Keymark is a premier full-service aluminum extrusion company featuring in-house finishing capabilities, including anodizing, casting, extruding, extrusion die construction, painting, thermal barrier, thermal strut, and custom packaging. We manufacture custom and stock extrusions/profiles for the Automotive, Building & Construction (Curtain Wall, Commercial Windows, & Storefront), Consumer Durables, Distribution, Electrical, Machinery & Equipment, and Transportation markets.