US LBM Acquires XO Windows

January 20, 2026

US LBM, the largest privately owned distributor of specialty building materials in the U.S., has acquired XO Windows, a regional supplier and installer of windows and doors serving Phoenix, Tucson and Henderson (Las Vegas metro). The acquisition expands US LBM’s product depth and installation capabilities across its Arizona Building Supply and Desert Companies divisions to better serve residential and commercial builders in the Southwest and Northwest regions.

Buyers
US LBM
Targets
XO Windows
Location
Arizona, United States
Transaction Type
Buyout

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