SOUTHERN OHIO CLEANUP COMPANY LLC: $369M Department of Energy Contract
Summary
Amentum Holdings ($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
- 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
No confirming evidence found yet from contracts, insider trades, or congressional activity
What the bill does
direct award of a delivery order under an existing DOE contract for decontamination and decommissioning services at the Portsmouth site.
Who must act
Department of Energy awards the task order to Southern Ohio Cleanup Company LLC (a wholly owned subsidiary of Amentum Holdings).
What happens
Approximately $61.5M in annual revenue added to Amentum's environmental management backlog, representing ~0.78% of FY2025 revenue of $7.9B.
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.
Connected Signals
Matched on shared policy language across AI analyses, with ticker & timing weight
SOUTHERN OHIO CLEANUP COMPANY LLC: $344M Department of Energy Contract
SOUTHERN OHIO CLEANUP COMPANY LLC: $369M Department of Energy Contract
AMENTUM SERVICES, INC.: $21.5M National Aeronautics and Space Administration Contract Vehicle
HANFORD TANK WASTE OPERATIONS & CLOSURE, LLC: $1.6B Department of Energy Contract
Related Presidential Actions
Executive orders & memoranda affecting the same sectors or companies
Declaring a National Emergency to Secure the United States Bulk-Power System
This executive order declares a national emergency to restrict foreign-produced bulk-power system electric equipment that poses national security risks, prohibiting new transactions involving equipment from covered foreign entities and allowing the Secretary of Energy to impose conditions on existing equipment. It directs the Secretary of Energy, in coordination with multiple agencies, to identify, mitigate, and potentially replace risky equipment, and establishes a pre-qualification list for approved vendors.
The National Space Transportation Policy
This memorandum directs multiple agencies to expand and modernize U.S. space launch and reentry infrastructure to support over 1,000 launches annually by 2030, expedite permitting and environmental reviews, develop new federal reentry sites, and strengthen the space transportation industrial base. It mandates range scheduling transparency, spectrum reliability, and workforce development, with specific reports and plans due within 90 to 240 days.
Adjusting Imports of Unmanned Aircraft Systems and Unmanned Aircraft Systems Components into the United States
This proclamation imposes a 100% ad valorem tariff on imports of unmanned aircraft systems (UAS) over 25 kg, those with thermal imagers, docking stations, and certain components, and a 25% tariff on UAS under 25 kg and other components, citing national security under Section 232 of the Trade Expansion Act. It also authorizes the Department of Commerce to establish an onshoring program offering preferential tariff treatment for companies that build new U.S. manufacturing facilities for UAS and components.
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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