WallStSmart

Quanta Services Inc (PWR)vsSterling Construction Company Inc (STRL)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Quanta Services Inc generates 1044% more annual revenue ($28.48B vs $2.49B). STRL leads profitability with a 11.7% profit margin vs 3.6%. PWR appears more attractively valued with a PEG of 1.82. STRL earns a higher WallStSmart Score of 58/100 (C).

PWR

Hold

47

out of 100

Grade: D+

Growth: 6.7Profit: 5.5Value: 4.7Quality: 5.0

STRL

Buy

58

out of 100

Grade: C

Growth: 6.7Profit: 8.0Value: 4.7Quality: 5.8
Piotroski: 6/9Altman Z: 2.89
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

PWRSignificantly Overvalued (-602.0%)

Margin of Safety

-602.0%

Fair Value

$74.64

Current Price

$573.50

$498.86 premium

UndervaluedFair: $74.64Overvalued
STRLSignificantly Overvalued (-581.0%)

Margin of Safety

-581.0%

Fair Value

$63.72

Current Price

$452.92

$389.20 premium

UndervaluedFair: $63.72Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

PWR2 strengths · Avg: 8.5/10
Market CapQuality
$84.90B9/10

Large-cap with strong market position

Revenue GrowthGrowth
19.7%8/10

19.7% revenue growth

STRL2 strengths · Avg: 10.0/10
Return on EquityProfitability
32.1%10/10

Every $100 of equity generates 32 in profit

Revenue GrowthGrowth
51.5%10/10

Revenue surging 51.5% year-over-year

Areas to Watch

PWR4 concerns · Avg: 3.8/10
PEG RatioValuation
1.824/10

Expensive relative to growth rate

Price/BookValuation
9.6x4/10

Trading at 9.6x book value

EPS GrowthGrowth
2.6%4/10

2.6% earnings growth

Profit MarginProfitability
3.6%3/10

3.6% margin — thin

STRL4 concerns · Avg: 2.5/10
Price/BookValuation
12.5x4/10

Trading at 12.5x book value

PEG RatioValuation
2.562/10

Expensive relative to growth rate

P/E RatioValuation
47.6x2/10

Premium valuation, high expectations priced in

EPS GrowthGrowth
-22.6%2/10

Earnings declined 22.6%

Comparative Analysis Report

WallStSmart Research

Bull Case : PWR

The strongest argument for PWR centers on Market Cap, Revenue Growth. Revenue growth of 19.7% demonstrates continued momentum.

Bull Case : STRL

The strongest argument for STRL centers on Return on Equity, Revenue Growth. Revenue growth of 51.5% demonstrates continued momentum.

Bear Case : PWR

The primary concerns for PWR are PEG Ratio, Price/Book, EPS Growth. A P/E of 83.3x leaves little room for execution misses. Thin 3.6% margins leave little buffer for downturns.

Bear Case : STRL

The primary concerns for STRL are Price/Book, PEG Ratio, P/E Ratio. A P/E of 47.6x leaves little room for execution misses.

Key Dynamics to Monitor

STRL carries more volatility with a beta of 1.50 — expect wider price swings.

STRL is growing revenue faster at 51.5% — sustainability is the question.

PWR generates stronger free cash flow (934M), providing more financial flexibility.

Monitor ENGINEERING & CONSTRUCTION industry trends, competitive dynamics, and regulatory changes.

Bottom Line

STRL scores higher overall (58/100 vs 47/100) and 51.5% revenue growth. Both earn "Buy" and "Hold" 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 Construction Company 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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