Who is the number one garage door manufacturer?

The number one garage door manufacturer in North America for residential doors is Clopay, which is largest residential garage door manufacturer producing over 1 million doors annually, while globally number one is Hörmann Group from Germany. Clopay Building Products, headquartered in Mason, Ohio, owned by Griffon Corporation, is considered number one in US residential market with estimated 30 to 40 percent market share, sold through Home Depot as primary retail partner, plus dealers and Costco, known for Intellicore polyurethane insulation R-18 and wide design range including Modern Steel and Avante. Clopay's manufacturing in Ohio plants with American steel and extensive dealer network makes it market leader. In Canada, number one Canadian manufacturer is Garaga, based in Quebec, largest Canadian-made brand. Globally, Hörmann Group from Germany is number one worldwide garage door manufacturer, with presence in Europe, North America, and Asia, making residential and commercial doors. Overhead Door Corporation, which owns Overhead Door and Wayne Dalton, is also among largest, especially for commercial. So who is number one garage door manufacturer depends on region, but in North America residential, Clopay is number one by volume and sales, globally Hörmann is number one by revenue, with Clopay considered top brand for homeowners seeking quality and selection in US and Canada.