PWR vs EME: Quanta Services vs EMCOR Stock Comparison: AI Score, Valuation, Performance and Upside
Quanta Services is the dominant electric utility infrastructure contractor benefiting from grid modernization and renewable energy, while EMCOR is a mechanical and electrical contractor benefiting from data center construction and building technology. Both are well-run specialty contractors with tailwinds from infrastructure spending and data center buildout.
PWR vs EME is electric utility grid infrastructure contractor versus building mechanical and electrical contractor — Quanta wins if grid modernization and EV/AI electrification drive sustained utility capex; EMCOR wins if data center and industrial construction backlog sustains strong project margins.
EME holds the edge across 3 of 5 key metrics in this comparison. PWR has delivered stronger 1-year price return (+46.98% vs +6.07%), though EME has the better forward P/E setup (19.98x vs 30.69x for PWR). On fundamentals, PWR is growing revenue faster (41.10%), while EME maintains the higher operating margin (10.62%) — a classic growth-versus-profitability split. Analyst consensus implies meaningfully more upside for EME (+40.73%) than for PWR (+27.77%).
Human Wall Street analysts' price targets, typically implying a ~12-month view — a separate signal from this site's own AI Prediction Signal further down the page, which is a 5-/30-day machine-learning forecast based on price history alone.
- want the dominant electric utility infrastructure contractor exposed to grid modernization and renewable interconnection
- value Quanta's position as the largest North American electric utility contractor with high barriers to competition
- believe AI data center power demand and EV electrification create multi-decade tailwinds for grid spending
- are comfortable with utility capex cycle dependence as a concentration risk
- prefer mechanical and electrical contracting diversified across healthcare, data centers, industrial, and commercial
- value EMCOR's strong operating margins and disciplined project execution track record
- believe data center construction is a durable multi-year backlog driver for EMCOR
- prefer a more diversified specialty contractor exposure vs Quanta's utility concentration
| Metric | PWR | EME |
|---|---|---|
| AI scorei | 79.6 | 64.5 |
| AI ranki | #9 | #70 |
| Latest closei | $642.21 | $732.53 |
| 1M returni | +4.71% | -0.41% |
| 3M returni | +1.77% | -2.33% |
| 6M returni | +9.33% | -7.54% |
| 1Y returni | +46.98% | +6.07% |
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | PWR | EME |
|---|---|---|
| 1Y ago | $14.68K (+46.8%) started 2025-10-16 | $10.66K (+6.6%) started 2025-10-16 |
| 5Y ago | $57.72K (+477.2%) started 2021-10-18 | $62.19K (+521.9%) started 2021-10-18 |
| 10Y ago | $241.41K (+2314.1%) started 2016-10-17 | $128.56K (+1185.6%) started 2016-10-17 |
Hypothetical — past performance does not guarantee future results.
| Metric | PWR | EME |
|---|---|---|
| Market capi | $90.61B | $32.39B |
| Trailing P/Ei | 68.96 | 22.85 |
| Forward P/Ei | 30.69 | 19.98 |
| Price/Salesi | 2.15 | N/A |
| EV/Revenuei | 2.94 | 1.72 |
| Analyst targeti | $770.04 | $1,033.29 |
| Target upsidei | +27.77% | +40.73% |
| Metric | PWR | EME |
|---|---|---|
| Revenue growthi | 41.10% | 19.80% |
| Earnings growthi | 94.70% | 34.80% |
| EPS growthi | +94.70% | +34.80% |
| FCF margini | +5.94% | +5.26% |
| Operating margini | 7.22% | 10.62% |
| Profit margini | 4.03% | 7.74% |
| ROIC proxyi | 15.34% | 40.35% |
| Return on equityi | 15.34% | 40.35% |
| Dividend yieldi | 0.07% | 0.22% |
| Payout ratioi | 4.93% | 4.05% |
| Dividend growth streaki | No increase yet | N/A |
| Betai | 1.22 | 1.15 |
| Debt/equityi | 67.78 | 13.43 |
| Current ratioi | 1.10 | 1.28 |
| Quick ratioi | 0.98 | 1.23 |
Over the past year, PWR and EME have moved strongly in the same direction (correlation of 0.78), based on daily returns.
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
| Period | Metric | PWR | EME |
|---|---|---|---|
| 1Y | Growthi | +46.78% | +6.59% |
| CAGRi | +46.89% | +6.61% | |
| Volatilityi | 44.59% | 45.63% | |
| Sharpe ratioi | 0.98 | 0.27 | |
| Sortino ratioi | 1.59 | 0.39 | |
| Max drawdowni | 28.54% | 28.74% | |
| Current drawdowni | 18.21% | 22.38% | |
| Avg drawdowni | 7.69% | 12.56% | |
| Ulcer Indexi | 10.62% | 14.56% | |
| Max daily dropi | 6.17% | 16.60% | |
| Max wkly dropi | 14.61% | 13.07% | |
| 5Y | Growthi | +473.58% | +521.89% |
| CAGRi | +41.87% | +44.20% | |
| Volatilityi | 37.12% | 35.28% | |
| Sharpe ratioi | 1.01 | 1.09 | |
| Sortino ratioi | 1.53 | 1.61 | |
| Max drawdowni | 33.89% | 36.19% | |
| Current drawdowni | 18.21% | 22.38% | |
| Avg drawdowni | 6.89% | 8.51% | |
| Ulcer Indexi | 9.98% | 11.54% | |
| Max daily dropi | 18.32% | 19.12% | |
| Max wkly dropi | 17.88% | 18.02% | |
| 10Y | Growthi | +2269.50% | +1185.59% |
| CAGRi | +37.25% | +29.11% | |
| Volatilityi | 34.58% | 34.05% | |
| Sharpe ratioi | 0.96 | 0.79 | |
| Sortino ratioi | 1.46 | 1.14 | |
| Max drawdowni | 45.53% | 48.05% | |
| Current drawdowni | 18.21% | 22.38% | |
| Avg drawdowni | 7.73% | 9.51% | |
| Ulcer Indexi | 10.60% | 12.92% | |
| Max daily dropi | 18.32% | 19.12% | |
| Max wkly dropi | 24.31% | 29.95% |
| Category | PWR | EME |
|---|---|---|
| Company | Quanta Services, Inc. | EMCOR Group, Inc. |
| Sector | Industrials | Industrials |
| Industry | Engineering & Construction | Engineering & Construction |
| Core business | Specialty contractor providing electric power infrastructure services (transmission, distribution, substations), gas utility services, underground utility locating, and renewable energy project construction. Quanta is the largest electric utility contractor in North America. | Specialty mechanical and electrical contractor providing HVAC, plumbing, fire protection, electrical, and building automation services for commercial, industrial, and institutional buildings across the US and UK. |
| Investor focus | Backlog growth from grid modernization and renewable energy projects, EBITDA margin, acquisition integration, and long-term power demand from AI data centers and electrification. | Revenue per project, operating margin, industrial and commercial construction backlog, and building technology integration services growth. |
- Quanta is the largest electric utility contractor in North America — a dominant position in a critical infrastructure services market
- Power grid modernization, reliability upgrades, and renewable interconnection provide decades of demand visibility
- AI data center power demand and EV electrification are new incremental drivers of Quanta's addressable market
- EMCOR's mechanical and electrical contracting serves a broad range of end markets (healthcare, data centers, industrial, commercial) providing revenue diversification
- Data center construction is a significant growth driver as hyperscalers and co-location providers build out AI infrastructure
- EMCOR's strong operating margins demonstrate pricing power and disciplined project execution
- Quanta's revenue is concentrated in the utility sector — regulatory and utility capex cycles affect contract timing
- Labor availability for specialized high-voltage electrical work can constrain growth in a tight market
- Acquisition integration risk as Quanta pursues M&A to expand capabilities
- Nonresidential construction cycles can soften in economic downturns, reducing EMCOR's project pipeline
- Competition from Comfort Systems, Limbach, and other specialty contractors in building mechanical and electrical services
- Labor cost inflation for skilled mechanical and electrical trades can compress project margins
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