Windows (Western States brand)

I've Viking windows in my house. One needs replacing after a miscreant threw a rock at it. It's a large window, about 6' x 6'. The frame is fine, just the sealed unit needs replacing (it's a dual pane insulated window).
I got some bids, one of them plans on using a Western States brand sealed unit. I've been unable to locate any information about them on, so far.
Does anyone know anything about this company? URL, etc?
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