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Side-by-side financial comparison of MASTEC INC (MTZ) and Vistra Corp. (VST). Click either name above to swap in a different company.

Vistra Corp. is the larger business by last-quarter revenue ($4.8B vs $3.9B, roughly 1.2× MASTEC INC). Vistra Corp. runs the higher net margin — 4.8% vs 3.6%, a 1.2% gap on every dollar of revenue. On growth, Vistra Corp. posted the faster year-over-year revenue change (31.2% vs 15.8%). Vistra Corp. produced more free cash flow last quarter ($596.0M vs $292.5M). Over the past eight quarters, Vistra Corp.'s revenue compounded faster (23.3% CAGR vs 21.1%).

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.

Vistra may refer to either of two companies:Vistra, a corporate services company based in Hong Kong Vistra Corp, an energy company based in Texas

MTZ vs VST — Head-to-Head

Bigger by revenue
VST
VST
1.2× larger
VST
$4.8B
$3.9B
MTZ
Growing faster (revenue YoY)
VST
VST
+15.4% gap
VST
31.2%
15.8%
MTZ
Higher net margin
VST
VST
1.2% more per $
VST
4.8%
3.6%
MTZ
More free cash flow
VST
VST
$303.5M more FCF
VST
$596.0M
$292.5M
MTZ
Faster 2-yr revenue CAGR
VST
VST
Annualised
VST
23.3%
21.1%
MTZ

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MTZ
MTZ
VST
VST
Revenue
$3.9B
$4.8B
Net Profit
$142.7M
$233.0M
Gross Margin
Operating Margin
4.4%
9.9%
Net Margin
3.6%
4.8%
Revenue YoY
15.8%
31.2%
Net Profit YoY
90.9%
-47.2%
EPS (diluted)
$1.81
$0.55

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.

Revenue
MTZ
MTZ
VST
VST
Q4 25
$3.9B
$4.8B
Q3 25
$4.0B
$4.8B
Q2 25
$3.5B
$3.8B
Q1 25
$2.8B
$4.3B
Q4 24
$3.4B
$3.7B
Q3 24
$3.3B
$4.3B
Q2 24
$3.0B
$3.6B
Q1 24
$2.7B
$3.2B
Net Profit
MTZ
MTZ
VST
VST
Q4 25
$142.7M
$233.0M
Q3 25
$160.7M
$652.0M
Q2 25
$85.8M
$327.0M
Q1 25
$9.9M
$-268.0M
Q4 24
$74.7M
$441.0M
Q3 24
$95.2M
$1.9B
Q2 24
$34.0M
$365.0M
Q1 24
$-41.2M
$-35.0M
Operating Margin
MTZ
MTZ
VST
VST
Q4 25
4.4%
9.9%
Q3 25
5.3%
21.7%
Q2 25
3.4%
13.7%
Q1 25
0.3%
-2.8%
Q4 24
2.8%
16.4%
Q3 24
4.2%
59.6%
Q2 24
2.1%
22.5%
Q1 24
-1.7%
2.7%
Net Margin
MTZ
MTZ
VST
VST
Q4 25
3.6%
4.8%
Q3 25
4.0%
13.6%
Q2 25
2.4%
8.7%
Q1 25
0.3%
-6.3%
Q4 24
2.2%
12.0%
Q3 24
2.9%
43.5%
Q2 24
1.1%
10.1%
Q1 24
-1.5%
-1.1%
EPS (diluted)
MTZ
MTZ
VST
VST
Q4 25
$1.81
$0.55
Q3 25
$2.04
$1.75
Q2 25
$1.09
$0.81
Q1 25
$0.13
$-0.93
Q4 24
$0.95
$1.09
Q3 24
$1.21
$5.25
Q2 24
$0.43
$0.90
Q1 24
$-0.53
$-0.24

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
MTZ
MTZ
VST
VST
Cash + ST InvestmentsLiquidity on hand
$396.0M
$785.0M
Total DebtLower is stronger
$2.2B
$15.8B
Stockholders' EquityBook value
$3.3B
$5.1B
Total Assets
$9.9B
$41.5B
Debt / EquityLower = less leverage
0.67×
3.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MTZ
MTZ
VST
VST
Q4 25
$396.0M
$785.0M
Q3 25
$231.4M
$602.0M
Q2 25
$191.1M
$458.0M
Q1 25
$345.7M
$561.0M
Q4 24
$399.9M
$1.2B
Q3 24
$181.2M
$905.0M
Q2 24
$297.6M
$1.6B
Q1 24
$249.3M
$1.1B
Total Debt
MTZ
MTZ
VST
VST
Q4 25
$2.2B
$15.8B
Q3 25
$2.2B
$15.8B
Q2 25
$2.1B
$15.5B
Q1 25
$2.0B
$15.4B
Q4 24
$2.0B
$15.4B
Q3 24
$2.1B
$13.9B
Q2 24
$2.4B
$13.9B
Q1 24
$2.5B
$14.7B
Stockholders' Equity
MTZ
MTZ
VST
VST
Q4 25
$3.3B
$5.1B
Q3 25
$3.1B
$5.2B
Q2 25
$2.9B
$4.8B
Q1 25
$2.9B
$4.8B
Q4 24
$2.9B
$5.6B
Q3 24
$2.8B
$5.4B
Q2 24
$2.7B
$5.6B
Q1 24
$2.7B
$5.7B
Total Assets
MTZ
MTZ
VST
VST
Q4 25
$9.9B
$41.5B
Q3 25
$9.7B
$38.0B
Q2 25
$9.1B
$38.1B
Q1 25
$8.9B
$38.2B
Q4 24
$9.0B
$37.8B
Q3 24
$8.8B
$37.9B
Q2 24
$8.7B
$39.1B
Q1 24
$8.7B
$38.2B
Debt / Equity
MTZ
MTZ
VST
VST
Q4 25
0.67×
3.11×
Q3 25
0.71×
3.02×
Q2 25
0.71×
3.22×
Q1 25
0.71×
3.20×
Q4 24
0.70×
2.77×
Q3 24
0.76×
2.56×
Q2 24
0.87×
2.49×
Q1 24
0.95×
2.60×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
MTZ
MTZ
VST
VST
Operating Cash FlowLast quarter
$372.7M
$1.4B
Free Cash FlowOCF − Capex
$292.5M
$596.0M
FCF MarginFCF / Revenue
7.4%
12.4%
Capex IntensityCapex / Revenue
2.0%
17.4%
Cash ConversionOCF / Net Profit
2.61×
6.15×
TTM Free Cash FlowTrailing 4 quarters
$285.7M
$1.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MTZ
MTZ
VST
VST
Q4 25
$372.7M
$1.4B
Q3 25
$89.0M
$1.5B
Q2 25
$5.6M
$572.0M
Q1 25
$78.4M
$599.0M
Q4 24
$471.7M
$1.4B
Q3 24
$277.7M
$1.7B
Q2 24
$264.4M
$1.2B
Q1 24
$107.8M
$312.0M
Free Cash Flow
MTZ
MTZ
VST
VST
Q4 25
$292.5M
$596.0M
Q3 25
$20.3M
$1.0B
Q2 25
$-58.2M
$-118.0M
Q1 25
$31.1M
$-169.0M
Q4 24
$423.4M
$923.0M
Q3 24
$234.1M
$1.0B
Q2 24
$232.9M
$698.0M
Q1 24
$82.3M
$-153.0M
FCF Margin
MTZ
MTZ
VST
VST
Q4 25
7.4%
12.4%
Q3 25
0.5%
21.1%
Q2 25
-1.6%
-3.1%
Q1 25
1.1%
-4.0%
Q4 24
12.4%
25.2%
Q3 24
7.2%
23.4%
Q2 24
7.9%
19.4%
Q1 24
3.1%
-4.8%
Capex Intensity
MTZ
MTZ
VST
VST
Q4 25
2.0%
17.4%
Q3 25
1.7%
9.6%
Q2 25
1.8%
18.4%
Q1 25
1.7%
18.1%
Q4 24
1.4%
11.7%
Q3 24
1.3%
15.8%
Q2 24
1.1%
13.8%
Q1 24
0.9%
14.7%
Cash Conversion
MTZ
MTZ
VST
VST
Q4 25
2.61×
6.15×
Q3 25
0.55×
2.25×
Q2 25
0.07×
1.75×
Q1 25
7.91×
Q4 24
6.31×
3.07×
Q3 24
2.92×
0.90×
Q2 24
7.78×
3.28×
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

MTZ
MTZ

Clean Energy And Infrastructure$1.3B33%
Power Delivery$1.1B28%
Communications$906.7M23%
Pipeline Infrastructure$643.8M16%

VST
VST

Retail Energy Charge In ERCOT$2.1B43%
Retail Energy Charge In Northeast Midwest$1.2B24%
East Segment$1.1B24%
Hedging Revenue Realized$170.0M4%
Revenue From Other Wholesale Contracts$116.0M2%
Transferable Production Tax Credit Revenues$78.0M2%
West Segment$77.0M2%
Intersegment Sales$25.0M1%

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