WallStSmart

Quanta Services Inc (PWR)vsSterling Infrastructure, Inc. (STRL)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Quanta Services Inc generates 1041% more annual revenue ($32.91B vs $2.88B). STRL leads profitability with a 12.0% profit margin vs 4.0%. STRL appears more attractively valued with a PEG of 1.02. STRL earns a higher WallStSmart Score of 72/100 (B).

PWR

Buy

59

out of 100

Grade: C

Growth: 9.3Profit: 5.5Value: 3.7Quality: 5.0
Piotroski: 1/9Altman Z: 2.13

STRL

Strong Buy

72

out of 100

Grade: B

Growth: 9.3Profit: 8.0Value: 4.3Quality: 7.0
Piotroski: 4/9Altman Z: 2.39

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

PWR3 strengths · Avg: 9.7/10
Revenue GrowthGrowth
41.1%10/10

Revenue surging 41.1% year-over-year

EPS GrowthGrowth
94.7%10/10

Earnings expanding 94.7% YoY

Market CapQuality
$104.19B9/10

Large-cap with strong market position

STRL4 strengths · Avg: 9.5/10
Revenue GrowthGrowth
91.6%10/10

Revenue surging 91.6% year-over-year

EPS GrowthGrowth
141.4%10/10

Earnings expanding 141.4% YoY

Return on EquityProfitability
29.1%9/10

Every $100 of equity generates 29 in profit

Debt/EquityHealth
0.299/10

Conservative balance sheet, low leverage

Areas to Watch

PWR4 concerns · Avg: 3.5/10
PEG RatioValuation
2.074/10

Expensive relative to growth rate

Price/BookValuation
11.1x4/10

Trading at 11.1x book value

Profit MarginProfitability
4.0%3/10

4.0% margin — thin

Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

STRL2 concerns · Avg: 3.0/10
Price/BookValuation
14.1x4/10

Trading at 14.1x book value

P/E RatioValuation
53.2x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : PWR

The strongest argument for PWR centers on Revenue Growth, EPS Growth, Market Cap. Revenue growth of 41.1% demonstrates continued momentum.

Bull Case : STRL

The strongest argument for STRL centers on Revenue Growth, EPS Growth, Return on Equity. Revenue growth of 91.6% demonstrates continued momentum. PEG of 1.02 suggests the stock is reasonably priced for its growth.

Bear Case : PWR

The primary concerns for PWR are PEG Ratio, Price/Book, Profit Margin. A P/E of 78.1x leaves little room for execution misses. Thin 4.0% margins leave little buffer for downturns.

Bear Case : STRL

The primary concerns for STRL are Price/Book, P/E Ratio. A P/E of 53.2x leaves little room for execution misses.

Key Dynamics to Monitor

PWR profiles as a hypergrowth stock while STRL is a growth play — different risk/reward profiles.

STRL carries more volatility with a beta of 1.83 — expect wider price swings.

STRL is growing revenue faster at 91.6% — sustainability is the question.

PWR generates stronger free cash flow (864M), providing more financial flexibility.

Bottom Line

STRL scores higher overall (72/100 vs 59/100) and 91.6% revenue growth. Both earn "Strong 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.

Sterling Infrastructure, Inc.

INDUSTRIALS · ENGINEERING & CONSTRUCTION · USA

Sterling Construction Company, Inc., a construction company, engages in residential construction, specialty services, and heavy civil activities primarily in the southern United States, the Rocky Mountain states, California, and Hawaii. The company is headquartered in The Woodlands, Texas.

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