Comfort Systems USA (NYSE: FIX), EMCOR Group (NYSE: EME), and Sterling Infrastructure (NASDAQ: STRL) are benefiting from the physical build-out behind AI. Their expanding backlogs show how spending is flowing into electrical, cooling, and site work. I compare their growth, diversification, and execution risk to see which business is best positioned.

Stock prices used were the market prices of Sept. 19, 2026. The video was published on Sept. 19, 2026.

Rick Orford has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Comfort Systems USA, EMCOR Group, and Sterling Infrastructure. The Motley Fool has a disclosure policy. Rick Orford is an affiliate of The Motley Fool and may be compensated for promoting its services. If you choose to subscribe through their link, they will earn some extra money that supports their channel. Their opinions remain their own and are unaffected by The Motley Fool.

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