MTZ vs STRL

MasTec, Inc. and Sterling Infrastructure, Inc., both Industrials

MasTec, Inc. is the larger company at $30B against $26B. On trailing earnings STRL is the cheaper of the two at a P/E of 35.9 against 39.7, a gap that is only a bargain if the two are growing at similar rates. Over the past year STRL returned +66% against +36% for MTZ. Ryufin's sector-relative Smart Score puts STRL ahead, 8/10 against 6/10.

MasTec, Inc. and Sterling Infrastructure, Inc.compared on valuation, return and Ryufin’s Smart Score
FigureMTZSTRL
Last close$249$498
Market cap$30B$26B
Trailing P/Elower is cheaper for the same earnings, not automatically better39.735.9
1-year return+36%+66%
5-year return+149%+2202%
Ryufin Smart Scoresector-relative, 1–106/108/10

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

MasTec, Inc.

Revenue of $4.4B in Q2 2026, net income $130M. Its largest reported line is Clean Energy And Infrastructure, 34% of the disclosed total.

Sterling Infrastructure, Inc.

Revenue of $1.2B in Q2 2026, net income $156M. Its largest reported line is Heavy Highway, 43% of the disclosed total.

Open these two in the interactive comparison to add more names, change the period or read the correlation.