Wesco can be traced back to the late 1800s but was officially founded in 1922, acting as the distribution arm of Westinghouse Electric... Show more
Wesco International's third-quarter 2026 report matters because it offers a real-time read on industrial distribution demand and the rapid build-out of data center infrastructure. The company has now delivered five consecutive quarters of double-digit sales growth, powered in large part by its data center business, which has become a margin-accretive pillar of the portfolio. Investors were watching whether that momentum could persist against increasingly difficult year-over-year comparisons, as well as whether Wesco could convert growth into stronger profitability and free cash flow. With backlog, margins, and guidance all moving higher, the results reinforce the company's positioning in electrical and communications distribution at a moment of elevated infrastructure investment.
For the third quarter ended September 30, 2026, Wesco International reported record net sales of $7,226.4 million, an increase of 16.6% from $6,199.1 million in the prior-year period. Organic sales growth was also 16.6%, reflecting volume gains across all three business segments.
GAAP diluted earnings per share were $5.43, up 43% from $3.79 a year earlier, while adjusted diluted EPS came in at $5.77, a 47% increase. Both measures landed well above consensus, which had anticipated adjusted EPS near $4.69 on revenue of approximately $6.87 billion.
Operating income rose 30.5% to $450.8 million, with operating margin improving 60 basis points to 6.2%. Adjusted EBITDA (earnings before interest, taxes, depreciation, and amortization) margin expanded 100 basis points to 7.8%. Free cash flow swung to $184 million from a $89.3 million outflow a year earlier, and net leverage improved to 2.8x net debt to adjusted EBITDA, down from 3.4x at year-end 2025.
Data center sales reached a record $1.8 billion, up about 55% year over year, while total backlog climbed roughly 80% to a record level for each of the company's three business units. Management also raised its full-year 2026 outlook, now projecting sales of approximately $26.8 billion to $27 billion, an adjusted EBITDA margin near 7.2%, and adjusted EPS of $18.00 to $18.50.
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Shares of Wesco International traded higher following the release, as investors responded to a top-and-bottom-line beat, a return to positive free cash flow, and a raised full-year outlook. The market's focus centered on the durability of data center demand, which grew roughly 55% to $1.8 billion and now represents about 23% of trailing twelve-month sales. Strong backlog growth across all three business units also signaled sustained demand visibility, while the improvement in net leverage supported the balance sheet narrative. Sentiment remained constructive, though attention turned quickly to whether preliminary October sales momentum — described by management as up in the high teens per workday — can carry into the fourth quarter.
Management's raised guidance sets a higher bar for the fourth quarter, with expectations for low-to-mid-teens reported sales growth and roughly 50 basis points of adjusted EBITDA margin expansion versus the prior year. Investors should watch whether data center sales can maintain their trajectory against increasingly tough comparisons, since that segment has been the primary driver of both growth and margin accretion.
Working capital and free cash flow will remain a key focus. Wesco's asset-light model relies on disciplined inventory and receivables management, particularly as large, long-cycle projects lengthen cash conversion timelines. Continued free cash flow generation would support the company's deleveraging story and its capital allocation priorities.
Finally, monitor the broader industrial and utility spending environment. The company's diversified portfolio — spanning electrical, communications, and utility distribution — remains sensitive to infrastructure investment cycles, public power spending trends, and broader economic conditions. Any shift in these demand drivers could influence both order activity and the pace of backlog conversion in the quarters ahead.
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a distributer of electrical and industrial products
Industry ElectronicsDistributors