Quanta Services Inc (PWR)vsConstellation Brands Inc Class A (STZ)
PWR
Quanta Services Inc
$785.29
+1.77%
INDUSTRIALS · Cap: $113.65B
STZ
Constellation Brands Inc Class A
$152.29
+1.66%
CONSUMER DEFENSIVE · Cap: $26.32B
Smart Verdict
WallStSmart Research — data-driven comparison
Quanta Services Inc generates 230% more annual revenue ($30.12B vs $9.14B). STZ leads profitability with a 18.5% profit margin vs 3.7%. PWR appears more attractively valued with a PEG of 2.43. STZ earns a higher WallStSmart Score of 56/100 (C).
PWR
Buy54
out of 100
Grade: C-
STZ
Buy56
out of 100
Grade: C
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Earnings expanding 51.0% YoY
Large-cap with strong market position
Revenue surging 26.3% year-over-year
Every $100 of equity generates 23 in profit
Attractively priced relative to earnings
Strong operational efficiency at 26.7%
Areas to Watch
Expensive relative to growth rate
Trading at 13.1x book value
3.7% margin — thin
Operating margin of 4.2%
Grey zone — moderate risk
Elevated debt levels
Expensive relative to growth rate
Revenue declined 11.3%
Comparative Analysis Report
WallStSmart ResearchBull Case : PWR
The strongest argument for PWR centers on EPS Growth, Market Cap, Revenue Growth. Revenue growth of 26.3% demonstrates continued momentum.
Bull Case : STZ
The strongest argument for STZ centers on Return on Equity, P/E Ratio, Operating Margin. Profitability is solid with margins at 18.5% and operating margin at 26.7%.
Bear Case : PWR
The primary concerns for PWR are PEG Ratio, Price/Book, Profit Margin. A P/E of 102.1x leaves little room for execution misses. Thin 3.7% margins leave little buffer for downturns.
Bear Case : STZ
The primary concerns for STZ are Altman Z-Score, Debt/Equity, PEG Ratio.
Key Dynamics to Monitor
PWR profiles as a growth stock while STZ is a declining play — different risk/reward profiles.
PWR carries more volatility with a beta of 1.24 — expect wider price swings.
PWR is growing revenue faster at 26.3% — sustainability is the question.
STZ generates stronger free cash flow (344M), providing more financial flexibility.
Bottom Line
STZ scores higher overall (56/100 vs 54/100), backed by strong 18.5% margins. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Quanta Services Inc
INDUSTRIALS · ENGINEERING & CONSTRUCTION · USA
Quanta Services is an American corporation that provides infrastructure services for electric power, pipeline, industrial and communications industries. Capabilities include the planning, design, installation, program management, maintenance and repair of most types of network infrastructure.
Constellation Brands Inc Class A
CONSUMER DEFENSIVE · BEVERAGES - BREWERS · USA
Constellation Brands, Inc., headquartered in Victor, New York, is an American producer and marketer of beer, wine, and spirits.
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