup franchise, though the size is modest relative to total revenue. Amentum's net loss of $314M on $7.9B revenue indicates margin pressure; this contract alone will not reverse that but supports backlog health.

Related Presidential Actions

Executive orders & memoranda affecting the same sectors or companies

presidential_memorandumSep 16, 2026

Restoring Reciprocity in Government Procurement

This Presidential Memorandum directs the Office of Management and Budget, the U.S. Trade Representative, and other federal agencies to identify and remove Canadian-origin items from federal civil procurement where possible, citing Canada's 'Buy Canadian' policies as discriminatory. It also requires agencies to be notified of domestic alternatives and mandates ongoing monitoring of Canada's procurement practices, with provisions for restoring access if Canada changes its policies.

Exec OrderSep 16, 2026

Providing Meaningful Water Quality Improvements Through Collaboration and Oversight of Federal Support

This executive order revokes Executive Order 13508, which had mandated Chesapeake Bay restoration efforts, and directs federal agencies to prioritize funding for direct, on-the-ground water quality projects. It also instructs the EPA to work with states to assess and encourage the repeal of stormwater management fees (rain taxes) that have burdened residents, aiming to reduce costs while maintaining environmental progress.

proclamationSep 8, 2026

Adjusting Certain Delegations Under the Defense Production Act

This proclamation amends Executive Order 13603 to share authority under the Defense Production Act for energy matters between the Secretary of the Interior and the Secretary of Energy, allowing each to act independently, and directs inter-agency dispute resolution via the National Energy Dominance Council and National Security Council, with coordination from the Department of War when national defense is implicated.

Contract Details

Recipient

SOUTHERN OHIO CLEANUP COMPANY LLC

Award Amount

$368,804,998

Awarding Agency

Department of Energy

Sub-Agency

Department of Energy

Contract Type

DELIVERY ORDER

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