MasTec, Inc.
MasTec, Inc. (NYSE: MTZ) is a leading North American infrastructure engineering and construction company with over 95 years of operating history. The company maintains approximately 36,000 employees across 810 locations and operates primarily throughout the United States and Canada. MasTec provides integrated,… From the company’s description.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What MasTec, Inc. does
In the company’s own words
MasTec, Inc. (NYSE: MTZ) is a leading North American infrastructure engineering and construction company with over 95 years of operating history. The company maintains approximately 36,000 employees across 810 locations and operates primarily throughout the United States and Canada. MasTec provides integrated, solutions-based services across communications, energy, utility, and other critical infrastructure sectors, operating under the MasTec service mark and ranking among the top five contractors in Engineering News-Record's Top 400 Contractors list.
The company operates through five reportable segments: Communications, Clean Energy and Infrastructure, Power Delivery, Pipeline Infrastructure, and Other. The Communications segment performs engineering, construction, maintenance, and customer fulfillment activities for wireless and wireline/fiber networks, data center buildout, and install-to-the-home services. The Clean Energy and Infrastructure segment installs and constructs power generation facilities from renewable sources including wind, solar, and biomass, alongside heavy civil infrastructure services for roads, bridges, and rail, plus environmental remediation services. The Power Delivery segment engineers, constructs, and maintains transmission and distribution infrastructure, including grid modernization and emergency restoration services. The Pipeline Infrastructure segment provides engineering, construction, and maintenance services for natural gas, water, and carbon capture sequestration pipelines, along with pipeline integrity services. The Other segment includes equity investees and small international business units.
MasTec's business model centers on providing labor-based construction services under multi-year master service agreements and project-specific contracts. The company serves a diversified customer base including major communications providers, utilities, power generators, data center operators, and government entities. The company's competitive strengths include its diverse customer relationships, reputation for technical expertise and reliable service, extensive North American geographic footprint, ability to rapidly deploy resources across multiple end-markets, and experienced management team. MasTec has pursued significant transformation since 2021, including substantial business combination activity to expand scale and capacity in renewable energy, power delivery, heavy civil, and telecommunications services. The company website is mastec.com.
Company details
- Sector
- Industrials
- Industry (SIC)
- Construction
- Headquarters
- CORAL GABLES, FL
- Fiscal year end
- December
- CIK
- 15615
- SIC
- 1623
Financial performance, year by year
Fiscal 2013–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns MasTec, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Superinvestors in MasTec, Inc. · what they did last quarter
Share of each manager’s reported 13F portfolio. Change is in shares held, since the previous quarter.
Largest fund holders · MasTec, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
MasTec, Inc.’s bonds, as funds hold them
Funds report holding 3 issues of MasTec, Inc.’s debt, $490.36M at market value — what funds hold, not the company’s total debt. Weighted-average coupon 5.28%, maturing 2028 to 2029.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Fund ownership is a subset of institutional 13F ownership — the two describe overlapping populations and must not be added together.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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