MasTecvs.Quanta Services
MTZ vs PWR · both in Grid & electrification, part of the Energy, grid & critical infrastructure value chain: Cables, grid connection and infrastructure tying new capacity to demand.
Quanta Services is about 4.4× larger than MasTec by market cap; MasTec trades at the lower P/E (46.8 vs 76.8); year to date, Quanta Services leads (+46.1% vs +17.5%).
Side by side
| MTZ | PWR | |
|---|---|---|
| Market cap | $23.1B | $102B |
| Price | $246.85 | $603.78 |
| Today | −3.3% | −2.1% |
| Return YTD | +17.5% | +46.1% |
| Return 1Y | +44.3% | +62.4% |
| P/E | 46.8 | 76.8 |
| P/S | 1.4 | 3.1 |
| P/B | 6.7 | 10.6 |
Data as of 2026-08-26 · updates daily after U.S. close
The two companies
MasTecMTZ
Construction contractor working across US energy infrastructure: transmission, renewable plants, pipelines and communications networks.
Full MTZ profile →Quanta ServicesPWR
Quanta's crews build and upgrade the physical grid itself: transmission and distribution lines, plus the connections that tie new renewable plants into the system. A US specialty contractor whose workload tracks grid expansion directly.
Full PWR profile →More MTZ & PWR comparisons
Other head-to-heads in the Grid & electrification segment.