CMI vs. PWR: Cummins vs. Quanta Services Stock Comparison

November 11, 2026

How do Cummins (CMI) and Quanta Services (PWR) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Cummins (CMI) and Quanta Services (PWR) both fall under the Capital Goods industry group, but CMI is classified in Machinery while PWR is classified in Construction & Engineering.

Company profile comparison for Cummins (CMI) and Quanta Services (PWR)
Profile Item	CMI	PWR
Name	Cummins Inc.	Quanta Services, Inc.
Country/Region	United States	United States
GICS Sector	Industrials	Industrials
GICS Industry Group	Capital Goods	Capital Goods
GICS Industry	Machinery	Construction & Engineering
GICS Sub-Industry	Construction Machinery & Heavy Transportation Equipment	Construction & Engineering
Market Capitalization	61.69 billion USD	81.50 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	February 21, 1973	February 12, 1998
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

CMI

PWR

GSPC

Cummins (CMI) vs. Quanta Services (PWR), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Cummins (CMI) and Quanta Services (PWR). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Cummins (CMI) and Quanta Services (PWR). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Cummins (CMI) and Quanta Services (PWR)
Metric	CMI	PWR
Total Return (1Y)	-0.52%	32.97%
Total Return (3Y, Annualized)	31.79%	51.81%
Total Return (5Y, Annualized)	17.12%	38.19%

Risk Profile

Drawdown History

CMI

PWR

GSPC

Cummins (CMI) vs. Quanta Services (PWR), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Cummins (CMI) and Quanta Services (PWR). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Cummins (CMI) and Quanta Services (PWR)
Metric	CMI	PWR
Volatility (1Y, Annualized)	36.83%	50.22%
Beta (5Y)	1.26	1.29
Max Drawdown (5Y)	-38.12%	-35.15%
Avg. Volume (3M)	1.14M	1.19M

Risk-Adjusted Performance

Risk-Return Positioning

CMI and PWR are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Cummins (CMI) and Quanta Services (PWR)
Metric	CMI	PWR
Sharpe Ratio (1Y)	-0.13	0.57
Sortino Ratio (1Y)	-0.18	0.87

Profitability

ROE (TTM)

Cummins (CMI) at 25.05% sits in the top ROE quartile, while Quanta Services (PWR) at 18.02% is closer to the peer norm — stronger capital efficiency for CMI.

CMI

Capital Goods industry group

25.05%

Max: 40.55%
CMI: 25.05%
Q3: 19.29%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

PWR

Capital Goods industry group

18.02%

Max: 40.55%
Q3: 19.29%
PWR: 18.02%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their ROE against the Capital Goods industry group benchmark.

Net Margin (TTM)

Both Cummins (CMI) at 9.26% and Quanta Services (PWR) at 4.51% keep about the typical share of revenue as profit for their industries — neither bottom line stands out from peers.

CMI

Capital Goods industry group

9.26%

Max: 27.47%
Q3: 12.10%
CMI: 9.26%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

PWR

Capital Goods industry group

4.51%

Max: 27.47%
Q3: 12.10%
Median: 6.30%
PWR: 4.51%
Q1: 1.40%
Min: -12.89%

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their net margin against the Capital Goods industry group benchmark.

Operating Margin (TTM)

Both Cummins (CMI) at 13.95% and Quanta Services (PWR) at 8.63% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

CMI

Capital Goods industry group

13.95%

Max: 36.60%
Q3: 18.33%
CMI: 13.95%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

PWR

Capital Goods industry group

8.63%

Max: 36.60%
Q3: 18.33%
Median: 11.12%
PWR: 8.63%
Q1: 5.14%
Min: -12.63%

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their operating margin against the Capital Goods industry group benchmark.

Profitability Metrics

Profitability metrics for Cummins (CMI) and Quanta Services (PWR)
Metric	CMI	PWR
ROE (TTM)	25.05%	18.02%
ROA (TTM)	7.60%	5.72%
Net Margin (TTM)	9.26%	4.51%
Operating Margin (TTM)	13.95%	8.63%
Gross Margin (TTM)	26.32%	15.76%

Growth

Revenue Growth

Quanta Services (PWR) at 20.31% sits in the top revenue growth quartile, while Cummins (CMI) at -1.27% is in the bottom quartile, showing a clear gap in revenue momentum.

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their Revenue Growth across different time periods.

EPS Growth

Quanta Services (PWR) at 12.77% is around its peer norm for EPS growth, while Cummins (CMI) at -27.74% drops into the bottom quartile, signaling weaker earnings momentum.

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Cummins (CMI) and Quanta Services (PWR)
Metric	CMI	PWR
Revenue Growth (YoY)	-1.27%	20.31%
Revenue Growth (3Y CAGR)	6.25%	18.60%
EPS Growth (YoY)	-27.74%	12.77%
EPS Growth (3Y CAGR)	10.68%	27.00%

Financial Strength

Current Ratio (MRQ)

Cummins (CMI) at 1.74 keeps current ratio within its industry’s typical mid-range, while Quanta Services (PWR) at 1.16 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for PWR.

CMI

Capital Goods industry group

1.74

Max: 5.22
Q3: 2.95
Median: 2.08
CMI: 1.74
Q1: 1.43
Min: 0.36

PWR

Capital Goods industry group

1.16

Max: 5.22
Q3: 2.95
Median: 2.08
Q1: 1.43
PWR: 1.16
Min: 0.36

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their current ratio against the Capital Goods industry group benchmark.

Debt / Equity (MRQ)

Both Cummins (CMI) at 0.52 and Quanta Services (PWR) at 0.71 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

CMI

Capital Goods industry group

0.52

Max: 2.33
Q3: 1.12
Median: 0.60
CMI: 0.52
Q1: 0.29
Min: 0.00

PWR

Capital Goods industry group

0.71

Max: 2.33
Q3: 1.12
PWR: 0.71
Median: 0.60
Q1: 0.29
Min: 0.00

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their debt-to-equity ratio against the Capital Goods industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Cummins (CMI) and Quanta Services (PWR)
Metric	CMI	PWR
Current Ratio (MRQ)	1.74	1.16
Debt / Equity (MRQ)	0.52	0.71
Net Debt / EBITDA	0.62	1.43

Dividends

Dividend Yield (TTM)

Cummins (CMI) at 1.83% delivers top-quartile income for its industry, while Quanta Services (PWR) at 0.09% pays a more typical yield — both are credible income propositions, CMI the richer one.

CMI

Capital Goods industry group

1.83%

Max: 2.66%
CMI: 1.83%
Q3: 1.14%
Median: 0.24%
Q1: 0.00%
Min: 0.00%

PWR

Capital Goods industry group

0.09%

Max: 2.66%
Q3: 1.14%
Median: 0.24%
PWR: 0.09%
Q1: 0.00%
Min: 0.00%

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their dividend yield against the Capital Goods industry group benchmark.

Dividend Payout Ratio (TTM)

Quanta Services (PWR) at 3.98% pays out a band-typical share of earnings, while Cummins (CMI) at 34.21% distributes more than its industry norm — less retained, thinner cover.

CMI

Capital Goods industry group

34.21%

Max: 67.39%
CMI: 34.21%
Q3: 28.02%
Median: 6.86%
Q1: 0.00%
Min: 0.00%

PWR

Capital Goods industry group

3.98%

Max: 67.39%
Q3: 28.02%
Median: 6.86%
PWR: 3.98%
Q1: 0.00%
Min: 0.00%

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their payout ratio against the Capital Goods industry group benchmark.

Dividend Metrics

Dividend metrics for Cummins (CMI) and Quanta Services (PWR)
Metric	CMI	PWR
Dividend Yield (TTM)	1.83%	0.09%
Dividend Payout Ratio (TTM)	34.21%	3.98%

Valuation

P/E Ratio (TTM)

Cummins (CMI) at 18.78 sits in the cheaper P/E ratio quartile, while Quanta Services (PWR) at 48.95 sits in the richer quartile — a clear split in what investors pay for each dollar of trailing earnings.

CMI

Capital Goods industry group

18.78

Max: 59.38
Q3: 35.92
Median: 25.41
Q1: 19.47
CMI: 18.78
Min: 3.03

PWR

Capital Goods industry group

48.95

Max: 59.38
PWR: 48.95
Q3: 35.92
Median: 25.41
Q1: 19.47
Min: 3.03

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their P/E ratio against the Capital Goods industry group benchmark.

P/S Ratio (TTM)

On P/S ratio, both Cummins (CMI) at 1.72 and Quanta Services (PWR) at 2.19 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

CMI

Capital Goods industry group

1.72

Max: 7.54
Q3: 3.76
Median: 2.15
CMI: 1.72
Q1: 1.03
Min: 0.03

PWR

Capital Goods industry group

2.19

Max: 7.54
Q3: 3.76
PWR: 2.19
Median: 2.15
Q1: 1.03
Min: 0.03

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their P/S ratio against the Capital Goods industry group benchmark.

P/B Ratio (MRQ)

Cummins (CMI) at 4.63 is valued about in line with its industry on P/B ratio, while Quanta Services (PWR) at 7.73 carries an above-peer premium to book — PWR is pricier on assets.

CMI

Capital Goods industry group

4.63

Max: 9.66
Q3: 5.00
CMI: 4.63
Median: 3.12
Q1: 1.81
Min: -1.08

PWR

Capital Goods industry group

7.73

Max: 9.66
PWR: 7.73
Q3: 5.00
Median: 3.12
Q1: 1.81
Min: -1.08

Cummins (CMI) vs. Quanta Services (PWR): A comparison of their P/B ratio against the Capital Goods industry group benchmark.

Valuation Metrics

Valuation metrics for Cummins (CMI) and Quanta Services (PWR)
Metric	CMI	PWR
P/E Ratio (TTM)	18.78	48.95
P/S Ratio (TTM)	1.72	2.19
P/B Ratio (MRQ)	4.63	7.73
Free Cash Flow Yield (TTM)	4.06%	3.78%