Key Takeaways Quanta delivered 20% revenue growth in 2025, with a record backlog of about $44B.MasTec posted 16% revenue growth and expects around 19% growth in 2026 with rising backlog.MTZ trades at a lower P/E than Quanta, with a stronger EPS growth outlook and momentum.The U.S. infrastructure space is entering a multi-year expansion cycle, driven by grid modernization, renewable energy investments, data center buildouts and rising electrification demand. Against this backdrop, Quanta Services, Inc. (PWR) ...