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STOCK COMPARISON

Quanta Services vs Sterling Construction Company: Fair Value & Quality

Both stocks run through our valuation models. Here is how Quanta Services (PWR) and Sterling Construction Company (STRL) compare, as of Sep 5, 2026.

As of Sep 5, 2026, Fair Value Calculator sees Sterling Construction Company as the less overvalued of the two: Quanta Services trades at $620 versus a fair value of $144 (-77%), while Sterling Construction Company trades at $460 versus $199 (-57%).
Quanta Services
PWR · USD · Industrials
-77%
upside to fair value
overvalued
Price$620
Fair Value$144
Quality50/100
Sterling Construction Company
STRL · USD · Industrials
-57%
upside to fair value
overvalued
Price$460
Fair Value$199
Quality64/100
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Head-to-head numbers

Green value = the better side for that row (for valuation multiples: lower = cheaper).

Quanta ServicesSterling Construction Company
Valuation
91.8×P/E (TTM)59.9×
3.33×P/S (TTM)6.82×
11.22×P/B17.75×
39.5×EV/EBITDA33.7×
1.84×PEG1.14×
−76.8%Fair value upside−56.8%
0.1%Dividend yield—
$0.42Dividend per share—
Profitability
4%Operating margin17%
1.02×EBIT margin trend (5Y)2.21×
14%Return on equity37%
5%Return on assets13%
Growth
26%Revenue growth (YoY)92%
18.4%Avg. growth/yr (3Y)12.1%
20.4%Avg. growth/yr (5Y)15.2%
+16.8%Value creation/yr+37.2%
Balance & size
6.3×Interest coverage (EBIT/interest)20.9×
0.59×Debt / equity0.25×
$100BMarket cap$20B
healthyGrowth qualityhealthy

Sterling Construction Company leads: 4 to 10 metric wins.

Dash = not meaningfully computable, for example with negative equity.

Quality in detail

The quality score, broken down into the same factor families as on the stock page, 0 to 100 per family.

Quanta Servicesof which business quality 52 · market factors 61 Sterling Construction Companyof which business quality 65 · market factors 40
ProfitabilityMargins and returns on capital today
45
64
Quality GrowthAre margins and returns improving?
44
46
CashflowEarnings quality: real cash, not paper profit
59
69
Fin. StrengthBalance sheet, leverage, solvency risk
55
79
InvestmentDisciplined investing over empire-building
36
31
Low VolatilityCalm price path (market factor)
41
0
MomentumPrice trend over the last 3–12 months (market factor)
62
52
52W MomentumDistance to the 52-week high (market factor)
80
65
Net IssuanceBuybacks instead of dilution
72
83

What the models say

How far the median fair value (base case) per model family sits from the current price, in percent. The amount in the currency of the trading venue is shown underneath.

above the price, more than 15% above close to the price, 85% to 115% of the price below the price, more than 15% below

Model familyQuanta ServicesPrice $620Sterling Construction CompanyPrice $460
DCF Models-66%below the price$212-39%below the price$280
Earnings-Based-82%below the price$111-68%below the price$145
Dividend Discount-99%below the price$7.09-100%below the price$0.78
Multiples-79%below the price$130-61%below the price$180
Asset-Based-94%below the price$39.91-95%below the price$24.20
Growth DCF-63%below the price$227-40%below the price$274
Economic Profit-90%below the price$64.82-71%below the price$134
Growth Earnings-74%below the price$163-53%below the price$217
Minimum-99%below the price$7.09-100%below the price$0.78
Maximum-63%below the price$227-39%below the price$280
Median-81%below the price$121-65%below the price$162
Geometric mean-87%below the price$82.21-84%below the price$75.76

Minimum, maximum, median and geometric mean refer to the family values in this table. Geometric because deviations are ratios: half the price and twice the price average to 100%, not 125%.

Quanta Services: 26 of 26 models see the stock below the current price.

Sterling Construction Company: 26 of 26 models see the stock below the current price.

Scenario ranges

From our cautious bear case to the optimistic bull case. The white tick is the current price: left of fair value means room to run.

Quanta Services
Bear $107Fair Value $144Bull $180
$620 = current price (white tick)
Sterling Construction Company
Bear $137Fair Value $199Bull $282
$460 = current price (white tick)

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Ranked within their sector

Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.

Quanta Services · Industrials

Quality score50 · below median
Fair value upside-77% · bottom 25%

Sterling Construction Company · Industrials

Quality score64 · Top 25%
Fair value upside-57% · bottom 25%

Bottom line

As of Sep 5, 2026, Fair Value Calculator sees Sterling Construction Company as the less overvalued of the two: Quanta Services trades at $620 versus a fair value of $144 (-77%), while Sterling Construction Company trades at $460 versus $199 (-57%).

Sterling Construction Company has the higher quality score (64/100).

See the full analysis →
Quanta Services · Sterling Construction Company

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A model-based valuation snapshot from 26 models. Values change with price and fundamentals; the date shown above applies.