BWXT · CIK 1486957
What BWX Technologies, Inc. told the SEC could break it.
BWX Technologies' results ride overwhelmingly on a single customer: the U.S. Government, which was about 68% of consolidated revenue in 2025 (and 91% of its Government Operations segment), so cuts to U.S. defense or Department of Energy spending would hit it directly. On the supply side, it depends on a limited number of suppliers — several of them single-source — for materials used across both its government and commercial segments, where the loss of one could halt timely production. It also manufactures heavy nuclear components and medical-radioisotope products in Canada for sale to U.S. customers, so U.S.-Canada tariffs or retaliatory trade measures could raise its costs and erode margins.
3 self-disclosed vulnerabilities, pulled from its own filings, each in the company’s words, with the source. This is the risk register almost nobody reads.
In its own words
What could break it.
Customer concentration
- U.S. Government (68% of consolidated revenue)high
US Government contracts were ~68% of BWXT's total consolidated revenue in 2025 (91% of Government Operations segment revenue); reductions in US defense/DOE spending or funding availability would materially affect results, and government reimbursement obligations are subject to funding availability.
“In the years ended December 31, 2025, 2024 and 2023, U.S. Government contracts accounted for approximately 68 %, 76 % and 75 % of our total consolidated revenues, respectively.”
SEC filing →As of 2026
Sole-source dependency
- single-source suppliers for product materialshigh
BWXT relies on a limited number of suppliers, including several single-source suppliers, for materials in both its Government and Commercial Operations segments; delay or loss of a single-sourced material could prevent timely production.
“We rely on a limited number of suppliers, including several single-source suppliers, for materials used in our products in both our Government Operations and Commercial Operations segments. If the supply of a single-sourced or limited-sourced material is delayed or ceases, we may not be able to produce the related product in a timely manner or in sufficient quantities, if at all, which could adversely affect our revenues and operating results.”
SEC filing →As of 2026
Regulatory & policy
- tariffs on Canada-manufactured nuclear componentsmedium
BWXT manufactures heavy nuclear components and medical-radioisotope products in Canada that may be sold to US customers; US/Canadian tariffs, trade barriers or retaliatory measures would raise component/raw-material costs and could erode margins and competitiveness.
“and other countries, including Canada, where we manufacture heavy nuclear components and products for our medical radioisotopes business that may be sold to US customers. Legislation or actions taken by the U.S. federal government, Canadian government or other foreign governments that restrict trade, such as tariffs, trade barriers, and other protectionist or retaliatory measures, could adversely impact our profitability and ability to sell products and services.”
The hidden graph
Who it depends on, and who depends on it.
Relationships surfaced from filings, including ones disclosed by the other side, which is how the non-obvious ones come to light.
Its suppliers
Fluor Corporation (Fluor Federal Services)
“Savannah River Mission Completion, LLC, a limited liability company formed by BWXT TSG, Amentum Environment & Energy, Inc. and Fluor Federal Services, Inc. was awarded a contract to receive, store, treat and dispose of radioactive liquid waste for the DOE at the Savannah River Site located in Aiken, South Carolina.”
Cited →Amentum Holdings (Amentum Environment & Energy)
“Savannah River Mission Completion, LLC, a limited liability company formed by BWXT TSG, Amentum Environment & Energy, Inc. and Fluor Federal Services, Inc. was awarded a contract to receive, store, treat and dispose of radioactive liquid waste for the DOE at the Savannah River Site located in Aiken, South Carolina.”
Cited →
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