1stDibs : Focuses on high-end, vetted architectural antiques.

: These businesses rescue materials from demolished or renovated buildings. They often have the most diverse inventory of "raw" salvaged windows. Olde Good Things (National/Multiple Locations) Black Dog Salvage (Roanoke, VA) Columbus Architectural Salvage (Columbus, OH) Peoria Architectural Salvage (Peoria, IL)

You can find these windows through several specialized channels:

: For a broader range of price points and sizes, digital platforms are effective.