Columbia Aluminum has been dedicated to developing, manufacturing and distributing weather-strip/door components and floor covering products to the building industry.

Legacy Sealing Systems for Doors include gaskets, door bottoms, thresholds, saddles, sweeps and stiles.

Randalll Manufacturing has a varierty of door accessories: from door sweeps, thresholds and weather striping, to kick and push plates.

Strybuc offers a variety of door components including thresholds, door bottoms, and weatherstripping.

Worldwide Door Components Inc. specializes in the production of our New 4Ever Frame Door Jamb and ProT4 Aluminum Threshold as well as our complete product line of thresholds, door sweeps, watherstrips and aluminum T-astrageals.