Mastec Inc (MTZ) Stock Analysis and Metrics

Mastec

NYSE: MTZ

$382.85 ▲ +24.00 (+6.69%)

At close: Jul 8, 2026 · 3:59 PM UTC

Financial Ratios

Market Cap30.47 Bn

P/E63.56

P/S1.99

Div. Yield0.00

ROIC (Qtr)0.00

Total Debt (Qtr)2.53 Bn

Revenue Growth (1y) (Qtr)34.45

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About

MasTec is a leading North American infrastructure engineering and construction company focused primarily on engineering building installation maintenance and upgrade of communications energy and utility and other infrastructure such as wireless wireline fiber power delivery infrastructure including transmission distribution grid hardening and modernization environmental planning and compliance power generation infrastructure primarily from clean energy and renewable sources pipeline infrastructure including for natural gas water and carbon capture sequestration pipelines and pipeline integrity services heavy civil and industrial infrastructure including roads bridges and rail and environmental remediation services.

The company generates revenue by providing engineering construction maintenance and customer fulfillment activities for communications and digital infrastructure installation and construction of power generation facilities primarily from clean energy and renewable sources engineering construction and maintenance of power transmission and distribution infrastructure engineering construction maintenance and other services for pipeline infrastructure and heavy civil and industrial infrastructure services including roads bridges and rail as well as environmental remediation services to a diversified base of customers in the communications utility power data center civil and transportation industries under master service and other service agreements which are generally multi-year agreements and pursuant to contracts for specific projects or jobs requiring the construction or installation of an entire infrastructure system or specified units within an infrastructure system.

The company operates through the following segments: Communications Clean Energy and Infrastructure Power Delivery Pipeline Infrastructure and Other.

• The Communications segment performs engineering construction maintenance and customer fulfillment activities related to communications and digital infrastructure primarily for wireless and wireline fiber networks data center buildout and interconnection wireless integration and optimization and install to the home services as well as select utility infrastructure among others.

• The Clean Energy and Infrastructure segment primarily serves energy utility government and other end markets through the installation and construction of power generation facilities primarily from clean energy and renewable sources such as wind solar biomass natural gas and hydrogen as well as battery storage systems for renewable energy various types of heavy civil and industrial infrastructure services including roads bridges and rail and environmental remediation services.

• The Power Delivery segment primarily serves the energy utility and data center infrastructure industries through the engineering construction and maintenance of power transmission and distribution infrastructure including electrical and gas lines power reserve and battery infrastructure and distribution network systems substations and grid modernization emergency restoration services following natural disasters and accidents and environmental planning and compliance services.

• The Pipeline Infrastructure segment performs engineering construction maintenance and other services for pipeline infrastructure including natural gas water and carbon capture sequestration pipelines as well as pipeline integrity including the repair of pipeline infrastructure and facilitating their safe use throughout their lifecycle and other services for the energy and utilities industries.

• The Other segment includes certain equity investees the services of which may vary from those provided by our primary segments as well as other small business units with activities in certain international end markets.

The company is ranked among the top five contractors within Engineering News Record s Top 400 Contractors and has established a reputation for quality customer service and technical expertise with longstanding relationships and strong alliances with many of its customers and a reputation for reliable customer service and technical expertise giving it an advantage when competing for new work from existing and potential customers.

The company serves a diversified customer base including some of the largest providers of communications utility power including from renewable and other energy generation sources data center infrastructure civil and transportation infrastructure in North America among others.

Investment Thesis

▲ Bull case

MasTec’s backlog reached an all-time high of $20.3 billion, up $1.4 billion sequentially and 28% year over year, with book-to-bill ratios of 1.6x in both Power Delivery and Clean Energy and Infrastructure segments, indicating robust project wins that significantly exceed current revenue run rates and provide multi-year visibility into revenue streams, while management emphasized that the improvements in backlog and repricing seen in 2025 are only beginning to impact financials and will continue to play through 2026 and into 2027, suggesting current guidance understates future margin expansion and earnings potential as higher-margin work flows through the business.
The company is positioned at the center of multiple durable, multiyear infrastructure trends including AI-driven data center interconnectivity (described as a tens of billions of dollar opportunity), grid modernization driven by aging infrastructure and AI/data center power demands (potentially driving up to 12% of U.S. electricity consumption by 2030), natural gas infrastructure supporting gas-fired generation and LNG export growth, and BEAD-funded rural broadband builds, with management explicitly stating that MasTec’s unique skill set in construction management combined with civil, power, telecom, and maintenance capabilities creates exponential growth potential in turnkey data center services, which are still in the early stages of a long cycle and represent a massive total addressable market.
MasTec is shifting toward increased M&A activity after successfully integrating prior acquisitions and deleveraging, with leadership confirming they will be "a lot more active in M&A than we have been in the last couple years," starting in Q4 2025 and continuing throughout 2026, targeting strategic opportunities to bolster geographic coverage or work capabilities, while maintaining confidence in organic growth and return profiles across segments, suggesting that bolt-on acquisitions in adjacent markets like MEP (mechanical, electrical, plumbing) for turnkey data center solutions could unlock additional margin expansion and cross-selling synergies without diluting returns.
Return on invested capital expanded nearly 100 basis points year over year to exceed 10%, with management indicating this trend will continue and noting they will share more thoughts on ROIC targets at the upcoming Investor Day, signaling that capital efficiency improvements are structural and sustainable, supported by $1.8 billion in liquidity and net leverage of 1.8x within investment grade parameters, providing ample financial flexibility to fund growth initiatives, withstand downturns, and pursue value-accretive M&A without compromising financial strength.
The Communications segment’s DIRECTV fulfillment exit costs were recognized entirely in Q1, resulting in a one-time 100 basis point margin headwind that management stated will not continue throughout the year, with expectations for double-digit EBITDA margins for the remainder of 2026 and approximately 70 basis points of margin expansion versus 2025, indicating that the segment’s profitability is poised for recovery as the drag from legacy contract exits lapses, while underlying wireline demand remains strong due to growing data usage and BEAD-funded middle-mile and rural broadband builds.

MasTec’s backlog reached an all-time high of $20.3 billion, up $1.4 billion sequentially and 28% year over year, with book-to-bill ratios of 1.6x in both Power Delivery and Clean Energy and Infrastructure segments, indicating robust project wins that significantly exceed current revenue run rates and provide multi-year visibility into revenue streams, while management emphasized that the improvements in backlog and repricing seen in 2025 are only beginning to impact financials and will continue to play through 2026 and into 2027, suggesting current guidance understates future margin expansion and earnings potential as higher-margin work flows through the business.
The company is positioned at the center of multiple durable, multiyear infrastructure trends including AI-driven data center interconnectivity (described as a tens of billions of dollar opportunity), grid modernization driven by aging infrastructure and AI/data center power demands (potentially driving up to 12% of U.S. electricity consumption by 2030), natural gas infrastructure supporting gas-fired generation and LNG export growth, and BEAD-funded rural broadband builds, with management explicitly stating that MasTec’s unique skill set in construction management combined with civil, power, telecom, and maintenance capabilities creates exponential growth potential in turnkey data center services, which are still in the early stages of a long cycle and represent a massive total addressable market.
MasTec is shifting toward increased M&A activity after successfully integrating prior acquisitions and deleveraging, with leadership confirming they will be "a lot more active in M&A than we have been in the last couple years," starting in Q4 2025 and continuing throughout 2026, targeting strategic opportunities to bolster geographic coverage or work capabilities, while maintaining confidence in organic growth and return profiles across segments, suggesting that bolt-on acquisitions in adjacent markets like MEP (mechanical, electrical, plumbing) for turnkey data center solutions could unlock additional margin expansion and cross-selling synergies without diluting returns.
Return on invested capital expanded nearly 100 basis points year over year to exceed 10%, with management indicating this trend will continue and noting they will share more thoughts on ROIC targets at the upcoming Investor Day, signaling that capital efficiency improvements are structural and sustainable, supported by $1.8 billion in liquidity and net leverage of 1.8x within investment grade parameters, providing ample financial flexibility to fund growth initiatives, withstand downturns, and pursue value-accretive M&A without compromising financial strength.
The Communications segment’s DIRECTV fulfillment exit costs were recognized entirely in Q1, resulting in a one-time 100 basis point margin headwind that management stated will not continue throughout the year, with expectations for double-digit EBITDA margins for the remainder of 2026 and approximately 70 basis points of margin expansion versus 2025, indicating that the segment’s profitability is poised for recovery as the drag from legacy contract exits lapses, while underlying wireline demand remains strong due to growing data usage and BEAD-funded middle-mile and rural broadband builds.

▼ Bear case

Days sales outstanding increased to 72 days from 65 at year end, with management acknowledging higher revenue levels versus guidance drove additional working capital investment and negatively impacted cash flow from operations, which was only $99 million in Q1 despite strong revenue growth, suggesting that the company’s aggressive revenue expansion may be straining working capital management and could lead to sustained pressure on cash conversion if DSO trends do not revert to the mid-60s as expected, potentially constraining liquidity and limiting the ability to fund growth initiatives or shareholder returns without increasing leverage.
Pipeline segment backlog remains understated due to reporting limitations, as it only includes signed contracts and not verbal awards or LNTPs, with management acknowledging that "backlog does not fully represent the true opportunity" until verbal awards convert to signed contracts, creating uncertainty about the timing and reliability of future revenue recognition in a segment that grew revenue 92% year over year and EBITDA more than tripled, yet still represents less than 7% of total backlog ($1.3 billion out of $20.3 billion), raising concerns that the segment’s strong performance may be volatile or difficult to sustain if project awards face delays in financing, permitting, or materials availability.
Despite strong organic growth in Clean Energy and Infrastructure (over 30% year over year), the segment’s EBITDA margins are forecasted to remain in the high single digits and are comparable year over year, largely due to the higher mix of General Buildings activity in 2026, which typically carries lower margins than renewables or industrial work, suggesting that margin expansion in this segment may be constrained by unfavorable project mix shifts rather than operational improvements, and that growth could come at the expense of profitability if the company continues to pursue lower-margin civil and general building projects to maintain revenue growth.
The company’s full-year guidance implies a significant slowdown in sequential growth momentum, with Q2 revenue growth expected at 21% (down from Q1’s 34%) and adjusted EBITDA growth at 38% (down from Q1’s 73%), reflecting built-in conservatism that management admitted was not re-forecasting the balance of the year after the Q1 beat, raising questions about whether the current guidance sandbags future performance or if the extraordinary Q1 results were driven by temporary factors such as favorable weather, timing of project awards, or one-time efficiencies that may not be sustainable across the remainder of 2026.
MasTec’s reliance on large, turnkey infrastructure projects introduces execution risk, as highlighted in the Pipeline segment discussion where management noted they are "taking a conservative view around second-half project timing and productivity while we firm up specific resource allocations," suggesting that large-scale projects are susceptible to delays in labor availability, supply chain constraints, or customer-driven scope changes, and that the company’s ability to maintain its current pace of growth depends on flawless execution across complex, multi-disciplinary projects, with any missteps potentially leading to cost overruns, margin compression, or reputational damage in high-visibility wins like data center or transmission line builds.

Days sales outstanding increased to 72 days from 65 at year end, with management acknowledging higher revenue levels versus guidance drove additional working capital investment and negatively impacted cash flow from operations, which was only $99 million in Q1 despite strong revenue growth, suggesting that the company’s aggressive revenue expansion may be straining working capital management and could lead to sustained pressure on cash conversion if DSO trends do not revert to the mid-60s as expected, potentially constraining liquidity and limiting the ability to fund growth initiatives or shareholder returns without increasing leverage.
Pipeline segment backlog remains understated due to reporting limitations, as it only includes signed contracts and not verbal awards or LNTPs, with management acknowledging that "backlog does not fully represent the true opportunity" until verbal awards convert to signed contracts, creating uncertainty about the timing and reliability of future revenue recognition in a segment that grew revenue 92% year over year and EBITDA more than tripled, yet still represents less than 7% of total backlog ($1.3 billion out of $20.3 billion), raising concerns that the segment’s strong performance may be volatile or difficult to sustain if project awards face delays in financing, permitting, or materials availability.
Despite strong organic growth in Clean Energy and Infrastructure (over 30% year over year), the segment’s EBITDA margins are forecasted to remain in the high single digits and are comparable year over year, largely due to the higher mix of General Buildings activity in 2026, which typically carries lower margins than renewables or industrial work, suggesting that margin expansion in this segment may be constrained by unfavorable project mix shifts rather than operational improvements, and that growth could come at the expense of profitability if the company continues to pursue lower-margin civil and general building projects to maintain revenue growth.
The company’s full-year guidance implies a significant slowdown in sequential growth momentum, with Q2 revenue growth expected at 21% (down from Q1’s 34%) and adjusted EBITDA growth at 38% (down from Q1’s 73%), reflecting built-in conservatism that management admitted was not re-forecasting the balance of the year after the Q1 beat, raising questions about whether the current guidance sandbags future performance or if the extraordinary Q1 results were driven by temporary factors such as favorable weather, timing of project awards, or one-time efficiencies that may not be sustainable across the remainder of 2026.
MasTec’s reliance on large, turnkey infrastructure projects introduces execution risk, as highlighted in the Pipeline segment discussion where management noted they are "taking a conservative view around second-half project timing and productivity while we firm up specific resource allocations," suggesting that large-scale projects are susceptible to delays in labor availability, supply chain constraints, or customer-driven scope changes, and that the company’s ability to maintain its current pace of growth depends on flawless execution across complex, multi-disciplinary projects, with any missteps potentially leading to cost overruns, margin compression, or reputational damage in high-visibility wins like data center or transmission line builds.

Consolidation Items Breakdown of Revenue (2025)

Peer Comparison

Companies in the Engineering & Construction

S.No.	Ticker	Company	Market Cap	P/E	P/S	Total Debt (Qtr)
1	STN	Stantec Inc	7,704.08 Bn	7,675.69	591.81	1.34 Bn
2	PWR	Quanta Services, Inc.	103.60 Bn	92.14	3.44	5.89 Bn
3	MTZ	Mastec Inc	30.47 Bn	63.56	1.99	2.53 Bn
4	STRL	Sterling Infrastructure, Inc.	23.80 Bn	63.82	8.25	0.29 Bn
5	APG	APi Group Corp	18.02 Bn	-67.25	2.20	2.76 Bn
6	J	Jacobs Solutions Inc.	14.73 Bn	-745.61	1.12	4.08 Bn
7	IESC	IES Holdings, Inc.	13.95 Bn	38.52	3.84	0.04 Bn
8	ACM	Aecom	8.61 Bn	-69.12	0.54	2.71 Bn

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Investment Thesis

Segments Breakdown of Revenue (2025)

Consolidation Items Breakdown of Revenue (2025)

Peer Comparison

Research Tools

Developers

About

Investment Thesis

Segments Breakdown of Revenue (2025)

Consolidation Items Breakdown of Revenue (2025)

Peer Comparison

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