Sterling Infrastructure has transformed into an E-Infrastructure leader, capitalizing on AI-driven data center and semiconductor facility demand. In Q1 2026, STRL posted 92% YoY revenue growth to $825.7M, with E-Infrastructure contributing 60% of FY25 revenue and driving record backlogs. STRL trades at a significant premium (75.56x P/E TTM), justified by triple-digit E-Infrastructure growth, expanding backlogs, and a forward PEG of 1.35x.