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Can Sterling's Margin Profile Improve as Higher-Margin Work Expands?
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Key Takeaways
Sterling's adjusted EBITDA margin rose 150 bps to 22% in Q2'26.
CEC's 140% revenue growth is shifting the mix, while electrical margins remain below site development.
Sterling expects the CEC margin to improve 300-500 bps as lower-margin work fades and productivity rises.
Sterling Infrastructure, Inc. (STRL - Free Report) is benefiting from a shift toward larger and more complex projects across its business. The changing mix of work is an important factor for profitability, particularly as electrical services are growing faster than site development. While this mix can weigh on the consolidated margin rate, the underlying businesses are seeing better project economics. Larger project scopes, improved execution and a greater focus on attractive opportunities are creating conditions for margin improvement.
In the second quarter of 2026, the adjusted EBITDA margin expanded 150 basis points (bps) year over year to 22%. E-Infrastructure’s adjusted operating margin stood at 24%, with margins improving across both site development and electrical operations. However, CEC’s faster growth affected the overall mix because electrical margins remain below those of site development. CEC revenues increased 140%, while site development revenues more than doubled organically. Sterling is also moving resources away from lower-margin transportation work toward higher-margin E-Infrastructure projects.
The company’s margin opportunity extends beyond the current mix. CEC is moving away from certain lower-margin legacy activities, while larger data center projects are helping improve project economics. Sterling also expects margins to benefit as project sizes increase and the business gains more experience on later phases of large projects. Future-phase work generally carries better margins as productivity improves through the project lifecycle.
Operational investments provide another potential margin lever. Sterling is expanding its equipment fleet, developing its workforce and increasing the use of prefabrication at CEC facilities. These efforts are aimed at improving field productivity, lowering costs and supporting execution as project complexity increases. The company also expects 300-500 bps of margin improvement at CEC over 12-18 months as the business moves toward a better mix of projects and exits lower-margin activities.
As higher-margin work expands and individual businesses improve project economics, Sterling’s margin profile has room to strengthen. The near-term mix may remain uneven, but better project selection, productivity and business mix provide several avenues for improvement.
Sterling vs. EMCOR & MasTec: How Do Margin Drivers Compare?
Sterling is seeing margin gains from project selection, execution and a changing business mix. Peers like EMCOR Group, Inc. (EME - Free Report) and MasTec, Inc. (MTZ - Free Report) are also seeing margin improvement, although the underlying drivers differ across businesses and project mixes.
EMCOR’s Electrical Construction segment delivered 210 bps in operating margin expansion, with most of the improvement coming from higher gross profit margins, driven by strong field execution and a more favorable project mix. Building Services also delivered 130 bps in margin expansion, supported by a better project mix, improved execution and a leaner cost structure.
MasTec’s consolidated adjusted EBITDA margin expanded 100 bps year over year, while the Power Delivery margin increased 220 bps sequentially, helped by strong execution and utility infrastructure investment. Pipeline Infrastructure also generated an 18.4% EBITDA margin, supported by project execution and favorable mix.
STRL Stock’s Price Performance & Valuation Trend
Shares of this Texas-based infrastructure services provider have gained 32.2% over the past six months, outperforming the Zacks Engineering - R and D Services industry, the broader Construction sector and the S&P 500 Index.
STRL Price Performance (6-Month)
Image Source: Zacks Investment Research
The 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 22.75, as shown in the chart below.
STRL Valuation (P/E F12M)
Image Source: Zacks Investment Research
Earnings Estimate Revision for STRL
Sterling’s earnings estimates for 2026 and 2027 have moved upward over the past 60 days to $20.02 and $25.79 per share, respectively. The revised estimated figures for 2026 and 2027 imply year-over-year growth of 84% and 28.8%, respectively.
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Image: Bigstock
Can Sterling's Margin Profile Improve as Higher-Margin Work Expands?
Key Takeaways
Sterling Infrastructure, Inc. (STRL - Free Report) is benefiting from a shift toward larger and more complex projects across its business. The changing mix of work is an important factor for profitability, particularly as electrical services are growing faster than site development. While this mix can weigh on the consolidated margin rate, the underlying businesses are seeing better project economics. Larger project scopes, improved execution and a greater focus on attractive opportunities are creating conditions for margin improvement.
In the second quarter of 2026, the adjusted EBITDA margin expanded 150 basis points (bps) year over year to 22%. E-Infrastructure’s adjusted operating margin stood at 24%, with margins improving across both site development and electrical operations. However, CEC’s faster growth affected the overall mix because electrical margins remain below those of site development. CEC revenues increased 140%, while site development revenues more than doubled organically. Sterling is also moving resources away from lower-margin transportation work toward higher-margin E-Infrastructure projects.
The company’s margin opportunity extends beyond the current mix. CEC is moving away from certain lower-margin legacy activities, while larger data center projects are helping improve project economics. Sterling also expects margins to benefit as project sizes increase and the business gains more experience on later phases of large projects. Future-phase work generally carries better margins as productivity improves through the project lifecycle.
Operational investments provide another potential margin lever. Sterling is expanding its equipment fleet, developing its workforce and increasing the use of prefabrication at CEC facilities. These efforts are aimed at improving field productivity, lowering costs and supporting execution as project complexity increases. The company also expects 300-500 bps of margin improvement at CEC over 12-18 months as the business moves toward a better mix of projects and exits lower-margin activities.
As higher-margin work expands and individual businesses improve project economics, Sterling’s margin profile has room to strengthen. The near-term mix may remain uneven, but better project selection, productivity and business mix provide several avenues for improvement.
Sterling vs. EMCOR & MasTec: How Do Margin Drivers Compare?
Sterling is seeing margin gains from project selection, execution and a changing business mix. Peers like EMCOR Group, Inc. (EME - Free Report) and MasTec, Inc. (MTZ - Free Report) are also seeing margin improvement, although the underlying drivers differ across businesses and project mixes.
EMCOR’s Electrical Construction segment delivered 210 bps in operating margin expansion, with most of the improvement coming from higher gross profit margins, driven by strong field execution and a more favorable project mix. Building Services also delivered 130 bps in margin expansion, supported by a better project mix, improved execution and a leaner cost structure.
MasTec’s consolidated adjusted EBITDA margin expanded 100 bps year over year, while the Power Delivery margin increased 220 bps sequentially, helped by strong execution and utility infrastructure investment. Pipeline Infrastructure also generated an 18.4% EBITDA margin, supported by project execution and favorable mix.
STRL Stock’s Price Performance & Valuation Trend
Shares of this Texas-based infrastructure services provider have gained 32.2% over the past six months, outperforming the Zacks Engineering - R and D Services industry, the broader Construction sector and the S&P 500 Index.
STRL Price Performance (6-Month)
Image Source: Zacks Investment Research
The 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 22.75, as shown in the chart below.
STRL Valuation (P/E F12M)
Image Source: Zacks Investment Research
Earnings Estimate Revision for STRL
Sterling’s earnings estimates for 2026 and 2027 have moved upward over the past 60 days to $20.02 and $25.79 per share, respectively. The revised estimated figures for 2026 and 2027 imply year-over-year growth of 84% and 28.8%, respectively.
Image Source: Zacks Investment Research
Sterling stock currently carries a Zacks Rank #3 (Hold). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.