Sterling Infrastructure, Inc. STRL is shifting the Transportation Solutions business toward higher-margin work as it redirects resources to E-Infrastructure. This strategy is putting pressure on Transportation revenues but supporting profitability through a more selective project mix. The key factor is whether margin improvement can offset lower revenues as the company reduces its exposure to lower-margin highway projects.
In the second quarter of 2026, Transportation Solutions revenues declined 20% year over year. However, adjusted operating margin increased more than 500 basis points to 19.5%, while adjusted operating income rose 8%. The segment’s backlog reached $969 million, up 35% year over year. The divergence between revenues and operating income suggests that the segment benefited from a more favorable project mix and better profitability. Sterling is also winding down lower-margin, low-bid-heavy highway work in Texas, reducing its exposure to projects that offer less attractive returns. These changes are helping the segment generate higher operating income despite lower revenues.
Looking ahead, Sterling expects Transportation Solutions revenues to decline 7-10% in 2026. At the same time, adjusted operating margin is expected to expand 150-200 basis points. This outlook reflects the company’s focus on improving project economics rather than prioritizing revenue growth alone. However, lower revenues may limit the benefit of margin expansion, making operating income an important measure of the strategy’s effectiveness.
Overall, Sterling’s Transportation Solutions business is entering a period of lower revenues but better expected margins. The extent to which profitability improves will depend on project execution, the pace of the shift toward higher-margin work and the segment’s ability to manage the impact of declining revenues.
Sterling and Its Key Infrastructure Competitors
Sterling competes with EMCOR Group, Inc. EME and MasTec, Inc. MTZ across infrastructure markets, although the companies differ in service offerings and end-market exposure.
EMCOR provides electrical and mechanical construction, building services and industrial services. The company focuses on project execution, operational efficiency and cost control across complex construction and service activities. Exposure to electrical infrastructure and building systems also positions EMCOR to serve a range of customer needs. However, project mix, labor availability and execution costs remain important factors influencing profitability.
MasTec operates across telecommunications, power delivery, clean energy and infrastructure, pipeline infrastructure and other construction markets. This diversified business mix provides exposure to several infrastructure investment areas, including utility upgrades, power generation and data center-related demand. MasTec’s results depend on project execution, resource allocation and demand across individual end markets. Differences in project schedules and customer spending can also create variability across its businesses.
STRL Stock’s Price Performance & Valuation Trend
Shares of this Texas-based infrastructure services provider have gained 67.5% in the year-to-date ("YTD") period, outperforming the Zacks Engineering - R and D Services industry, the broader Construction sector and the S&P 500 Index.
STRL Price Performance (YTD)
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STRL stock is currently trading at a discount compared with its industry peers, with a forward 12-month price-to-earnings (P/E) ratio of 20.91, as shown in the chart below.
STRL Valuation (P/E F12M)
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Earnings Estimate Revision for STRL
Sterling’s 2026 earnings estimate remained unchanged at $20.02 per share, while the 2027 estimate moved upward to $25.80 over the past 30 days. The estimates imply year-over-year earnings growth of 84% in 2026 and 28.9% in 2027.
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Sterling stock currently carries a Zacks Rank #2 (Buy). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.
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