MTRX · CIK 0000866273
What Matrix Service Co. told the SEC could break it.
Matrix Service's disclosures cluster on construction materials and a narrow customer base. Though it has no direct commodity trading exposure, its projects depend on steel plate, steel pipe, and copper, so their price and availability flow into its costs — and domestic and foreign tariffs on steel could raise prices, reduce supply, and cause lower margins, inefficiencies, and project delays. Its revenue is also concentrated: two customers each topped 10% of fiscal 2025 revenue ($133.9M, or 17.4%, in Utilities and Power Infrastructure, and $80.8M, or 10.5%), so losing a significant one would materially affect results.
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.
Commodity & input dependence
- steel plate, steel pipe and coppermedium
Although it has no direct commodity trading exposure, Matrix depends on steel plate, steel pipe and copper as key construction materials, exposing project costs to those commodities' price and availability.
“We have no direct commodity exposure, but we do have exposure to materials derived from certain commodities including steel plate, steel pipe, and copper, which are key materials we use.”
SEC filing →As of 2025
Customer concentration
- two customers (unnamed) — 17.4% and 10.5% of revenuemedium
Two unnamed customers each represented over 10% of fiscal-2025 revenue ($133.9M/17.4% in Utilities & Power Infrastructure, and $80.8M/10.5%); loss of a significant customer could materially affect results.
“One customer accounted for $133.9 million or 17.4% of our consolidated revenue in fiscal 2025, which was primarily included in the Utilities and Power Infrastructure segment. Another customer accounted for $80.8 million or 10.5% of our consolidated revenue in fiscal 2025”
SEC filing →As of 2025
Regulatory & policy
- tariffs on steel raw materialsmedium
Domestic and foreign trade tariffs could raise the price and reduce the availability of steel plate and steel pipe — key materials — causing lower gross margins, inefficiencies and project delays.
“Domestic and foreign trade tariffs could raise the price and reduce the availability of raw materials such as steel plate and steel pipe, which are key materials used by us. Increased costs of raw materials could cause us to experience lower gross margins, operational inefficiencies and project delays.”
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