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 5.9× larger than MasTec by market cap; MasTec trades at the lower P/E (35.5 vs 77.9); year to date, Quanta Services leads (+62.4% vs −0.3%).
Side by side
| MTZ | PWR | |
|---|---|---|
| Market cap | $17.5B | $103B |
| Price | $212.65 | $705.94 |
| Today | −1.9% | +3.0% |
| Return YTD | −0.3% | +62.4% |
| Return 1Y | −1.0% | +54.5% |
| Since June 26, 2026 | −46.3% | +2.6% |
| P/E | 35.5 | 77.9 |
| P/S | 1.1 | 3.1 |
| P/B | 5.0 | 10.7 |
Data as of 2026-10-09 · updates daily after U.S. close
Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.
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.