wood windows

Ply Gem Windows

Ply Gem

www.plygemwindows.com

Cary, North Carolina

NUMBER OF EMPLOYEES:  4,300

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Kolbe Window & Doors

Kolbe & Kolbe Millwork Co., Inc.
www.kolbe-kolbe.com
Wausau, Wisconsin

NUMBER OF EMPLOYEES: 1100

 

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JELD-WEN Windows & Doors


JELD-WEN Windows & Doors
www.JELD-WEN.com
Klamath Falls, Oregon

NUMBER OF EMPLOYEES:
20,000

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