Sterling Infrastructure, Inc.’s STRL E-Infrastructure Solutions segment delivered a standout second-quarter 2026, raising the question of whether its 192% revenue growth is merely the beginning of a longer growth cycle. The segment’s performance was supported by robust demand across data centers, semiconductor facilities, manufacturing and other mission-critical projects.
Revenues from the E-Infrastructure segment surged 192% year over year in the second quarter of 2026, while adjusted operating income jumped 148%. The legacy site development business alone posted 111% revenue growth, with gains across regions and improving operating margins. Meanwhile, CEC’s electrical services revenues increased 140% compared with the pre-acquisition second quarter, with margins improving sequentially and year over year. The growth runway also appears substantial. E-Infrastructure signed backlog increased 165% year over year, with mission-critical projects accounting for 92% of the segment’s backlog.
STRL noted that data center projects are becoming larger, lasting longer and expanding into additional markets. Several existing projects are also expanding beyond their original scopes, creating opportunities not yet reflected in backlog or future-phase estimates. Geographic expansion adds another growth lever. Rocky Mountain revenues increased nearly 700%, while the Northeast benefited from a large semiconductor campus. Sterling also secured initial work on an electric vehicle plant in Atlanta.
Management now expects the E-Infrastructure segment revenues to grow more than 100% in 2026, including contributions from CEC and Stone Ridge, while legacy site development is expected to grow roughly 70% or more. This combination of strong demand, expanding backlog and geographic diversification suggests the segment’s growth story may have considerable runway ahead.
Sterling vs. MasTec vs. Quanta: Who Can Ride the AI Infra Wave?
Sterling is positioned to benefit from sustained investment in data centers, semiconductor facilities, advanced manufacturing and other mission-critical infrastructure, alongside its market peers including MasTec, Inc.MTZ and Quanta Services, Inc.PWR.
Sterling stands out for its rapidly expanding E-Infrastructure Solutions business, where second-quarter revenues surged 192% and mission-critical projects represented 92% of signed backlog. Its integrated site-development and electrical capabilities, strengthened by CEC and Stone Ridge, provide exposure to large, multi-year projects.
MasTec offers diversified exposure across communications, energy and infrastructure markets, while Quanta maintains a broad footprint in electric infrastructure, industrial and energy-related projects. STRL’s sharper focus on data centers, semiconductors and advanced manufacturing gives it particularly strong exposure to the current mission-critical construction cycle. With projects becoming larger and expanding into new markets, Sterling appears well-positioned to capitalize on the next leg of infrastructure spending.
Shares of this Texas-based infrastructure services provider climbed 26.1% in the past six months, outperforming the Zacks Engineering - R and D Services industry, the broader Construction sector and the S&P 500 Index.
Image Source: Zacks Investment Research
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 23.19, as shown in the chart below.
Image Source: Zacks Investment Research
Earnings Estimate Revision for STRL
STRL’s earnings estimates for 2026 and 2027 have moved upward in the past seven days to $19.79 and $26.04 per share, respectively. The estimated figures for 2026 and 2027 imply year-over-year growth of 81.9% and 31.6%, respectively.
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