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MasTec Gears Up for Q3 Earnings: What's in the Offing for the Stock?

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Key Takeaways

  • MasTec's Q3 earnings are expected to rise 18.6% year over year, with revenues projected to grow 24.6%.
  • Power Delivery and Clean Energy revenues are projected to jump 44.1% and 39.3%, respectively, in Q3.
  • MasTec expects adjusted EBITDA to grow 29%, while Communications revenues may decline 12.5% year over year.

MasTec, Inc. (MTZ - Free Report) is scheduled to report third-quarter 2026 results on Oct. 29, after the closing bell.

In the last reported quarter, its earnings and revenues surpassed the Zacks Consensus Estimate by 1.4% and 1.8%, respectively. Also, on a year-over-year basis, earnings increased 48.8% from $1.49 in the year-ago quarter and revenues of $4.37 billion rose 23.4% year over year.

This leading infrastructure construction company’s earnings beat estimates in each of the trailing four quarters, with an average surprise of 14.3%.

MTZ’s Q3 Earnings & Revenue Expectations

The Zacks Consensus Estimate for MTZ’s third-quarter earnings has declined to $2.94 per share from $2.96 in the past 30 days. The estimated figure indicates an 18.6% increase on a year-over-year basis.

The consensus estimate for revenues is pegged at $4.94 billion, indicating a 24.6% year-over-year rise.

MasTec, Inc. Price and EPS Surprise

MasTec, Inc. Price and EPS Surprise

MasTec, Inc. price-eps-surprise | MasTec, Inc. Quote

Revenues to Benefit From Infrastructure Spending

MasTec expects third-quarter revenues of approximately $4.93 billion. Increasing investments in artificial intelligence (AI), mission-critical infrastructure, power generation and utility modernization are likely to have driven growth. The Superior acquisition is expected to have strengthened MasTec's electrical contracting capabilities and expanded its presence in high-growth data center markets.

Power and Clean Energy to Drive Segmental Growth

Power Delivery, which accounted for approximately 28.5% of MasTec's total revenues in second-quarter 2026, is expected to generate revenues of $1.6 billion in the third quarter, implying 44.1% year-over-year growth. Transmission expansion, grid reliability improvements and utility investments are likely to have supported growth. For the Power Delivery unit, the Zacks Consensus Estimate for the segment revenues is currently pegged at $1.62 billion, up 46% from $1.11 billion reported a year ago. 

Clean Energy and Infrastructure, which contributed approximately 37.1% of second-quarter revenues, is projected to generate $1.9 billion, suggesting 39.3% year-over-year growth, driven by renewable energy projects, power generation and data center construction. The Zacks Consensus Estimate for segment revenues is currently pegged at $1.9 billion compared with $1.36 billion reported a year ago.

Pipeline Infrastructure, representing approximately 14.7% of second-quarter revenues, is anticipated to generate $645 million, indicating 7.9% year-over-year growth, supported by natural gas infrastructure demand. The Zacks Consensus Estimate for segment revenues is currently pegged at $644 million compared with $598 million reported a year ago.

Conversely, Communications, which accounted for approximately 20.3% of second-quarter revenues, is projected to generate $800 million, reflecting a 12.5% year-over-year decline. Softer wireless activity and delayed wireline project starts are expected to have weighed on performance. The Zacks Consensus Estimate for the segment revenues is currently pegged at $801 million compared with $915 million reported a year ago.

MasTec’s Margins to Benefit From Favorable Project Mix

MasTec expects third-quarter 2026 adjusted EBITDA of $482 million, indicating approximately 29% year-over-year growth from $373.5 million. The adjusted EBITDA margin is projected to be 9.8%, reflecting an expansion of approximately 40 basis points from 9.4% in the year-ago quarter. Strong project execution, higher operating leverage, favorable project mix and contributions from infrastructure projects are likely to have supported profitability. 

Power Delivery margins are expected in the low double digits compared with 9.4% a year ago, while Pipeline Infrastructure margins are projected in the mid-teens compared with 15.4%. Communications and Clean Energy and Infrastructure margins are anticipated in the high single digits compared with 11.3% and 8.5%, respectively, in the prior-year quarter.

What Our Model Unveils for MTZ Stock

Our proven model does not conclusively predict an earnings beat for MasTec this time around. The combination of a positive Earnings ESP and a Zacks Rank #1 (Strong Buy), 2 (Buy) or 3 (Hold) increases the odds of an earnings beat, which is not the case here, as elaborated below.

MTZ’s Earnings ESP: The company currently has an Earnings ESP of -0.51%. You can uncover the best stocks before they’re reported with our Earnings ESP Filter.

MTZ’s Zacks Rank: The stock currently has a Zacks Rank of 4 (Sell).

Stocks With the Favorable Combination

Here are some companies in the Zacks Construction sector that, according to our model, have the right combination of elements to post an earnings beat in the quarter to be reported.

Sterling Infrastructure, Inc. (STRL - Free Report) has an Earnings ESP of +0.80% and a Zacks Rank of 2 at present. You can see the complete list of today’s Zacks #1 Rank stocks here.
 
Sterling’s earnings beat estimates in each of the last four quarters, the average surprise being 27.2%. The company’s earnings for the third quarter of 2026 are expected to grow 74.4% year over year.
 
AAON, Inc. (AAON - Free Report) currently has an Earnings ESP of +2.66% and a Zacks Rank of 3.
 
AAON’s earnings beat estimates in three of the last four quarters and missed on the remaining occasion, with the average surprise being 21.6%. The company’s earnings for the third quarter of 2026 are expected to increase 54.1% year over year.
 
Argan, Inc. (AGX - Free Report) has an Earnings ESP of +4.79% and a Zacks Rank of 3.
 
Argan’s earnings beat estimates in each of the last four quarters, the average surprise being 44.2%. The company’s earnings for the third quarter of fiscal 2027 are expected to increase 53.9% year over year.

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