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Side-by-side financial comparison of AES Corporation (AES) and MASTEC INC (MTZ). Click either name above to swap in a different company.
MASTEC INC is the larger business by last-quarter revenue ($3.9B vs $3.1B, roughly 1.3× AES Corporation). AES Corporation runs the higher net margin — 10.3% vs 3.6%, a 6.7% gap on every dollar of revenue. On growth, MASTEC INC posted the faster year-over-year revenue change (15.8% vs 4.7%). MASTEC INC produced more free cash flow last quarter ($292.5M vs $-47.0M). Over the past eight quarters, MASTEC INC's revenue compounded faster (21.1% CAGR vs 0.3%).
The AES Corporation is an American utility and power generation company. It owns and operates power plants, which it uses to generate and sell electricity to end users and intermediaries like utilities and industrial facilities. AES, headquartered in Arlington, Virginia, is one of the world's leading power companies, generating and distributing electric power in 15 countries and employing 10,500 people worldwide. AES Corporation is a global Fortune 500 power company.
Mastec, Inc. is an American infrastructure engineering and construction company based in Coral Gables, Florida. The company provides engineering, building, installation, maintenance and upgrade of energy, utility and communications infrastructure. Its customers are primarily in the utility, communications and government industries.
AES vs MTZ — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $3.1B | $3.9B |
| Net Profit | $320.0M | $142.7M |
| Gross Margin | 18.8% | — |
| Operating Margin | -8.7% | 4.4% |
| Net Margin | 10.3% | 3.6% |
| Revenue YoY | 4.7% | 15.8% |
| Net Profit YoY | -42.9% | 90.9% |
| EPS (diluted) | $0.45 | $1.81 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $3.1B | $3.9B | ||
| Q3 25 | $3.4B | $4.0B | ||
| Q2 25 | $2.9B | $3.5B | ||
| Q1 25 | $2.9B | $2.8B | ||
| Q4 24 | $3.0B | $3.4B | ||
| Q3 24 | $3.3B | $3.3B | ||
| Q2 24 | $2.9B | $3.0B | ||
| Q1 24 | $3.1B | $2.7B |
| Q4 25 | $320.0M | $142.7M | ||
| Q3 25 | $639.0M | $160.7M | ||
| Q2 25 | $-95.0M | $85.8M | ||
| Q1 25 | $46.0M | $9.9M | ||
| Q4 24 | $560.0M | $74.7M | ||
| Q3 24 | $502.0M | $95.2M | ||
| Q2 24 | $185.0M | $34.0M | ||
| Q1 24 | $432.0M | $-41.2M |
| Q4 25 | 18.8% | — | ||
| Q3 25 | 21.9% | — | ||
| Q2 25 | 15.9% | — | ||
| Q1 25 | 15.1% | — | ||
| Q4 24 | 14.2% | — | ||
| Q3 24 | 22.0% | — | ||
| Q2 24 | 18.8% | — | ||
| Q1 24 | 20.1% | — |
| Q4 25 | -8.7% | 4.4% | ||
| Q3 25 | 9.8% | 5.3% | ||
| Q2 25 | 1.4% | 3.4% | ||
| Q1 25 | -0.8% | 0.3% | ||
| Q4 24 | 12.3% | 2.8% | ||
| Q3 24 | 10.0% | 4.2% | ||
| Q2 24 | -2.6% | 2.1% | ||
| Q1 24 | 9.0% | -1.7% |
| Q4 25 | 10.3% | 3.6% | ||
| Q3 25 | 19.1% | 4.0% | ||
| Q2 25 | -3.3% | 2.4% | ||
| Q1 25 | 1.6% | 0.3% | ||
| Q4 24 | 18.9% | 2.2% | ||
| Q3 24 | 15.3% | 2.9% | ||
| Q2 24 | 6.3% | 1.1% | ||
| Q1 24 | 14.0% | -1.5% |
| Q4 25 | $0.45 | $1.81 | ||
| Q3 25 | $0.89 | $2.04 | ||
| Q2 25 | $-0.15 | $1.09 | ||
| Q1 25 | $0.07 | $0.13 | ||
| Q4 24 | $0.78 | $0.95 | ||
| Q3 24 | $0.71 | $1.21 | ||
| Q2 24 | $0.27 | $0.43 | ||
| Q1 24 | $0.60 | $-0.53 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $1.6B | $396.0M |
| Total DebtLower is stronger | — | $2.2B |
| Stockholders' EquityBook value | $4.1B | $3.3B |
| Total Assets | $51.8B | $9.9B |
| Debt / EquityLower = less leverage | — | 0.67× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $1.6B | $396.0M | ||
| Q3 25 | $1.8B | $231.4M | ||
| Q2 25 | $1.4B | $191.1M | ||
| Q1 25 | $1.8B | $345.7M | ||
| Q4 24 | $1.6B | $399.9M | ||
| Q3 24 | $2.0B | $181.2M | ||
| Q2 24 | $1.8B | $297.6M | ||
| Q1 24 | $2.4B | $249.3M |
| Q4 25 | — | $2.2B | ||
| Q3 25 | — | $2.2B | ||
| Q2 25 | — | $2.1B | ||
| Q1 25 | — | $2.0B | ||
| Q4 24 | — | $2.0B | ||
| Q3 24 | — | $2.1B | ||
| Q2 24 | — | $2.4B | ||
| Q1 24 | — | $2.5B |
| Q4 25 | $4.1B | $3.3B | ||
| Q3 25 | $3.9B | $3.1B | ||
| Q2 25 | $3.4B | $2.9B | ||
| Q1 25 | $3.5B | $2.9B | ||
| Q4 24 | $3.6B | $2.9B | ||
| Q3 24 | $3.3B | $2.8B | ||
| Q2 24 | $3.1B | $2.7B | ||
| Q1 24 | $2.9B | $2.7B |
| Q4 25 | $51.8B | $9.9B | ||
| Q3 25 | $50.8B | $9.7B | ||
| Q2 25 | $48.5B | $9.1B | ||
| Q1 25 | $48.6B | $8.9B | ||
| Q4 24 | $47.4B | $9.0B | ||
| Q3 24 | $50.1B | $8.8B | ||
| Q2 24 | $47.7B | $8.7B | ||
| Q1 24 | $47.0B | $8.7B |
| Q4 25 | — | 0.67× | ||
| Q3 25 | — | 0.71× | ||
| Q2 25 | — | 0.71× | ||
| Q1 25 | — | 0.71× | ||
| Q4 24 | — | 0.70× | ||
| Q3 24 | — | 0.76× | ||
| Q2 24 | — | 0.87× | ||
| Q1 24 | — | 0.95× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $1.5B | $372.7M |
| Free Cash FlowOCF − Capex | $-47.0M | $292.5M |
| FCF MarginFCF / Revenue | -1.5% | 7.4% |
| Capex IntensityCapex / Revenue | 49.5% | 2.0% |
| Cash ConversionOCF / Net Profit | 4.65× | 2.61× |
| TTM Free Cash FlowTrailing 4 quarters | $-1.6B | $285.7M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $1.5B | $372.7M | ||
| Q3 25 | $1.3B | $89.0M | ||
| Q2 25 | $976.0M | $5.6M | ||
| Q1 25 | $545.0M | $78.4M | ||
| Q4 24 | $1.1B | $471.7M | ||
| Q3 24 | $985.0M | $277.7M | ||
| Q2 24 | $392.0M | $264.4M | ||
| Q1 24 | $287.0M | $107.8M |
| Q4 25 | $-47.0M | $292.5M | ||
| Q3 25 | $-511.0M | $20.3M | ||
| Q2 25 | $-356.0M | $-58.2M | ||
| Q1 25 | $-709.0M | $31.1M | ||
| Q4 24 | $-639.0M | $423.4M | ||
| Q3 24 | $-847.0M | $234.1M | ||
| Q2 24 | $-1.3B | $232.9M | ||
| Q1 24 | $-1.9B | $82.3M |
| Q4 25 | -1.5% | 7.4% | ||
| Q3 25 | -15.2% | 0.5% | ||
| Q2 25 | -12.5% | -1.6% | ||
| Q1 25 | -24.2% | 1.1% | ||
| Q4 24 | -21.6% | 12.4% | ||
| Q3 24 | -25.8% | 7.2% | ||
| Q2 24 | -43.9% | 7.9% | ||
| Q1 24 | -60.3% | 3.1% |
| Q4 25 | 49.5% | 2.0% | ||
| Q3 25 | 54.0% | 1.7% | ||
| Q2 25 | 46.7% | 1.8% | ||
| Q1 25 | 42.9% | 1.7% | ||
| Q4 24 | 58.3% | 1.4% | ||
| Q3 24 | 55.7% | 1.3% | ||
| Q2 24 | 57.3% | 1.1% | ||
| Q1 24 | 69.6% | 0.9% |
| Q4 25 | 4.65× | 2.61× | ||
| Q3 25 | 2.03× | 0.55× | ||
| Q2 25 | — | 0.07× | ||
| Q1 25 | 11.85× | 7.91× | ||
| Q4 24 | 1.94× | 6.31× | ||
| Q3 24 | 1.96× | 2.92× | ||
| Q2 24 | 2.12× | 7.78× | ||
| Q1 24 | 0.66× | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
AES
| Electric Distribution | $1.0B | 33% |
| Regulated Revenue | $1.0B | 33% |
| Renewables | $786.0M | 25% |
| AES Andes | $225.0M | 7% |
| Corporate Other And Other | $38.0M | 1% |
| Other Expense | $10.0M | 0% |
MTZ
| Clean Energy And Infrastructure | $1.3B | 33% |
| Power Delivery | $1.1B | 28% |
| Communications | $906.7M | 23% |
| Pipeline Infrastructure | $643.8M | 16% |
